Product Image

HomocysteX Plus

Seeking Health
4.8
★ ★ ★ ★ ★
(2295 ratings)
Vitamin B6 15 mg
Riboflavin 25 mg
Vitamin B12 1000 mcg
Product Image
Score74
A transparent methylation formula with meaningful betaine and active B6, folate, and riboflavin. Concentrated dosing and unclear B12 form limit broad use.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
General Health
Heart Health
Cardiovascular Support
Productivity Boost
Energy
Brain Health
Cognitive Support
Mood Support

Score 74

A transparent methylation formula with meaningful betaine and active B6, folate, and riboflavin. Concentrated dosing and unclear B12 form limit broad use.
How scoring works
$37.00($0.61 per serving)
Vitacost
$ 37.03
Pure Formulas
$ 37.00
Amazon
$ 37.00
iHerb
$ 37.00
Report prices

Analysis

Trimethylglycine at 700 mg is paired with active riboflavin, pyridoxal 5-phosphate, Quatrefolic, and a substantial B12 amount. The combination is coherent and avoids a proprietary blend.

Folate reaches 1,360 mcg DFE and B6 reaches 15 mg, which are concentrated amounts for daily use. The B12 entry is branded but the supplied data does not clearly identify its exact chemical form.

The capsule fits adults following a specific methylation-oriented plan. It is less suitable as a casual general B-complex because the dosing is concentrated and the nutrient profile is selective.

Who is it for
  • Adults following a targeted methylation plan
  • Users seeking betaine with selected B vitamins
Best for
  • Defined homocysteine-oriented supplementation
  • People wanting substantial trimethylglycine

Pros

  • Meaningful trimethylglycine amount
  • Uses pyridoxal 5-phosphate
  • Uses Quatrefolic
  • No proprietary blend

Cons

  • B12 form is unclear in supplied data
  • Folate amount is high
  • B6 reduces stacking flexibility
  • Not a complete B complex

Warnings

  • Vitamin B6 at 15 mg should be counted carefully when combining supplements over the long term.
  • The concentrated folate amount should match a defined need rather than casual stacking.
  • People using folate-antagonist medicines should follow their prescriber’s instructions.

Nutrient quality

89 Highest impact

Most nutrients use preferred active forms at meaningful amounts. Unclear B12 naming and concentrated amounts add avoidable uncertainty.

.

Ingredient transparency

76 High impact

Most active amounts are stated, but the split across forms leaves some ambiguity. Complete intake directions and a full inactive-ingredient list are not included in the supplied data.

.

Customer satisfaction

73 High impact

Supplied satisfaction metrics indicate a strong result with a meaningful response pool. Detailed experience themes are absent, so recurring complaints and real-world purpose fit remain uncertain.

.

Value for money

55 Moderate impact

Serving value appears weak relative to the disclosed form and amount. The focused formula avoids low-value extras.

.
Report analysis

Goals

General Health
General Health
Impact
Highest effect
A- Goal FitA- Strength of SupportB CoverageA+ Formula Quality
Folate · 1360 mcg DFEVitamin B12 · 1000 mcg

Active forms of riboflavin, vitamin B6, folate, and betaine form a focused methylation-support formula. The ingredients also support energy metabolism and normal homocysteine processing.

The B12 amount is clear, but its specific cobalamin form is not identified in the supplied data. The high folate and vitamin B6 amounts make the formula better suited to a defined need than casual long-term use.

Study evidence
Folate Supportive 80 studies
Vitamin B12 Adverse 66 studies
Heart Health
Heart Health
Impact
Highest effect
B Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality
Vitamin B12 · 1000 mcgVitamin B6 · 15 mgFolate · 1360 mcg DFE

Active B vitamins and trimethylglycine form a highly focused homocysteine-support formula. That pathway is relevant to cardiovascular risk when homocysteine is elevated, although it is not a complete heart-health strategy.

