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Blood Nutrients

Carlson
4.8
★ ★ ★ ★ ★
(207 ratings)
Iron 28 mg
Molybdenum 200 mcg
Copper 2 mg
Thiamin 10 mg
Riboflavin 10 mg
Vitamin B12 300 mcg
Product Image
Score81
A focused 28 mg iron formula with useful blood-building cofactors and a favorable iron form. It should be reserved for a confirmed need, and several supporting forms are ordinary or unclear.
How scoring works
Quantity:40 Capsule(s) • (40 servings)
Goals:
Energy
Productivity Boost
Hair Health
General Health

Score 81

A focused 28 mg iron formula with useful blood-building cofactors and a favorable iron form. It should be reserved for a confirmed need, and several supporting forms are ordinary or unclear.
How scoring works

Also available as

1 option
180 servings 1 Capsule(s) • 180 Capsule(s) • 180 servings $42.42 ($0.23 per serving)
$10.97($0.27 per serving)
iHerb
$ 10.97
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Analysis

Iron glycinate provides 28 mg of iron in a form generally chosen for absorption and tolerance, while vitamin C can support iron uptake. Folate, vitamin B12, vitamin B6, riboflavin, and copper cover several supporting blood-cell pathways.

Cyanocobalamin, unspecified folate, pyridoxine hydrochloride, and one copper carbonate source are less preferred or less clear than the iron form. Liver concentrate and porcine stomach substance add animal-derived material without a clearly defined active contribution.

The formula fits adults with an established iron need rather than general multivitamin users. only moderate overall value matters less than confirming iron status and reviewing total preformed vitamin A intake.

Who is it for
  • Adults with clinician-confirmed low iron needs
  • Users seeking chelated iron with vitamin C and B vitamins
  • People comfortable with animal-derived ingredients
Best for
  • Iron repletion support
  • Blood-cell nutrient coverage
  • Users who want iron plus supporting cofactors

Pros

  • Uses iron glycinate chelate
  • Includes vitamin C, folate, B12, B6, and copper
  • Provides a meaningful iron amount
  • Molybdenum is supplied as a glycinate chelate

Cons

  • Cyanocobalamin and unspecified folate are less preferred
  • Contains porcine stomach material and liver concentrate
  • Duplicated copper sources complicate the label
  • only moderate overall value

Warnings

  • The 28 mg iron amount may cause nausea, constipation, or dark stools
  • Do not use routinely with adequate iron stores or iron-overload conditions
  • Preformed vitamin A requires attention to total intake, especially during pregnancy
  • Iron should be kept away from children because accidental overdose can be dangerous

Nutrient quality

77 High impact

Iron glycinate, molybdenum glycinate, chelated copper, and natural vitamin E are favorable, while cyanocobalamin and copper carbonate are weaker. Iron, folate, vitamin B12, copper, vitamin C, and supporting B vitamins reach meaningful amounts.

Ingredient transparency

84 Highest impact

Every listed active has a specific amount. No proprietary blend hides a key dose.

Customer satisfaction

71 High impact

The supplied average rating is exceptionally strong. The evidence base is more limited, and no specific experience or complaint themes were provided.

Value for money

92 Highest impact

Chelated iron and broad blood-building cofactors provide excellent value at the very low serving cost. The formula compares very favorably with similar products on quality and cost.

Report analysis

Goals

Energy
Energy
Impact
Highest effect
A- Goal FitB Strength of SupportA- CoverageB+ Formula Quality
Vitamin B5 · 10 mgRiboflavin · 10 mgThiamin · 10 mgVitamin B12 · 300 mcgIron · 28 mg

Iron glycinate, vitamin C, folate, vitamin B12, copper, and several B vitamins create a coherent blood-nutrient formula. The iron amount and chelated form are meaningful for users with established need, while the wider nutrient base supports several steps in blood formation.

Cyanocobalamin is a less preferred B12 form and preformed vitamin A adds a reason to consider total intake. Iron should not be used casually when stores are adequate, and the animal-derived liver and porcine stomach ingredients make the formula unsuitable for vegetarians.

Study evidence
Iron Supportive 74 studies
Vitamin B12 Disputed 14 studies
Productivity Boost
Productivity Boost
Impact
High effect
B Goal FitA- Strength of SupportB- CoverageB Formula Quality
Iron · 28 mgVitamin B12 · 300 mcgVitamin B12 · 300 mcgVitamin B6 · 10 mg

Iron, vitamin B12, folate, and vitamin C form a strong blood-building combination that may improve productivity when low iron causes fatigue or brain fog. The formula is not a direct nootropic and offers little added cognitive benefit when nutrient status is already adequate.

