Product Image

CoEnzyme B-Complex

KAL
4.8
★ ★ ★ ★ ★
(585 ratings)
Folate 400 mcg
Vitamin B6 20 mg
PABA 20 mg
Thiamin 20 mg
Niacin 40 mg
Vitamin B12 500 mcg
Vitamin B5 20 mg
Product Image
Score79
Best suited to energy, with the clearest benefits coming from the disclosed active ingredients. The label lists exact amounts, but some nutrients appear in both active and basic forms and the chewable adds carbohydrates.
How scoring works
Quantity:60 Tablet(s) • (30 servings)
Goals:
Energy
General Health
Mood Support
Brain Health
Heart Health
Metabolism Boost
Cardiovascular Support
Productivity Boost

Score 79

Best suited to energy, with the clearest benefits coming from the disclosed active ingredients. The label lists exact amounts, but some nutrients appear in both active and basic forms and the chewable adds carbohydrates.
How scoring works
$18.09($0.60 per serving)
iHerb
$ 18.09
Amazon
$ 18.09
Vitacost
$ 18.09
Report prices

Analysis

Active folate, riboflavin, B6, and methylcobalamin give the formula strong form quality, while the broad goal list extends beyond a B complex’s main strengths. Specific forms and amounts are clearly disclosed with no hidden blend, although non-active ingredients are absent.

The focused B-complex directly supports cellular metabolism and includes vitamin B12 at the preferred high-potency amount. B vitamins have established metabolic roles, although the formula is better suited to correcting nutritional gaps than producing stimulant-like energy. Vitamin B12 meets the preferred threshold and the remaining B vitamins are supplied in substantial amounts.

Biotin and B vitamins provide general nutrient support for keratin production, but the formula lacks structural proteins, iron, zinc, or a targeted follicle active. Evidence supports deficiency correction rather than improved hair growth from high-dose B vitamins in well-nourished users. Biotin is supplied only at a modest amount and no main structural or mineral pathway is meaningfully dosed.

Who is it for
  • People seeking energy support
  • People seeking general health support
  • People seeking mood support support
Best for
  • Energy
  • General Health
  • Mood Support

Pros

  • Active folate, riboflavin, B6, and methylcobalamin give the formula strong form quality, while the broad goal list extends beyond a B complex’s main strengths.
  • Specific forms and amounts are clearly disclosed with no hidden blend, although non-active ingredients are absent.
  • The focused B-complex directly supports cellular metabolism and includes vitamin B12 at the preferred high-potency amount.
  • B vitamins have established metabolic roles, although the formula is better suited to correcting nutritional gaps than producing stimulant-like energy.
  • Vitamin B12 meets the preferred threshold and the remaining B vitamins are supplied in substantial amounts.

Cons

  • The label lists exact amounts, but some nutrients appear in both active and basic forms and the chewable adds carbohydrates.
  • Half of the B12 uses cyanocobalamin, and the formula does not extend into stress-response or structural mood pathways.
  • The product lacks targeted memory, membrane, adaptogen, or neuroprotective ingredients, and choline is very low.
  • Benefits are most likely when intake is low because B vitamins do not directly raise resting metabolic rate.
  • Active B vitamins support cellular energy and may reduce fatigue when vitamin status is low.

Warnings

  • The vitamin B6 amount is substantial enough to avoid stacking with other high-dose B-complex products during long-term use.
  • The formula does not address lipids, vascular tone, or cardiac cellular energy.
  • The focused formula provides strong depth in one foundational pathway but no thyroid, glycemic, or thermogenic coverage.
  • Isomer-specific active methylfolate offers strong biological availability and avoids the folic-acid conversion pathway.

Nutrient quality

85 Highest impact

P-5-P, methylfolate, and methylcobalamin improve form quality, though cyanocobalamin is also used. Vitamin B6 and niacin are elevated but less aggressive than many high-dose B-complexes.

Ingredient transparency

84 Highest impact

Listed active amounts are clear without a hidden proprietary dose. Complete directions and inactive-ingredient details remain incomplete.

Customer satisfaction

72 High impact

The aggregate rating and its volume provide a favorable top-level signal. Missing experience details prevent assessment of repeated complaints or purpose-specific satisfaction.

Value for money

72 High impact

Useful active forms support reasonable value, while the chewable carriers add cost and little nutrition. Form quality and routine-use safety keep the value conclusion mixed.

Report analysis

Goals

Energy
Energy
Impact
Highest effect
A- Goal FitA- Strength of SupportC+ CoverageA- Formula Quality
Vitamin B5 · 20 mgRiboflavin · 20 mgThiamin · 20 mgVitamin B12 · 500 mcg

The focused B-complex directly supports cellular metabolism and includes vitamin B12 at the preferred high-potency amount. B vitamins have established metabolic roles, although the formula is better suited to correcting nutritional gaps than producing stimulant-like energy.

Vitamin B12 meets the preferred threshold and the remaining B vitamins are supplied in substantial amounts. Methylcobalamin, methylfolate, riboflavin 5-phosphate, and pyridoxal 5-phosphate strengthen the form profile despite some standard companion forms.

Study evidence
Riboflavin Mixed 6 studies
Vitamin B12 Disputed 14 studies
General Health
General Health
Impact
High effect
B Goal FitA- Strength of SupportC+ CoverageB Formula Quality
Folate · 400 mcgVitamin B12 · 500 mcg

A complete B-complex supports energy metabolism, nervous-system function, methylation, and blood-cell formation. Active folate, methylcobalamin, riboflavin phosphate, and pyridoxal phosphate improve the form profile, though the product remains narrower than comprehensive general-health support.

The label lists exact amounts, but some nutrients appear in both active and basic forms and the chewable adds carbohydrates. The vitamin B6 amount is substantial enough to avoid stacking with other high-dose B-complex products during long-term use.

Study evidence
Folate Supportive 80 studies
Vitamin B12 Adverse 66 studies
Mood Support
Mood Support
Impact
High effect
C+ Goal FitB+ Strength of SupportC+ CoverageA- Formula Quality
Folate · 400 mcgVitamin B6 · 20 mgVitamin B12 · 500 mcg

Active B6, methylfolate, and partly active B12 form a focused set of neurotransmitter and methylation cofactors. The B-complex has clear foundational mood relevance in a compact formula.

Amounts are generally useful and the forms are clearly disclosed. Half of the B12 uses cyanocobalamin, and the formula does not extend into stress-response or structural mood pathways.

Study evidence
Folate Supportive 84 studies
Vitamin B12 Supportive 29 studies
Vitamin B6 Supportive 19 studies
Brain Health
Brain Health
Impact
High effect
B Goal FitB+ Strength of SupportC+ CoverageB+ Formula Quality
Folate · 400 mcgVitamin B12 · 500 mcgVitamin B6 · 20 mgThiamin · 20 mg

Active B-vitamin forms support brain energy, methylation, myelin maintenance, and neurotransmitter synthesis. Methylfolate, methylcobalamin, riboflavin phosphate, and pyridoxal phosphate improve the formulation quality.

The product lacks targeted memory, membrane, adaptogen, or neuroprotective ingredients, and choline is very low. It suits foundational vitamin support rather than direct cognitive enhancement.

Study evidence
Folate Supportive 90 studies
Vitamin B12 Supportive 74 studies
Vitamin B6 Supportive 29 studies
Heart Health
Heart Health
Impact
High effect
C Goal FitB Strength of SupportC+ CoverageA- Formula Quality
Vitamin B12 · 500 mcgVitamin B6 · 20 mgFolate · 400 mcg

Methylfolate, active B6, B12, and riboflavin provide a focused homocysteine-metabolism pathway relevant to heart health. The formula does not address lipids, vascular tone, or cardiac cellular energy.