The key amounts are clearly disclosed and use metabolically active or branded forms. Strong dose depth and a lean ingredient list make the formula coherent, but it does not address lipids, vascular tone, or cardiac energy.

Study evidence
Folate Supportive 116 studies
Vitamin B12 No effect 42 studies
Vitamin B6 Supportive 44 studies
Cardiovascular Support
Cardiovascular Support
Impact
Highest effect
B+ Goal FitA Strength of SupportC CoverageA+ Formula Quality
Vitamin B12 · 1000 mcgVitamin B6 · 15 mgFolate · 1360 mcg DFE

Active vitamin B6, high-dose folate, and vitamin B12 form a targeted homocysteine-support formula. The product addresses one important cardiovascular risk pathway with strong cofactor logic.

Quatrefolic and P-5-P provide bioavailable forms, while the B12 identity is less explicit in the supplied data. The focused design offers excellent depth without unnecessary general-health additions.

Study evidence
Folate Supportive 93 studies
Vitamin B12 No effect 33 studies
Vitamin B6 Supportive 35 studies
Productivity Boost
Productivity Boost
Impact
Highest effect
B- Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality
Vitamin B12 · 1000 mcgVitamin B12 · 1000 mcgVitamin B6 · 15 mg

Active B6, methylfolate, methylcobalamin, riboflavin, and trimethylglycine support methylation and energy metabolism. Benefits for productivity are most likely when nutrient status or methylation is impaired rather than as an immediate boost.

The forms are favorable and every amount is clearly disclosed. The focused combination offers strong methylation depth without alertness or adaptogenic coverage.

Study evidence
Vitamin B12 Supportive 15 studies
Vitamin B12 No effect 17 studies
Vitamin B6 Disputed 6 studies
Energy
Energy
Impact
Highest effect
B- Goal FitA Strength of SupportC CoverageA Formula Quality
Riboflavin · 25 mgVitamin B12 · 1000 mcg

High amounts of riboflavin and vitamin B12 support metabolic and red-blood-cell pathways linked to fatigue when intake is inadequate. Active B-vitamin forms and fully disclosed amounts strengthen the formulation.

The combination is designed mainly for methylation and homocysteine metabolism, so its energy relevance is narrower than a comprehensive energy formula. Trimethylglycine complements the B vitamins but does not add a distinct alertness or stress-resilience pathway.

Study evidence
Riboflavin Mixed 6 studies
Vitamin B12 Disputed 14 studies
Brain Health
Brain Health
Impact
High effect
C+ Goal FitB Strength of SupportC CoverageA- Formula Quality
Folate · 1360 mcg DFEVitamin B12 · 1000 mcgVitamin B6 · 15 mg

Active folate, riboflavin, vitamin B6, B12, and betaine form a focused methylation and homocysteine-support formula. Those pathways are neurologically relevant, but the product is not a broad nootropic.

Most forms and amounts are clearly characterized, with strong B-vitamin choices. The unspecified B12 chemical form and standard capsule delivery leave some uncertainty about that ingredient.

Study evidence
Folate Supportive 90 studies
Vitamin B12 Supportive 74 studies
Vitamin B6 Supportive 29 studies

Ingredients

IngredientAmount per serving
Riboflavin (Riboflavin 5-Phosphate Sodium)
 25 mg
Vitamin B6 (Pyridoxal 5-Phosphate)
 15 mg
Folate (Quatrefolic)
 1360 mcg DFE
MecobalActive (Vitamin B12)
 1000 mcg
Trimethylglycine
700 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Vitamin B6 (Pyridoxal 5-Phosphate) · 15 mg OverallScore90
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value

Active pyridoxal 5-phosphate provides a metabolically ready form of B6. The 15 mg amount sits in the preferred range without reaching the chronic safety ceiling. The serving cost limits value despite otherwise useful formulation features.