The 28 mg chelated iron amount is substantial, while vitamin C and folate logically support its use. Unnecessary iron may cause constipation or contribute to iron excess, so people with hemochromatosis or adequate iron stores should not use it merely for focus.

Study evidence
Iron Supportive 69 studies
Vitamin B12 Supportive 15 studies
Vitamin B12 No effect 17 studies
Hair Health
Hair Health
Impact
High effect
A- Goal FitA- Strength of SupportB- CoverageC Formula Quality
Iron · 28 mgVitamin C · 120 mg

Chelated iron gives the formula strong relevance for hair shedding linked to low ferritin. Iron-deficiency correction is well supported, while the broader vitamin mixture has less direct evidence for hair in adequately nourished users.

The 28 mg iron amount is substantial, and vitamin C, folate, and B12 provide useful supporting amounts. Blood-building nutrients fit together, but 28 mg of iron can cause digestive effects and is unnecessary without an identified need.

Study evidence
Copper Adverse 4 studies
Folate Mixed 15 studies
Iron Disputed 25 studies
Vitamin B12 Disputed 17 studies
Vitamin C Mixed 5 studies
General Health
General Health
Impact
High effect
B- Goal FitB+ Strength of SupportB- CoverageC+ Formula Quality
Folate · 680 mcg DFEVitamin B12 · 300 mcgVitamin C · 120 mg

The formula combines a substantial amount of chelated iron with vitamins and minerals involved in blood-cell formation and nutrient metabolism. It is most relevant for people with confirmed higher iron needs rather than routine use by every adult.

Iron glycinate improves the main mineral choice, but cyanocobalamin, unspecified folate, and repeated copper forms create mixed form quality. The iron amount may cause constipation or nausea and can be inappropriate for men, postmenopausal women, or anyone without an identified need.

Study evidence
Folate Supportive 80 studies
Vitamin B12 Adverse 66 studies
Cognitive Support
Mental Energy
Cognitive Support
Impact
Moderate effect
D+ Goal FitC- Strength of SupportD+ CoverageB- Formula Quality
Thiamin · 10 mgVitamin B6 · 10 mgFolate · 680 mcg DFEVitamin B12 · 300 mcg

Chelated iron, vitamin C, folate, B12, and copper can support mental energy when anemia or a related deficiency is present. The design is nutritional and restorative rather than a direct focus or memory formula.

The iron amount is high enough to warrant use only when need is established. Cyanocobalamin and several basic vitamin forms also keep the broader quality moderate.

Study evidence
Folate Supportive 68 studies
Vitamin B12 Disputed 84 studies
Detoxification
Detoxification
Impact
Moderate effect
D+ Goal FitC- Strength of SupportD+ CoverageF Formula Quality
Folate · 680 mcg DFEVitamin B12 · 300 mcgVitamin B6 · 10 mgMolybdenum · 200 mcgVitamin E · 20.1 mgVitamin C · 120 mgRiboflavin · 10 mg

Molybdenum supports sulfite oxidase, while vitamin C, vitamin E, and several B vitamins contribute antioxidant and metabolic cofactors. The formula is designed for blood building, and its large iron and copper amounts are not appropriate detox additions for people who do not need them.

Several clearance-related pathways receive secondary support, but no concentrated liver-protective active is included. The high iron amount should be used only when iron replacement is appropriate, because unnecessary iron can cause harm and increase oxidative burden.

Study evidence
Molybdenum Adverse 1 study
Vitamin C Supportive 9 studies
Vitamin E Supportive 23 studies

Ingredients

IngredientAmount per serving
Vitamin A (Retinyl Palmitate)
 1500 mcg DFE
Vitamin C (Ascorbic Acid)
 120 mg
Vitamin E (D-Alpha-Tocopheryl Succinate)
 20.1 mg
Thiamine (Thiamine Mononitrate, Vitamin B1)
 10 mg
Riboflavin (Vitamin B2)
 10 mg
Niacin (Niacinamide)
 20 mg
Vitamin B6 (Pyridoxine Hydrochloride)
 10 mg
Folate
680 mcg DFE
Vitamin B12 (Cyanocobalamin)
 300 mcg
Pantothenic Acid (D-Calcium Pantothenate)
 10 mg
Iron (Iron Glycinate Chelate)
 28 mg
Copper (Copper Glycinate Chelate, Copper Carbonate)
 2 mg
Molybdenum (Molybdenum Glycinate Chelate)
 200 mcg
Liver concentrate
100 mg
Stomach Substance (Porcine)
 10 mg
Gluten Free Adults 18–50
Report overview
Iron (Iron Glycinate Chelate) · 28 mg OverallScore94
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value

Iron glycinate chelate provides a well-absorbed form at an effective 28 mg dose. Vitamin C, folate, and vitamin B12 give the formula strong absorption and red blood cell support in one capsule. The serving cost remains close to the collection median and is reasonable for the broader nutrient blend.