Methylfolate and active coenzyme forms are clearly identified at useful amounts. The blend is coherent and transparent, although its cardiovascular coverage remains narrow.

Study evidence
Folate Supportive 116 studies
Vitamin B12 No effect 42 studies
Vitamin B6 Supportive 44 studies
Metabolism Boost
Metabolic B-Vitamins
Metabolism Boost
Impact
High effect
C- Goal FitB Strength of SupportC CoverageA- Formula Quality
Biotin · 200 mcgNiacin · 40 mgVitamin B12 · 500 mcgRiboflavin · 20 mgThiamin · 20 mgVitamin B5 · 20 mgVitamin B6 · 20 mg

A broad B-complex supports the enzyme reactions that convert food into cellular energy. Benefits are most likely when intake is low because B vitamins do not directly raise resting metabolic rate.

Several coenzyme forms, including riboflavin 5-phosphate, P-5-P, and methylcobalamin, improve quality. The focused formula provides strong depth in one foundational pathway but no thyroid, glycemic, or thermogenic coverage.

Study evidence
Riboflavin Mixed 5 studies
Vitamin B12 Supportive 10 studies

Ingredients

IngredientAmount per serving
Calories
15 Calorie(s)
Total Carbohydrates
4 Gram(s)
Thiamine (Thiamine Mononitrate, Vitamin B1)
 20 mg
Riboflavin (Riboflavin 5-Phosphate)
 20 mg
Niacin (Inositol Hexanicotinate, Niacinamide)
 40 mg
Vitamin B-6 (Pyridoxal 5-Phosphate, Pyridoxine Hydrochloride)
 20 mg
Folate ((6S) 5-Methyltetrahydrofolate Glucosamine Salt)
 400 mcg
Vitamin B12 (Cyanocobalamin, Methylcobalamin)
 500 mcg
Biotin
200 mcg
Pantothenic Acid (Calcium Pantothenate)
 20 mg
Choline Bitartrate
20 mg
Inositol (Inositol Hexanicotinate)
 20 mg
PABA
20 mg
Adults 18–50 Vegetarian
Report overview
Folate ((6S) 5-Methyltetrahydrofolate Glucosamine Salt) · 400 mcg OverallScore92
A+ Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB+ Value

Isomer-specific active methylfolate offers strong biological availability and avoids the folic-acid conversion pathway. The amount falls within the preferred range, but the label omits a full DFE source breakdown. Vitamin B12 is included at a meaningful amount, while serving value is good.

View ingredientView products
Vitamin B6 (Pyridoxal 5-Phosphate, Pyridoxine Hydrochloride) · 20 mg OverallScore82
B Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value

The B6 blend combines active pyridoxal 5-phosphate with pyridoxine hydrochloride. The 20 mg serving falls within the preferred potency range. The two-chewable serving is practical, though value is only moderate for a B-complex.

View ingredientView products
PABA · 20 mg OverallScore72
A Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyD- Value

PABA is clearly listed at 20 mg, but the amount is too small for robust standalone support. Immediate release is acceptable at this nutritional dose, and the separate line item makes the amount easy to verify. Cost efficiency is weak because the serving delivers little PABA for its cost.

View ingredientView products
Loading alternative details
85 Performance

BioCoenzymated Active B Complex

Natural Factors
<p>Active thiamine, riboflavin, vitamin B6, folate, and vitamin B12 provide a more refined B-complex than the original's mixed active and conventional forms plus added carbohydrate. The still-potent formula uses a more moderate vitamin B6 amount than many high-dose competitors.</p>
82 Performance

Coenzyme B-Complex Caps

Country Life
<p>Multiple coenzyme B-vitamin forms provide stronger form quality and clearer metabolic support than the original's mixed active and conventional forms plus added carbohydrate. Vitamin B6 remains elevated and choline is modest, but the active-form profile is coherent.</p>
81 Performance

B-Complex #12

Thorne
<p>Methylcobalamin anchors a focused one-capsule B-complex with substantial energy-metabolism coverage. Several forms remain unspecified and vitamin B6 and niacin still warrant attention, but the formula is less cluttered than the original's mixed active and conventional forms plus added carbohydrate.</p>
67 Budget

B 100 Complex

Spring Valley
<p>A broad set of B vitamins provides similar metabolic coverage at much lower recurring cost. Missing forms and excessive vitamin B6 remain important drawbacks, but the simple tablet is an economical alternative to the original's mixed active and conventional forms plus added carbohydrate.</p>
74 Budget

B-Complex 50

Solaray
<p>A very large supply covers the core B vitamins at substantially better value. Basic forms and high vitamin B6 still limit routine use, yet the dose is less extreme than many B-100 formulas and avoids the original's mixed active and conventional forms plus added carbohydrate.</p>
75 Budget

B-50 Complex 50 mg

Source Naturals
<p>Full B-complex coverage supports normal energy metabolism at a much lower serving cost. Folic acid and high vitamin B6 are limitations, but the formula is more economical and straightforward than the original's mixed active and conventional forms plus added carbohydrate.</p>
78 Value

B-Complex

Paradise Earth's Blend
<p>Active thiamin, riboflavin, vitamin B6, folate, and vitamin B12 provide stronger form quality at better value than the original's mixed active and conventional forms plus added carbohydrate. Vitamin B6 is still high and tiny greens and probiotic blends add little, but the main B-vitamin panel is well designed.</p>
77 Value

B-Complex '100'

Solgar
<p>Broad high-potency B-vitamin coverage comes at a very low recurring cost. Conventional forms and chronic-use concern around vitamin B6 remain, so the value advantage over the original's mixed active and conventional forms plus added carbohydrate is mainly economic rather than a safety upgrade.</p>
81 Value