View ingredientView products
Riboflavin (Riboflavin 5-Phosphate Sodium) · 25 mg OverallScore75
A+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyD+ Value

Bioactive R5P is supplied at a moderate amount. The capsule supports quick release in the digestive tract. Premium R5P partly offsets the high serving cost.

View ingredientView products
Vitamin B12 · 1000 mcg OverallScore37
F Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyF Value
+1

The amount reaches a high-potency level, but the chemical form of B12 is not clearly disclosed. Standard capsule delivery provides no mucosal absorption advantage. Cost efficiency is poor when assessed for B12 alone.

View ingredientView products
Loading alternative details
78 Performance

Methylfolate B Complex

Codeage
<p>The ingredient and goal fit makes it a more favorable quality-focused alternative, especially for Vitamin B12, Vitamin B6, Riboflavin. Active riboflavin, B6, methylfolate, and methylcobalamin create a high-quality methylation-focused complex. The folate and B12 amounts are concentrated, making the formula more appropriate for targeted use than basic maintenance.</p>
81 Performance

Activated Homocysteine

Swanson
<p>The ingredient and goal fit makes it a more favorable quality-focused alternative, especially for Vitamin B12, Vitamin B6. Active B6, methylfolate, methylcobalamin, and betaine create a focused homocysteine-support formula. The forms are strong and doses are meaningful, but the B6 amount is aggressive for routine long-term use.</p>
79 Performance

Homocysteine Modulators

Solgar
<p>The ingredient and goal fit makes it a more favorable quality-focused alternative, especially for Vitamin B12, Vitamin B6. Betaine and a small active B6 addition give this homocysteine formula some purpose, but most vitamins use older forms. The B6 amount is aggressive for long-term use, while strong serving value partly offsets form limitations.</p>
78 Budget

Homocysteine Resist

Life Extension
<p>The lower serving cost makes it a more economical option while retaining overlap in Vitamin B12, Vitamin B6, Riboflavin. Active B6, methylfolate, and methylcobalamin create a potent methylation-focused formula. The very high folate amount and B6 at a chronic-use safety threshold make prolonged unsupervised use a concern because excess B6 may cause nerve symptoms.</p>
81 Budget

Tri-B

Carlson
<p>The lower serving cost makes it a more economical option while retaining overlap in Vitamin B12, Vitamin B6. B6, folate, and B12 create a simple cardiovascular-support combination with a very long supply. Conventional forms, high folate, and elevated pyridoxine reduce suitability despite excellent serving value.</p>
82 Budget

BioActive Vitamin B

Terry Naturally
<p>The lower serving cost makes it a more economical option while retaining overlap in Vitamin B12, Vitamin B6. Active forms of B6, B12, and folate make a compact, well-targeted B-vitamin formula. Strong forms and sensible serving value are offset by a B6 amount that may be more than many users need long term.</p>
80 Value

Tri-B

Carlson
<p>The supplied quality and value evidence gives it a more favorable balance for Vitamin B12, Vitamin B6 than the original. B6, folate, and B12 create a simple cardiovascular-support combination at a low serving cost. Conventional forms, a high folate amount, and elevated pyridoxine reduce suitability for routine long-term use.</p>
81 Value

Folic Acid B6 & B12

Mason Natural
<p>The supplied quality and value evidence gives it a more favorable balance for Vitamin B12, Vitamin B6 than the original. A simple B6, folate, and B12 combination offers inexpensive nutritional coverage. Older forms and an aggressive pyridoxine amount weaken quality and long-term suitability.</p>
78 Value

Homocysteine Defense

Source Naturals
<p>The supplied quality and value evidence gives it a more favorable balance for Vitamin B12, Vitamin B6 than the original. A meaningful betaine amount supports the formula’s homocysteine focus, but the vitamins use older forms. High folate and elevated pyridoxine reduce long-term suitability despite a reasonable serving cost.</p>
Report alternatives