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Molybdenum (Molybdenum Glycinate Chelate) · 200 mcg OverallScore94
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Molybdenum glycinate provides a premium organic chelate with strong form quality. The elemental amount falls within the ideal metabolic-support range. The premium chelate is delivered at excellent serving value.

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Copper (Copper Glycinate Chelate, Copper Carbonate) · 2 mg OverallScore79
B- Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value

A glycinate chelate improves absorption potential, but the accompanying carbonate lowers the consistency of the source profile. The copper amount matches the collection target and remains well below the upper limit. The absence of zinc avoids direct competition but provides no built-in mineral balance. The serving cost is near or below the category median, supporting good value.

View ingredientView products
Loading alternative details
79 Performance

Ferrasorb

Thorne
<p>Ferrasorb offers a more purposeful option because it combines 36 mg Ferrochel iron with active B6, methylcobalamin, folate, and vitamin C. It keeps a focused iron strategy with more favorable supporting nutrient forms, although the high iron amount still calls for a confirmed need.</p>
69 Performance

Hema-Plex Chewables Delicious Mixed Berry Flavor

NaturesPlus
<p>Hema-Plex Chewables Delicious Mixed Berry Flavor offers a more purposeful option because it combines iron with methylfolate, methylcobalamin, chelated minerals, and natural vitamin E. It keeps a focused iron strategy with more favorable supporting nutrient forms, although the high iron amount still calls for a confirmed need.</p>
70 Performance

Blood Nourish-R

LifeSeasons
<p>Blood Nourish-R offers a more purposeful option because it uses ferrous bisglycinate with methylcobalamin, calcium folinate, and thiamine. It keeps a focused iron strategy with more favorable supporting nutrient forms, although the high iron amount still calls for a confirmed need.</p>
80 Budget

Super Vitamin B-Complex

Spring Valley
<p>Super Vitamin B-Complex costs less per serving, and it provides broad measured B-vitamin coverage at a very low serving cost. The lower-risk everyday formula avoids routine high-dose iron, but it cannot replace iron when a deficiency has been confirmed.</p>
80 Budget

B-Complex plus Vitamin C

21st Century
<p>B-Complex plus Vitamin C costs less per serving, and it combines vitamin C with six disclosed B vitamins at a very low serving cost. The lower-risk everyday formula avoids routine high-dose iron, but it cannot replace iron when a deficiency has been confirmed.</p>
84 Budget

Super B-Complex with Folic Acid plus Vitamin C

Nature's Bounty
<p>Super B-Complex with Folic Acid plus Vitamin C costs less per serving, and it offers a broad B-complex with vitamin C, folate, B12, and biotin at favorable serving value. The lower-risk everyday formula avoids routine high-dose iron, but it cannot replace iron when a deficiency has been confirmed.</p>
72 Value

Energizing Iron

Nature's Way
<p>Energizing Iron pairs useful ingredient quality with favorable serving value because it uses a moderate 8 mg ferrous bisglycinate amount with B12 and liver fractions. The gentler iron amount may be easier to fit for maintenance, but it is not equivalent to a high-dose repletion formula.</p>
88 Value

Prenatal

Fairhaven Health
<p>Prenatal pairs useful ingredient quality with favorable serving value because it combines iron with methylfolate, methylcobalamin, and broad prenatal nutrients. The broader formula adds active B-vitamin forms, but its prenatal balance should be chosen only when that life-stage coverage is appropriate.</p>
80 Value