B-100 Complex with B2 Coenzyme

Nature's Way
<p>Active riboflavin and partial P-5-P improve the form profile while keeping serving value strong. The total vitamin B6 amount is still too aggressive for prolonged daily use, but the coenzyme additions offer more quality than the original's mixed active and conventional forms plus added carbohydrate.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Cobalamin deficiency: clinical picture and radiological findings.
    Briani C; Dalla Torre C; Citton V; Manara R; Pompanin S; Binotto G; Adami F · Nutrients · 2014
    Narrative reviewEnergy forVitamin B12
  2. Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression.
    Markun S; Gravestock I; Jäger L; Rosemann T; Pichierri G; Burgstaller JM · Nutrients · 2021
    Meta-analysis6,276 participants16 studies pooledEnergy forVitamin B12
  3. Association between serum vitamin B12 level and frailty in older adults.
    Dokuzlar O; Soysal P; Isik AT · Northern clinics of Istanbul · 2022
    Cross-sectional study335 participantsEnergy forVitamin B12
  4. Effect of Choline Supplementation on Neurological, Cognitive, and Behavioral Outcomes in Offspring Arising from Alcohol Exposure During Development: A Quantitative Systematic Review of Clinical and Preclinical Studies.
    Akison LK; Kuo J; Reid N; Boyd RN; Moritz KM · Alcoholism, clinical and experimental research · 2019
    Systematic reviewMental Focus forCholine
  5. Cytidinediphosphocholine (CDP choline) for cognitive and behavioural disturbances associated with chronic cerebral disorders in the elderly.
    Fioravanti M; Yanagi M · The Cochrane database of systematic reviews · 2004
    Meta-analysisMental Focus forCholine
  6. Associations between maternal folate status and choline intake during pregnancy and neurodevelopment at 3-4 years of age in the Alberta Pregnancy Outcomes and Nutrition (APrON) study.
    Irvine N; England-Mason G; Field CJ; Letourneau N; Bell RC; Giesbrecht GF; Kinniburgh DW; MacDonald AM; Martin JW; Dewey D; APrON Study Team · Journal of developmental origins of health and disease · 2023
    Cohort study309 participantsMental Focus forCholine
  7. Association of dietary choline intake with incidence of dementia, Alzheimer disease, and mild cognitive impairment: a large population-based prospective cohort study.
    Niu YY; Yan HY; Zhong JF; Diao ZQ; Li J; Li CP; Chen LH; Huang WQ; Xu M; Xu ZT; Liang XF; Li ZH; Liu D · The American journal of clinical nutrition · 2025
    Cohort study125,594 participantsCognitive Support forCholine
  8. Choline During Pregnancy and Child Neurodevelopment: A Systematic Review of Randomized Controlled Trials and Observational Studies.
    Gould JF; Hines S; Best KP; Grzeskowiak LE; Jansen O; Green TJ · Nutrients · 2025
    Systematic review9 studies pooledCognitive Support forCholine
  9. Gut microbiota-mediated choline metabolism exacerbates cognitive impairment induced by chronic cerebral hypoperfusion.
    Li X; Ren Y; Gao X; Wang H; Zhang J; Xie J; Liang J; Zhao B; Zhou H; Yin J · Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2025
    Cross-sectional studyCognitive Support forCholine
  10. First Revision of the Guidelines for the Diagnosis and Management of Remethylation Disorders.
    Olivieri G; Bordugo A; Burnyte B; Costetti A; Couce ML; Diogo L; Feillet F; Froese DS; Greco B; Gueant JL; Hannibal L; Hörster F; Kožich V; La Marca G; Manoli I; Mochel F; Orazi L; Pérez B; Schiff M; Schwahn BC; Schwartz I; Stepien KM; Sykut-Cegielska J; Tangeraas T; Zetterström RH; Dionisi-Vici C; Huemer M · Journal of inherited metabolic disease · 2026
    Guideline / consensusMetabolism Boost forVitamin B12
  11. Cross-Sectional Study of the Prevalence of Cobalamin Deficiency and Vitamin B12 Supplementation Habits among Vegetarian and Vegan Children in the Czech Republic.
    Světnička M; Sigal A; Selinger E; Heniková M; El-Lababidi E; Gojda J · Nutrients · 2022
    Cross-sectional study200 participantsMetabolism Boost forVitamin B12
  12. Vitamin B12 and Folate Concentrations in Recent-onset Type 2 Diabetes and the Effect of Metformin Treatment.
    Kanti G; Anadol-Schmitz E; Bobrov P; Strassburger K; Kahl S; Zaharia OP; Sarabhai T; Karusheva Y; Burkart V; Markgraf DF; Trenkamp S; Ziegler D; Szendroedi J; Roden M; GDS Group · The Journal of clinical endocrinology and metabolism · 2021
    Cross-sectional study249 participantsMetabolism Boost forVitamin B12
  13. B vitamins and prevention of cognitive decline and incident dementia: a systematic review and meta-analysis.
    Wang Z; Zhu W; Xing Y; Jia J; Tang Y · Nutrition reviews · 2022
    Meta-analysis46,175 participants95 studies pooledBrain Health Cognitive Support forFolate
  14. Folate and long-chain polyunsaturated fatty acid supplementation during pregnancy has long-term effects on the attention system of 8.5-y-old offspring: a randomized controlled trial.
    Catena A; Muñoz-Machicao JA; Torres-Espínola FJ; Martínez-Zaldívar C; Diaz-Piedra C; Gil A; Haile G; Györei E; Molloy AM; Decsi T; Koletzko B; Campoy C · The American journal of clinical nutrition · 2016
    Randomized trial136 participantsBrain Health Mental Focus forFolate
  15. Folic acid supplementation improves cognitive function in participants with cerebral small vascular disease-related cognitive impairment: a randomized controlled trial.
    Liu Y; Yu Z; Cai Z; Zhao L; Wang Y; Guo Y; Su X; Miao Y; Yi B; Wang Y; Zhang X · The journal of prevention of Alzheimer's disease · 2025
    Randomized trial220 participantsBrain Health forFolate
  16. Circulating folate concentrations and the risk of mild cognitive impairment: A prospective study on the older Chinese population without folic acid fortification.
    Fu J; Liu Q; Zhu Y; Sun C; Duan H; Huang L; Zhou D; Wang Z; Zhao J; Li Z; Ma F; Li W; Liu H; Zhang X; Chen Y; Wang G; Du Y; Huang G · European journal of neurology · 2022
    Cohort study3,974 participantsBrain Health forFolate
  17. Normal-But-Low Serum Folate Levels and the Risks for Cognitive Impairment.
    Jang S; Han JW; Shin J; Kim TH; Kwak KP; Kim K; Kim BJ; Kim SG; Kim JL; Kim TH; Moon SW; Park JY; Park JH; Byun S; Suh SW; Seo J; So Y; Ryu SH; Youn JC; Lee KH; Lee DY; Lee DW; Lee SB; Lee JJ; Lee JR; Jeong H; Jeong HG; Jhoo JH; Han K; Hong JW; Kim KW · Psychiatry investigation · 2020
    Cohort study3,910 participantsBrain Health forFolate
  18. Relationship between vitamin B12 levels and motor development: A systematic review.
    Dos Santos MERA; da Silva KG; da Silva Souza AP; da Silva ABJ; da Silva RF; da Silva EHA; de Souza SL; Barros WMA · Clinical nutrition ESPEN · 2024
    Systematic review1,559 participants8 studies pooledBrain Health forVitamin B12
  19. Vitamin B12 supplementation improves cognitive function in middle aged and elderly patients with cognitive impairment.
    Zhou L; Bai X; Huang J; Tan Y; Yang Q · Nutricion hospitalaria · 2023
    Randomized trial115 participantsBrain Health Cognitive Support Mental Focus forVitamin B12
  20. Structural and Functional Brain Changes Associated with Vitamin B12 Deficiency using Magnetic Resonance Imaging: A Systematic Review and Meta-analysis.
    Alghamdi A · Current medical imaging · 2023