Sources

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

  1. 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
  2. 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 forFolate
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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 forVitamin B12
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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 forRiboflavin
  48. 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
  49. 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
  50. 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
  51. 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
  52. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.
    Zhang W; Fan M; Wang C; Mahawar K; Parmar C; Chen W; Yang W; Global Bariatric Research Collaborative · Obesity surgery · 2021
    Meta-analysis2,538 participants18 studies pooledHair Health forFolate
  64. Quantitative Analysis of Selected Circulating Hematological Biomarkers, Essential Minerals, Vitamins, and Thyroid Hormones in Females Affected by Hair Loss.
    Al-Fawaeir S; Al-Odat I · Diseases (Basel, Switzerland) · 2025
    Case-control study200 participantsHair Health forFolate Hair Health forVitamin B12
  65. Twelve weeks of protracted venous infusion of fluorouracil (5-FU) is as effective as 6 months of bolus 5-FU and folinic acid as adjuvant treatment in colorectal cancer.
    Saini A; Norman AR; Cunningham D; Chau I; Hill M; Tait D; Hickish T; Iveson T; Lofts F; Jodrell D; Ross PJ; Oates J · British journal of cancer · 2003
    Randomized trialHair Health forFolate
  66. Role of oxaliplatin combined with 5-fluorouracil and folinic acid in the first- and second-line treatment of advanced colorectal cancer.
    Jonker D; Rumble RB; Maroun J; Gastrointestinal Cancer Disease Site Groupof Cancer Care Ontario’s Program in Evidence-Based Care · Current oncology (Toronto, Ont.) · 2012
    Randomized trialHair Health forFolate
  67. Phase I-II study of vinorelbine in combination with 5-fluorouracil and folinic acid as first-line chemotherapy in metastatic breast cancer: a regimen with a low subjective toxic burden.
    Nolè F; de Braud F; Aapro M; Minchella I; De Pas TM; Zampino MG; Monti S; Andreoni G; Goldhirsch A · Annals of oncology : official journal of the European Society for Medical Oncology · 1997
    Randomized trialHair Health forFolate
  68. Factors Associated with Premature Hair Graying in a Young Indian Population.
    Chakrabarty S; Krishnappa PG; Gowda DG; Hiremath J · International journal of trichology · 2016
    Case-control study74 participantsHair Health forVitamin B12
  69. Risk Factors for Pediatric Alopecia Areata: Clinical and Biochemical Findings from a Case - Control Study.
    İritaş SY · Dermatology practical & conceptual · 2026
    Case-control study600 participantsHair Health forVitamin B12
  70. Hair Loss After Laparoscopic Sleeve Gastrectomy.
    Katsogridaki G; Tzovaras G; Sioka E; Perivoliotis K; Zachari E; Magouliotis D; Tasiopoulou V; Chatedaki C; Zacharoulis D · Obesity surgery · 2019
    Cohort study50 participantsHair Health forVitamin B12
  71. Demographic Characteristics and Association of Serum Vitamin B12, Ferritin and Thyroid Function with Premature Canities in Indian Patients from an Urban Skin Clinic of North India: A Retrospective Analysis of 71 Cases.
    Sonthalia S; Priya A; Tobin DJ · Indian journal of dermatology · 2022
    Cross-sectional study71 participantsHair Health forVitamin B12
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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
  79. 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
  80. 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
  81. 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
  82. 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
  83. 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
  84. 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
  85. 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
  86. 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
  87. 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
  88. 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
  89. 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
  90. 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
  91. 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
  92. 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
  93. High Dose Vitamin B6 Reduces Depression Symptoms.
    Field DT; Cracknell R; Biagi N · Depression and anxiety · 2026
    Randomized trial267 participantsMood Support forVitamin B6
  94. 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
  95. 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
  96. 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
  97. 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
  98. 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
  99. 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
  100. 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
  101. 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
  102. 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
  103. 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
  104. 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
  105. 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
  106. 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
  107. 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
  108. 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 participantsProductivity Boost forVitamin B6