    Meta-analysis12 studies pooledBrain Health forVitamin B12
  21. Maternal vitamin B12, vitamin D, and folic acid status during pregnancy and child neurodevelopment: a systematic review.
    Franco L; de Andrade CVF; Margini LV; Sousa N · Frontiers in neuroscience · 2026
    Systematic review22 studies pooledBrain Health forVitamin B12
  22. Higher vitamin B12 from mid- to late life is related to slower rates of cognitive decline.
    Marino FR; Rogers G; Miller JW; Selhub J; Mez J; Crane PK; Mukherjee S; Saykin AJ; Hohman TJ; Trittschuh EH; Au R; Jacques PF; Hwang PH · Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Cohort study1,994 participantsBrain Health forVitamin B12
  23. Vitamin B12, B6, or Folate and Cognitive Function in Community-Dwelling Older Adults: A Systematic Review and Meta-Analysis.
    Zhang C; Luo J; Yuan C; Ding D · Journal of Alzheimer's disease : JAD · 2021
    Meta-analysis21 studies pooledBrain Health forVitamin B6
  24. Relationship between serum pyridoxal 5'-phosphate concentration and cognitive function in older Japanese.
    Itoh K; Kuwabara A; Otsuka R; Sugimoto T; Sakurai T; Niida S; Ao M; Tanaka K; Takenaka S; Kanouchi H · Journal of clinical biochemistry and nutrition · 2025
    Cross-sectional study266 participantsBrain Health forVitamin B6
  25. A randomized, controlled trial to evaluate the efficacy of pyridoxine and ascorbic acid on cognitive function and quality of life in post-menopausal women.
    Dhivya K; Sarumathy S; Manigandan G · Naunyn-Schmiedeberg's archives of pharmacology · 2025
    Randomized trial180 participantsBrain Health forVitamin B6
  26. Lower Plasma Vitamin B-6 is Associated with 2-Year Cognitive Decline in the Boston Puerto Rican Health Study.
    Palacios N; Scott T; Sahasrabudhe N; Gao X; Tucker KL · The Journal of nutrition · 2020
    Cohort study949 participantsBrain Health Cognitive Support forVitamin B6
  27. Are Dietary Supplements and Nutraceuticals Effective for Musculoskeletal Health and Cognitive Function? A Scoping Review.
    Iolascon G; Gimigliano R; Bianco M; De Sire A; Moretti A; Giusti A; Malavolta N; Migliaccio S; Migliore A; Napoli N; Piscitelli P; Resmini G; Tarantino U; Gimigliano F · The journal of nutrition, health & aging · 2017
    Scoping review12 studies pooledBrain Health forVitamin B6
  28. Associations of dietary folate, vitamin B6 and B12 intake with cardiovascular outcomes in 115664 participants: a large UK population-based cohort.
    Zhang B; Dong H; Xu Y; Xu D; Sun H; Han L · European journal of clinical nutrition · 2023
    Cohort study115,664 participantsCardiovascular Support forFolate
  29. Folate, Homocysteine, and Adverse Outcomes After Ischemic Stroke.
    Shi M; Zheng J; Liu Y; Mao X; Wu X; Chu M; Niu H; Sun L; Chang X; He Y; Liu Y; Guo D; Zhang Y; Zhu Z; Zhao J · Journal of the American Heart Association · 2024
    Cohort study3,530 participantsCardiovascular Support forFolate
  30. Effect of folic acid on endothelial function following acute myocardial infarction.
    Moens AL; Claeys MJ; Wuyts FL; Goovaerts I; Van Hertbruggen E; Wendelen LC; Van Hoof VO; Vrints CJ · The American journal of cardiology · 2007
    Randomized trial40 participantsCardiovascular Support forFolate
  31. Folic acid enhances endothelial function and reduces blood pressure in smokers: a randomized controlled trial.
    Mangoni AA; Sherwood RA; Swift CG; Jackson SH · Journal of internal medicine · 2003
    Randomized trial24 participantsCardiovascular Support forFolate
  32. 5-methyltetrahydrofolate, the active form of folic acid, restores endothelial function in familial hypercholesterolemia.
    Verhaar MC; Wever RM; Kastelein JJ; van Dam T; Koomans HA; Rabelink TJ · Circulation · 1998
    Non-randomized trial20 participantsCardiovascular Support forFolate
  33. Vitamin B12 Status and Cardiovascular Risk: Novel Insights from NMR-Based Lipoprotein Profiling in 20,665 Adults.
    Eken Y; Tekin N; Şahin F; Tay İ; Yıldırım Saral N; Serteser M; Baykal AT · Journal of clinical medicine · 2026
    Cross-sectional study20,665 participantsCardiovascular Support Heart Health forVitamin B12
  34. Pregnancy Metal Mixtures and Blood Pressure and Hypertension in Mid-Life: A Prospective U.S. Cohort Study.
    Zhang M; Aris IM; Cardenas A; Rifas-Shiman SL; Lin PD; Ngo LH; Oken E; Hivert MF; Juraschek SP · Hypertension (Dallas, Tex. : 1979) · 2025
    Cohort study493 participantsCardiovascular Support forVitamin B12
  35. Vitamin B12 Deficiency, Hyperhomocysteinemia, and Diabetes as Metabolic Determinants of Cardiovascular Risk in Mexican Women.
    Ramirez-Villalobos MD; Monterrubio-Flores E; Marquez-Murillo M; Alcalde-Rabanal J; Shamah-Levy T; Perichart-Perera O; Macias-Morales N; Campos-Nonato I · Nutrients · 2025
    Cross-sectional study1,197 participantsCardiovascular Support forVitamin B12
  36. Impact of serum vitamin (Vitamin D, Vitamin B12) and trace element (Fe, Zn, Cu) levels on major adverse cardiovascular events and poor prognosis in STEMI patients undergoing primary PCI.
    Wang C; Liu D; Tang M; Liu J; Ma Y · Journal of clinical biochemistry and nutrition · 2026
    Cohort study202 participantsCardiovascular Support forVitamin B12
  37. Vasoplegic syndrome after cardiovascular surgery: A review of pathophysiology and outcome-oriented therapeutic management.
    Datt V; Wadhhwa R; Sharma V; Virmani S; Minhas HS; Malik S · Journal of cardiac surgery · 2021
    Systematic reviewCardiovascular Support forVitamin B12
  38. Association between serum pyridoxal 5'-phosphate levels and all-cause, cardiovascular mortality, and cardiovascular disease in adults: a population-based cohort study.
    Xuan C; Liu RH; Zhao C; Li J; Zhou TT; Tian QW; He GW · Therapeutic advances in chronic disease · 2024
    Cohort studyCardiovascular Support forVitamin B6
  39. Folate and vitamin B6 rapidly normalize endothelial dysfunction in children with type 1 diabetes mellitus.
    MacKenzie KE; Wiltshire EJ; Gent R; Hirte C; Piotto L; Couper JJ · Pediatrics · 2006
    Randomized trial124 participantsCardiovascular Support forVitamin B6
  40. Pyridoxine improves endothelial function in cardiac transplant recipients.
    Miner SE; Cole DE; Evrovski J; Forrest Q; Hutchison S; Holmes K; Ross HJ · The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation · 2001
    Randomized trial31 participantsCardiovascular Support forVitamin B6
  41. Folate and vitamin B6 from diet and supplements in relation to risk of coronary heart disease among women.
    Rimm EB; Willett WC; Hu FB; Sampson L; Colditz GA; Manson JE; Hennekens C; Stampfer MJ · JAMA · 1998
    Cohort study80,082 participantsCardiovascular Support Heart Health forVitamin B6
  42. Efficacy and safety of pyridoxal 5'-phosphate (MC-1) in high-risk patients undergoing coronary artery bypass graft surgery: the MEND-CABG II randomized clinical trial.
    MEND-CABG II Investigators; Alexander JH; Emery RW; Carrier M; Ellis SJ; Mehta RH; Hasselblad V; Menasche P; Khalil A; Cote R; Bennett-Guerrero E; Mack MJ; Schuler G; Harrington RA; Tardif JC · JAMA · 2008
    Randomized trial3,023 participantsCardiovascular Support forVitamin B6
  43. Cognitive improvement in mild to moderate Alzheimer's dementia after treatment with the acetylcholine precursor choline alfoscerate: a multicenter, double-blind, randomized, placebo-controlled trial.
    De Jesus Moreno Moreno M · Clinical therapeutics · 2003
    Randomized trial261 participantsCognitive Support forCholine
  44. Choline intake during pregnancy and child cognition at age 7 years.
    Boeke CE; Gillman MW; Hughes MD; Rifas-Shiman SL; Villamor E; Oken E · American journal of epidemiology · 2013
    Cohort study895 participantsCognitive Support forCholine
  45. Effects of choline alfoscerate on cognitive function and quality of life in type 2 diabetes: A double-blind, randomized, placebo-controlled trial.
    Sohn M; Park YH; Lim S · Diabetes, obesity & metabolism · 2025
    Randomized trial36 participantsCognitive Support forCholine
  46. Maternal choline supplementation mitigates alcohol exposure effects on neonatal brain volumes.
    Warton FL; Molteno CD; Warton CMR; Wintermark P; Lindinger NM; Dodge NC; Zöllei L; van der Kouwe AJW; Carter RC; Jacobson JL; Jacobson SW; Meintjes EM · Alcoholism, clinical and experimental research · 2022
    Randomized trial52 participantsCognitive Support forCholine
  47. Effects of 6-Month Folic Acid Supplementation on Cognitive Function and Blood Biomarkers in Mild Cognitive Impairment: A Randomized Controlled Trial in China.
    Ma F; Wu T; Zhao J; Han F; Marseglia A; Liu H; Huang G · The journals of gerontology. Series A, Biological sciences and medical sciences · 2017
    Randomized trial180 participantsCognitive Support forFolate
  48. Serum folate and B12 levels in association with cognitive impairment among seniors: results from the VELESTINO study in Greece and meta-analysis.
    Michelakos T; Kousoulis AA; Katsiardanis K; Dessypris N; Anastasiou A; Katsiardani KP; Kanavidis P; Stefanadis C; Papadopoulos FC; Petridou ET · Journal of aging and health · 2013
    Meta-analysis8,122 participants9 studies pooledCognitive Support forFolate
  49. Homocysteine and folate as risk factors for dementia and Alzheimer disease.
    Ravaglia G; Forti P; Maioli F; Martelli M; Servadei L; Brunetti N; Porcellini E; Licastro F · The American journal of clinical nutrition · 2005
    Cohort study816 participantsCognitive Support forFolate
  50. Folate mediates cognitive impairment of aged people with periodontitis.
    Liu F; Liu Y; Feng Y; Zhao J; Wang M; Ye M; Zhang Y; Gan X; Pan Q; Shen J · Nutritional neuroscience · 2025
    Cross-sectional study1,966 participantsCognitive Support forFolate
  51. Maternal Vitamin B12 Status During Pregnancy and Its Association With Outcomes of Pregnancy and Health of the Offspring: A Systematic Review and Implications for Policy in India.
    Behere RV; Deshmukh AS; Otiv S; Gupte MD; Yajnik CS · Frontiers in endocrinology · 2021
    Systematic review46 studies pooledCognitive Support forVitamin B12
  52. Effect of Maternal Vitamin B12 Supplementation on Cognitive Outcomes in South Indian Children: A Randomized Controlled Clinical Trial.
    Thomas S; Thomas T; Bosch RJ; Ramthal A; Bellinger DC; Kurpad AV; Duggan CP; Srinivasan K · Maternal and child health journal · 2019
    Randomized trial218 participantsCognitive Support forVitamin B12
  53. Effects of Folic Acid and Vitamin B12, Alone and in Combination on Cognitive Function and Inflammatory Factors in the Elderly with Mild Cognitive Impairment: A Single-blind Experimental Design.
    Ma F; Zhou X; Li Q; Zhao J; Song A; An P; Du Y; Xu W; Huang G · Current Alzheimer research · 2020
    Randomized trial240 participantsCognitive Support Productivity Boost forVitamin B12
  54. Prenatal vitamin B12 status and cognitive functioning in children at 4 years of age: The ECLIPSES Study.
    Cruz-Rodríguez J; Canals-Sans J; Hernández-Martínez C; Voltas-Moreso N; Arija V · Maternal & child nutrition · 2023
    Cohort study249 participantsCognitive Support Productivity Boost forVitamin B12
  55. Safety and Efficacy of High-Dose Vitamin B6 as an Adjunctive Treatment for Antipsychotic-Induced Hyperprolactinemia in Male Patients With Treatment-Resistant Schizophrenia.
    Zhuo C; Xu Y; Wang H; Fang T; Chen J; Zhou C; Li Q; Liu J; Xu S; Yao C; Yang W; Yang A; Li B; Chen Y; Tian H; Lin C · Frontiers in psychiatry · 2021
    Randomized trial200 participantsCognitive Support forVitamin B6
  56. Associations between dietary B vitamin intakes and cognitive function among elderly individuals: An observational study.
    Chen Q; Huang J; Shi X; Peng Y; Chen A; Huang L; Zhang Y; Chen X · Nutrition (Burbank, Los Angeles County, Calif.) · 2025
    Cross-sectional study2,716 participantsCognitive Support forVitamin B6
  57. Lower water-soluble vitamins and higher homocysteine are associated with neurodegenerative diseases.
    Zhang C; Hu Y; Cao X; Deng Y; Wang Y; Guan M; Wu X; Jiang H · Scientific reports · 2025
    Cohort study926 participantsCognitive Support forVitamin B6
  58. Associations of one-carbon metabolism, related B-vitamins and ApoE genotype with cognitive function in older adults: identification of a novel gene-nutrient interaction.
    Gordon S; Hoey L; McNulty H; Keenan J; Pangilinan F; Brody LC; Ward M; Strain JJ; McAnena L; McCann A; Molloy AM; Cunningham C; McCarroll K; Hughes CF · BMC medicine · 2025
    Observational study4,553 participantsCognitive Support forVitamin B6 Mental Focus forVitamin B12
  59. Physicochemical properties of and volatile compounds in riboflavin fortified cloudy apple juice; study of its effect on job fatigue among Egyptian construction workers.
    Fouad S; Ibrahim GE; Hussein AMS; Ibrahim FA; El Gendy A · Heliyon · 2021
    Non-randomized trialEnergy forRiboflavin
  60. Vitamin B status in patients with chronic fatigue syndrome.
    Heap LC; Peters TJ; Wessely S · Journal of the Royal Society of Medicine · 1999
    Case-control study30 participantsEnergy forRiboflavin
  61. B-vitamins, related vitamers, and metabolites in patients with quiescent inflammatory bowel disease and chronic fatigue treated with high dose oral thiamine.
    Bager P; Hvas CL; Hansen MM; Ueland P; Dahlerup JF · Molecular medicine (Cambridge, Mass.) · 2023
    Observational studyEnergy forRiboflavin
  62. Metabolic features of chronic fatigue syndrome.
    Naviaux RK; Naviaux JC; Li K; Bright AT; Alaynick WA; Wang L; Baxter A; Nathan N; Anderson W; Gordon E · Proceedings of the National Academy of Sciences of the United States of America · 2024
    Case-control study84 participantsEnergy forRiboflavin
  63. Effectiveness of Riboflavin in Inherited Metabolic Diseases: A Systematic Review
    Bregje Jaeger, Nina N Stolwijk, Femke Aaldering, Charlotte A Ruys, Marije Smits, Nicole I Wolf, Carla E M Hollak, Annet M Bosch · Journal of Inherited Metabolic Disease · 2026
    Systematic review381 studies pooledEnergy Metabolism Boost forRiboflavin
  64. A new perspective on vitamin B12 deficiency in rheumatology: a case-based review.
    Dułak NA; Rytlewska M; Jaskólska M; Chmielewski M · Rheumatology international · 2024
    Case series3 participantsEnergy forVitamin B12
  65. Patients' experiences with methylcobalamin injections in amyotrophic lateral sclerosis.
    Zubair AS; Saab L; Scharer K; Khokhar B · Brain circulation · 2024
    Qualitative study5 participantsEnergy forVitamin B12
  66. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  67. Intakes of Folate, Vitamin B6, and Vitamin B12 in Relation to All-Cause and Cause-Specific Mortality: A National Population-Based Cohort.
    Bo Y; Xu H; Zhang H; Zhang J; Wan Z; Zhao X; Yu Z · Nutrients · 2022
    Cohort study55,569 participantsGeneral Health forFolate
  68. The responsiveness of plasma homocysteine to small increases in dietary folic acid: a primary care study.
    Schorah CJ; Devitt H; Lucock M; Dowell AC · European journal of clinical nutrition · 1998
    Randomized trial119 participantsGeneral Health forFolate
  69. Associations of Serum Folate and Homocysteine Concentrations with All-Cause, Cardiovascular Disease, and Cancer Mortality in Men and Women in Korea: the Cardiovascular Disease Association Study.
    Song S; Song BM; Park HY · The Journal of nutrition · 2023
    Cohort study21,260 participantsGeneral Health forFolate
  70. The concept of folic acid supplementation and its role in prevention of neural tube defect among pregnant women: PRISMA.
    Seyoum Tola F · Medicine · 2024
    Systematic reviewGeneral Health forFolate
  71. Systematic review of adverse health outcomes associated with high serum or red blood cell folate concentrations.
    Colapinto CK; O'Connor DL; Sampson M; Williams B; Tremblay MS · Journal of public health (Oxford, England) · 2017
    Systematic review71,847 participants46 studies pooledGeneral Health forFolate
  72. Oral Vitamin B12 versus Placebo for the Prevention of Chemotherapy-Induced Peripheral Neuropathy in Gynecological Cancer Patients: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Insin P; Chaiwongsa T; Prueksaritanond N · Asian Pacific journal of cancer prevention : APJCP · 2026
    Randomized trial40 participantsGeneral Health forVitamin B12
  73. Vitamin B12 Supplementation in Diabetic Neuropathy: A 1-Year, Randomized, Double-Blind, Placebo-Controlled Trial.
    Didangelos T; Karlafti E; Kotzakioulafi E; Margariti E; Giannoulaki P; Batanis G; Tesfaye S; Kantartzis K · Nutrients · 2021
    Randomized trial90 participantsGeneral Health forVitamin B12
  74. A single-center randomized controlled trial of local methylcobalamin injection for subacute herpetic neuralgia.
    Xu G; Lv ZW; Feng Y; Tang WZ; Xu GX · Pain medicine (Malden, Mass.) · 2014
    Randomized trial98 participantsGeneral Health forVitamin B12
  75. Local Injection of Methylcobalamin Combined with Lidocaine for Acute Herpetic Neuralgia.
    Xǔ G; Xu S; Tang WZ; Xú G; Cheng C; Xu J · Pain medicine (Malden, Mass.) · 2017
    Randomized trial204 participantsGeneral Health forVitamin B12
  76. The Effect of Vitamin B12 and Folic Acid Supplementation on Serum Homocysteine, Anemia Status and Quality of Life of Patients with Multiple Sclerosis.
    Nozari E; Ghavamzadeh S; Razazian N · Clinical nutrition research · 2022
    Clinical trial50 participantsGeneral Health forVitamin B12
  77. Folic Acid Therapy Reduces the First Stroke Risk Associated With Hypercholesterolemia Among Hypertensive Patients.
    Qin X; Li J; Spence JD; Zhang Y; Li Y; Wang X; Wang B; Sun N; Chen F; Guo J; Yin D; Sun L; Tang G; He M; Fu J; Cai Y; Shi X; Ye P; Chen H; Zhao S; Chen M; Gao C; Kong X; Hou FF; Huang Y; Huo Y · Stroke · 2017
    Randomized trial20,702 participantsHeart Health forFolate
  78. Periconception Red Blood Cell Folate and Offspring Congenital Heart Disease : Nested Case-Control and Mendelian Randomization Studies.
    Chen H; Zhang Y; Wang D; Chen X; Li M; Huang X; Jiang Y; Dou Y; Wang Y; Ma X; Sheng W; Jia B; Yan W; Huang G; SPCC (Shanghai Preconception Cohort) Group · Annals of internal medicine · 2022
    Case-control study985 participantsHeart Health forFolate
  79. Intake of vitamin B6, folate, and vitamin B12 and risk of coronary heart disease: a systematic review and dose-response meta-analysis of prospective cohort studies.
    Jayedi A; Zargar MS · Critical reviews in food science and nutrition · 2020
    Meta-analysis369,746 participants11 studies pooledHeart Health forFolate Heart Health forVitamin B6
  80. Folate Biomarkers, Folate Intake, and Risk of Death From All Causes, Cardiovascular Disease, and Cancer: A Systematic Review and Dose-Response Meta-Analysis of Prospective Cohort Studies.
    Fallah M; Karim Dehnavi M; Lotfi K; Aminianfar A; Azadbakht L; Esmaillzadeh A · Nutrition reviews · 2025
    Meta-analysis423,304 participants25 studies pooledHeart Health forFolate
  81. The association between folic acid supplementation and congenital heart defects: Systematic review and meta-analysis.
    Wondemagegn AT; Afework M · SAGE open medicine · 2022
    Meta-analysis37 studies pooledHeart Health forFolate
  82. Vitamin B12 deficiency is associated with cardiovascular autonomic neuropathy in patients with type 2 diabetes.
    Hansen CS; Jensen JS; Ridderstråle M; Vistisen D; Jørgensen ME; Fleischer J · Journal of diabetes and its complications · 2018
    Cross-sectional study469 participantsHeart Health forVitamin B12
  83. Vitamin B12 and folate status in early pregnancy and cardiometabolic risk factors in the offspring at age 5-6 years: findings from the ABCD multi-ethnic birth cohort.
    Krikke GG; Grooten IJ; Vrijkotte TG; van Eijsden M; Roseboom TJ; Painter RC · BJOG : an international journal of obstetrics and gynaecology · 2016
    Cohort study1,950 participantsHeart Health forVitamin B12
  84. Orthostatic tolerance in older patients with vitamin B12 deficiency before and after vitamin B12 replacement.
    Moore A; Ryan J; Watts M; Pillay I; Clinch D; Lyons D · Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2004
    Non-randomized trial16 participantsHeart Health forVitamin B12
  85. The impact of folic acid/VB12 deficiency on essential hypertension in children and adolescents: from a nested case-control and a cohort study.
    Liang X; Huang D; Bi Y; He Y; Mao T; Liu Q; Hu G; Tong J; Chen L; Wang Y; An X; Jiang X; Tahir MF · Journal of human hypertension · 2024
    Observational study596 participantsHeart Health forVitamin B12
  86. Intake of folate, vitamin B6 and vitamin B12 and the risk of CHD: the Japan Public Health Center-Based Prospective Study Cohort I.
    Ishihara J; Iso H; Inoue M; Iwasaki M; Okada K; Kita Y; Kokubo Y; Okayama A; Tsugane S; JPHC Study Group · Journal of the American College of Nutrition · 2008
    Cohort study40,803 participantsHeart Health forVitamin B6
  87. The effect of B-vitamins on the prevention and treatment of cardiovascular diseases: a systematic review and meta-analysis.
    Miao Y; Guo Y; Chen Y; Lin Y; Lu Y; Guo Q · Nutrition reviews · 2024
    Meta-analysisHeart Health forVitamin B6
  88. Folate and vitamin B(6) intake and risk of acute myocardial infarction in Italy.
    Tavani A; Pelucchi C; Parpinel M; Negri E; La Vecchia C · European journal of clinical nutrition · 2005
    Case-control study985 participantsHeart Health forVitamin B6
  89. Four-year follow-up of a randomized controlled trial of choline for neurodevelopment in fetal alcohol spectrum disorder.
    Wozniak JR; Fink BA; Fuglestad AJ; Eckerle JK; Boys CJ; Sandness KE; Radke JP; Miller NC; Lindgren C; Brearley AM; Zeisel SH; Georgieff MK · Journal of neurodevelopmental disorders · 2021
    Randomized trial31 participantsMental Focus forCholine
  90. The relation of dietary choline to cognitive performance and white-matter hyperintensity in the Framingham Offspring Cohort.
    Poly C; Massaro JM; Seshadri S; Wolf PA; Cho E; Krall E; Jacques PF; Au R · The American journal of clinical nutrition · 2012
    Cohort study1,391 participantsMental Focus forCholine
  91. Association between Maternal Choline, Fetal Brain Development, and Child Neurocognition: Systematic Review and Meta-Analysis of Human Studies.
    Obeid R; Derbyshire E; Schön C · Advances in nutrition (Bethesda, Md.) · 2022
    Meta-analysis30 studies pooledMental Focus forCholine
  92. Perinatal choline effects on neonatal pathophysiology related to later schizophrenia risk.
    Ross RG; Hunter SK; McCarthy L; Beuler J; Hutchison AK; Wagner BD; Leonard S; Stevens KE; Freedman R · The American journal of psychiatry · 2013
    Randomized trialMental Focus forCholine
  93. Cerebral folate receptor autoantibodies in autism spectrum disorder.
    Frye RE; Sequeira JM; Quadros EV; James SJ; Rossignol DA · Molecular psychiatry · 2014
    Non-randomized trial93 participantsMental Focus forFolate
  94. Folate, vitamin B-12, and cognitive function in the Boston Puerto Rican Health Study.
    Boumenna T; Scott TM; Lee JS; Palacios N; Tucker KL · The American journal of clinical nutrition · 2026
    Cross-sectional study1,408 participantsMental Focus forFolate
  95. Vitamins B9 and B12 in children with attention deficit hyperactivity disorder (ADHD).
    Razavinia F; Ebrahimiyan A; Faal Siahkal S; Ghazinezhad N; Abedi P · International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition · 2024
    Meta-analysis982 participants6 studies pooledMental Focus forFolate
  96. Does L-Methylfolate Supplement Methylphenidate Pharmacotherapy in Attention-Deficit/Hyperactivity Disorder?: Evidence of Lack of Benefit From a Double-Blind, Placebo-Controlled, Randomized Clinical Trial.
    Surman C; Ceranoglu A; Vaudreuil C; Albright B; Uchida M; Yule A; Spencer A; Boland H; Grossman R; Rhodewalt L; Fitzgerald M; Biederman J · Journal of clinical psychopharmacology · 2019
    Randomized trial44 participantsMental Focus forFolate
  97. Vitamin B12 Levels Association with Functional and Structural Biomarkers of Central Nervous System Injury in Older Adults.
    Beaudry-Richard A; Abdelhak A; Saloner R; Sacco S; Montes SC; Oertel FC; Cordano C; Jabassini N; Ananth K; Gomez A; Keihani A; Chapman M; Javvadi S; Saha S; Staffaroni A; Songster C; Warren M; Boscardin JW; Kramer J; Miller B; Miller JW; Green R; Green AJ · Annals of neurology · 2025
    Cross-sectional study231 participantsMental Focus forVitamin B12
  98. Cobalamin: a critical vitamin in the elderly.
    Wolters M; Ströhle A; Hahn A · Preventive medicine · 2005
    Narrative reviewMental Focus forVitamin B12
  99. The association of betaine, homocysteine and related metabolites with cognitive function in Dutch elderly people.
    Eussen SJ; Ueland PM; Clarke R; Blom HJ; Hoefnagels WH; van Staveren WA; de Groot LC · The British journal of nutrition · 2007
    Randomized trial195 participantsMental Focus forVitamin B12
  100. Vitamin B-6 supplementation in elderly men: effects on mood, memory, performance and mental effort.
    Deijen JB; van der Beek EJ; Orlebeke JF; van den Berg H · Psychopharmacology · 1995
    Randomized trial76 participantsMental Focus forVitamin B6
  101. The effect of vitamin B6 on cognition.
    Malouf R; Grimley Evans J · The Cochrane database of systematic reviews · 2004
    Systematic review109 participants2 studies pooledMental Focus forVitamin B6
  102. Antiemetic use during pregnancy and child neurodevelopment: population-based birth cohort study.
    Cho Y; Choi EY; Han JY; Kim H; Choe YJ; Shin JY · BMC medicine · 2025
    Cohort study630,904 participantsMental Focus forVitamin B6
  103. A nutritional blend of taurine, vitamins B6, B9, and B12 improves motivated behaviors in healthy adults-a double-blinded randomized clinical trial.
    Anlacan VM; Jamora RDG; Krattinger LF; De Longis E; Hartweg M; Steinmann M; Trovò L · Frontiers in nutrition · 2026
    Randomized trial44 participantsMental Focus Productivity Boost forVitamin B6
  104. B-Vitamin Therapy for Kidney Transplant Recipients Lowers Homocysteine and Improves Selective Cognitive Outcomes in the Randomized FAVORIT Ancillary Cognitive Trial
    Tammy M Scott, Graham Rogers, Daniel E Weiner, Kathryn Livingston, Jacob Selhub, Paul F Jacques, Irwin H Rosenberg, Aron M Troen · The Journal of Prevention of Alzheimer's Disease · 2017
    Randomized trial584 participantsMental Focus forVitamin B6
  105. Disorders of flavin adenine dinucleotide metabolism: MADD and related deficiencies.
    Mereis M; Wanders RJA; Schoonen M; Dercksen M; Smuts I; van der Westhuizen FH · The international journal of biochemistry & cell biology · 2024
    Systematic reviewMetabolism Boost forRiboflavin
  106. Anaemia during pregnancy: could riboflavin deficiency be implicated?
    Duffy B; McNulty H; Ward M; Pentieva K · The Proceedings of the Nutrition Society · 2026
    Narrative reviewMetabolism Boost forRiboflavin
  107. Effects of riboflavin and folic acid supplementation on plasma homocysteine levels in healthy subjects.
    Chuang CZ; Boyles A; Legardeur B; Su J; Japa S; Lopez-S A · The American journal of the medical sciences · 2006
    Non-randomized trial34 participantsMetabolism Boost forRiboflavin
  108. Riboflavin and riboflavin-derived cofactors in adolescent girls with anorexia nervosa.
    Capo-chichi CD; Guéant JL; Lefebvre E; Bennani N; Lorentz E; Vidailhet C; Vidailhet M · The American journal of clinical nutrition · 1999
    Clinical trial34 participantsMetabolism Boost forRiboflavin
  109. Association of maternal vitamin B12 and folate levels in early pregnancy with gestational diabetes: a prospective UK cohort study (PRiDE study).
    Saravanan P; Sukumar N; Adaikalakoteswari A; Goljan I; Venkataraman H; Gopinath A; Bagias C; Yajnik CS; Stallard N; Ghebremichael-Weldeselassie Y; Fall CHD · Diabetologia · 2022
    Cohort study4,746 participantsMetabolism Boost forVitamin B12
  110. Cobalamin deficiency with and without neurologic abnormalities: differences in homocysteine and methionine metabolism.
    Carmel R; Melnyk S; James SJ · Blood · 2003
    Observational study39 participantsMetabolism Boost forVitamin B12
  111. Efficacy of sublingual and oral vitamin B12 versus intramuscular administration: insights from a systematic review and meta-analysis.
    Mazur M; Ndokaj A; Salerno C; Vallone J; Ardan R; Bietolini S; Carrouel F; Wilk A; Sarig R; Ottolenghi L; Bourgeois D · Frontiers in pharmacology · 2026
    Meta-analysis6,098 participants16 studies pooledMetabolism Boost forVitamin B12
  112. Diagnosis and treatment of vitamin B12 deficiency in children.
    Kanvinde P; Khurana R; Mudaliar S · Frontiers in nutrition · 2026
    Narrative reviewMetabolism Boost forVitamin B12
  113. The efficacy and safety of nutrient supplements in the treatment of mental disorders: a meta-review of meta-analyses of randomized controlled trials.
    Firth J; Teasdale SB; Allott K; Siskind D; Marx W; Cotter J; Veronese N; Schuch F; Smith L; Solmi M; Carvalho AF; Vancampfort D; Berk M; Stubbs B; Sarris J · World psychiatry : official journal of the World Psychiatric Association (WPA) · 2025
    Systematic review10,951 participants33 studies pooledMood Support forFolate
  114. Continuous supplementation of folic acid in pregnancy and the risk of perinatal depression-A meta-analysis.
    Jin X; Cheng Z; Yu X; Tao Q; Huang R; Wang S · Journal of affective disorders · 2022
    Meta-analysis26,275 participants15 studies pooledMood Support forFolate
  115. Efficacy of B-vitamins and vitamin D therapy in improving depressive and anxiety disorders: a systematic review of randomized controlled trials.
    Borges-Vieira JG; Cardoso CKS · Nutritional neuroscience · 2023
    Systematic review2,256 participants20 studies pooledMood Support forFolate Mood Support forVitamin B12
  116. Folate supplementation as a beneficial add-on treatment in relieving depressive symptoms: A meta-analysis of meta-analyses.
    Gao S; Khalid A; Amini-Salehi E; Radkhah N; Jamilian P; Badpeyma M; Zarezadeh M · Food science & nutrition · 2024
    Meta-analysis11 studies pooledMood Support forFolate
  117. Oral 5'-methyltetrahydrofolic acid in senile organic mental disorders with depression: results of a double-blind multicenter study.
    Passeri M; Cucinotta D; Abate G; Senin U; Ventura A; Stramba Badiale M; Diana R; La Greca P; Le Grazie C · Aging (Milan, Italy) · 1993
    Randomized trial96 participantsMood Support forFolate
  118. Subjective well-being in older adults: folate and vitamin B12 independently predict positive affect.
    Edney LC; Burns NR; Danthiir V · The British journal of nutrition · 2016
    Cohort study391 participantsMood Support forVitamin B12
  119. Association between of vitamin B12 status during pregnancy and probable postpartum depression: the ECLIPSES study.
    Cruz-Rodríguez J; Canals-Sans J; Hernández-Martínez C; Arija V · Journal of reproductive and infant psychology · 2025
    Cohort study336 participantsMood Support forVitamin B12
  120. The biological relationship among depression, vitamins B9, B12, and D, and genetic variants: a systematic review.
    Soriano-Gonzalez R; Ramirez-Olea H; Gonzalez-Soltero R; Chavez-Santoscoy RA · Frontiers in nutrition · 2025
    Systematic review24 studies pooledMood Support forVitamin B12
  121. Associations of dietary B vitamins intakes with depression in adults.
    Wu Y; Li S; Wang W; Zhang D · International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition · 2023
    Observational study17,732 participantsMood Support forVitamin B12 Mood Support forVitamin B6
  122. High Dose Vitamin B6 Reduces Depression Symptoms.
    Field DT; Cracknell R; Biagi N · Depression and anxiety · 2026
    Randomized trial267 participantsMood Support forVitamin B6
  123. Can Vitamin B6 Help to Prevent Postpartum Depression? A Randomized Controlled Trial.
    Khodadad M; Bahadoran P; Kheirabadi GR; Sabzghabaee AM · International journal of preventive medicine · 2022
    Randomized trial81 participantsMood Support forVitamin B6
  124. Associations of Dietary Intake of Vitamin B6 and Plasma Pyridoxal 5'-Phosphate Level With Depression in US Adults: Findings From NHANES 2005-2010.
    Lu J; Mao H; Tan Y; Luo G · Brain and behavior · 2024
    Cross-sectional study24,683 participantsMood Support forVitamin B6
  125. Impact of vitamin B6 status on psychological distress in a longitudinal study of HIV-1 infection.
    Shor-Posner G; Feaster D; Blaney NT; Rocca H; Mantero-Atienza E; Szapocznik J; Eisdorfer C; Goodkin K; Baum MK · International journal of psychiatry in medicine · 1995
    Cohort study88 participantsMood Support forVitamin B6
  126. Effects of Physical Activity and Micronutrients on Cognitive Performance in Children Aged 6 to 11 Years: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Meli AM; Ali A; Mhd Jalil AM; Mohd Yusof H; Tan MMC · Medicina (Kaunas, Lithuania) · 2022
    Meta-analysisProductivity Boost forVitamin B12
  127. Cognitive function in an elderly population: interaction between vitamin B12 status, depression, and apolipoprotein E ε4: the Hordaland Homocysteine Study.
    Vogiatzoglou A; Smith AD; Nurk E; Drevon CA; Ueland PM; Vollset SE; Nygaard HA; Engedal K; Tell GS; Refsum H · Psychosomatic medicine · 2013
    Cross-sectional study1,935 participantsProductivity Boost forVitamin B12
  128. Cognitive profile and inflammatory markers in children and adolescents with specific learning disorder: a cross-sectional study.
    Balatacı U; Ay B · Frontiers in pediatrics · 2026
    Case-control study108 participantsProductivity Boost forVitamin B12
  129. Association between vitamin B12 levels and cognitive impairment in older adults.
    Aguilar-Navarro SG; Carbajal-Silva JC; Palacios-Hernández MGI; Gutiérrez-Gutierrez LA; Ávila-Funes JA; Mimenza-Alvarado AJ · Gaceta medica de Mexico · 2023
    Cross-sectional study241 participantsProductivity Boost forVitamin B12
  130. Effects of vitamin B12 on performance and circadian rhythm in normal subjects.
    Mayer G; Kröger M; Meier-Ewert K · Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 1997
    Randomized trial20 participantsProductivity Boost forVitamin B12
  131. Dietary intakes and biomarker patterns of folate, vitamin B6, and vitamin B12 can be associated with cognitive impairment by hypermethylation of redox-related genes NUDT15 and TXNRD1.
    An Y; Feng L; Zhang X; Wang Y; Wang Y; Tao L; Qin Z; Xiao R · Clinical epigenetics · 2020
    Cohort study2,533 participantsProductivity Boost forVitamin B12
  132. Homocysteine, folate, and vitamins B6 and B12 blood levels in relation to cognitive performance: the Maine-Syracuse study.
    Elias MF; Robbins MA; Budge MM; Elias PK; Brennan SL; Johnston C; Nagy Z; Bates CJ · Psychosomatic medicine · 2008
    Cross-sectional study812 participantsProductivity Boost forVitamin B12
  133. Vitamin B6, B9, and B12 Intakes and Cognitive Performance in Elders: National Health and Nutrition Examination Survey, 2011-2014.
    Xu H; Wang S; Gao F; Li C · Neuropsychiatric disease and treatment · 2022
    Cross-sectional study2,421 participantsProductivity Boost forVitamin B6
  134. Effect of megavitamin treatment on mental performance and plasma vitamin B6 concentrations in mentally retarded young adults.
    Coburn SP; Schaltenbrand WE; Mahuren JD; Clausman RJ; Townsend D · The American journal of clinical nutrition · 1983
    Non-randomized trialProductivity Boost forVitamin B6
  135. Identifying Key Predictors of Cognitive Dysfunction in Older People Using Supervised Machine Learning Techniques: Observational Study.
    Rankin D; Black M; Flanagan B; Hughes CF; Moore A; Hoey L; Wallace J; Gill C; Carlin P; Molloy AM; Cunningham C; McNulty H · JMIR medical informatics · 2024
    Cohort studyProductivity Boost forVitamin B6
  136. Inappropriate nutrients intake is associated with lower functional status and inferior quality of life in older adults with depression.
    Guligowska A; Pigłowska M; Fife E; Kostka J; Sołtysik BK; Kroc Ł; Kostka T · Clinical interventions in aging · 2017
    Case-control study49 participantsProductivity Boost forVitamin B6