One Daily Multivitamin for Women

NATURELO Premium Supplements
<p>One Daily Multivitamin for Women pairs useful ingredient quality with favorable serving value because it combines iron with methylfolate, methylcobalamin, active B6, and several chelated minerals. The broader multivitamin improves form quality and daily coverage, but its iron source is less targeted than a dedicated repletion formula.</p>
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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 pooledCognitive Support forFolate
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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 participantsCognitive Support forVitamin B12
  12. 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
  13. Human molybdenum exposure risk in industrial regions of China: New critical effect indicators and reference dose.
    Kuang HX; Li MY; Zeng XW; Chen D; Zhou Y; Zheng T; Xiang MD; Wu QZ; Chen XC; Dong GH; Yu YJ · Ecotoxicology and environmental safety · 2024
    Cross-sectional study2,267 participantsDetoxification forMolybdenum
  14. Vitamin C supplementation ameliorates liver function profile and antiviral treatment response in Hepatitis C patients.
    Nayila I; Javed MS; Khan MA; Hussain G; Raza Naqvi SA; Ali S; Jabeen Z; Shahnawaz S; Akram R; Iman T; Hassan Dogar MZ; Malik SA · Pakistan journal of pharmaceutical sciences · 2022
    Non-randomized trial200 participantsDetoxification forVitamin C
  15. Effect of ascorbic acid-rich diet on in vivo-induced oxidative stress.
    Alleva R; Di Donato F; Strafella E; Staffolani S; Nocchi L; Borghi B; Pignotti E; Santarelli L; Tomasetti M · The British journal of nutrition · 2012
    Non-randomized trial46 participantsDetoxification forVitamin C
  16. Dietary Vitamin C Intake Is Associated With Improved Liver Function and Glucose Metabolism in Chinese Adults.
    Luo X; Zhang W; He Z; Yang H; Gao J; Wu P; Ma ZF · Frontiers in nutrition · 2022
    Observational study8,307 participantsDetoxification forVitamin C
  17. Plasma ascorbate deficiency is associated with impaired reduction of sulfamethoxazole-nitroso in HIV infection.
    Trepanier LA; Yoder AR; Bajad S; Beckwith MD; Bellehumeur JL; Graziano FM · Journal of acquired immune deficiency syndromes (1999) · 2005
    Observational studyDetoxification forVitamin C
  18. Roles of endogenous ascorbate and glutathione in the cellular reduction and cytotoxicity of sulfamethoxazole-nitroso.
    Lavergne SN; Kurian JR; Bajad SU; Maki JE; Yoder AR; Guzinski MV; Graziano FM; Trepanier LA · Toxicology · 2006
    Clinical trial53 participantsDetoxification forVitamin C
  19. Systematic review with meta-analysis: The effect of vitamin E supplementation in adult patients with non-alcoholic fatty liver disease.
    Vadarlis A; Antza C; Bakaloudi DR; Doundoulakis I; Kalopitas G; Samara M; Dardavessis T; Maris T; Chourdakis M · Journal of gastroenterology and hepatology · 2021
    Meta-analysis8 studies pooledDetoxification forVitamin E
  20. Effect of vitamin E on cardiometabolic factors in paediatric metabolic dysfunction-associated steatotic liver disease: a systematic review with meta-analysis.
    Pam P; Musazadeh V; Mahmoudinezhad M; Panahiyan P; Mansoori MA; Zarrin R; Faghfouri AH · The British journal of nutrition · 2026
    Meta-analysis665 participants11 studies pooledDetoxification forVitamin E
  21. Treatment options for nonalcoholic fatty liver disease: a double-blinded randomized placebo-controlled trial.
    Anushiravani A; Haddadi N; Pourfarmanbar M; Mohammadkarimi V · European journal of gastroenterology & hepatology · 2019
    Randomized trial150 participantsDetoxification forVitamin E
  22. Vitamin E administration reduces liver enzyme levels in patients with Metabolic dysfunction-Associated Steatotic Liver Disease (MASLD): evidence from a systematic review and meta-analysis.
    Karimi M; Abidi M; Gholamian R; Ostovan A; Zakerolhosseini N; Boroomand S; Esmaeili S; Pourramezan MH; Mohebi S; Javadimoghadam A; Behmaneshnia F; Asbaghi O · Nutrition & metabolism · 2026
    Meta-analysis16 studies pooledDetoxification forVitamin E
  23. Haptoglobin 2 Allele is Associated With Histologic Response to Vitamin E in Subjects With Nonalcoholic Steatohepatitis.
    Banini BA; Cazanave SC; Yates KP; Asgharpour A; Vincent R; Mirshahi F; Le P; Contos MJ; Tonascia J; Chalasani NP; Kowdley KV; McCullough AJ; Behling CA; Schwimmer JB; Lavine JE; Sanyal AJ; Nonalcoholic Steatohepatitis Clinical Research Network (NASH CRN) · Journal of clinical gastroenterology · 2020
    Randomized trial228 participantsDetoxification forVitamin E
  24. Large-dose intravenous ferric carboxymaltose injection for iron deficiency anemia in heavy uterine bleeding: a randomized, controlled trial.
    Van Wyck DB; Mangione A; Morrison J; Hadley PE; Jehle JA; Goodnough LT · Transfusion · 2010
    Randomized trial477 participantsEnergy forIron
  25. The Effect of Parenteral or Oral Iron Supplementation on Fatigue, Sleep, Quality of Life and Restless Legs Syndrome in Iron-Deficient Blood Donors: A Secondary Analysis of the IronWoMan RCT.
    Macher S; Herster C; Holter M; Moritz M; Matzhold EM; Stojakovic T; Pieber TR; Schlenke P; Drexler C; Amrein K · Nutrients · 2021
    Randomized trial176 participantsEnergy forIron
  26. Ferric carboxymaltose vs. oral iron in the treatment of pregnant women with iron deficiency anemia: an international, open-label, randomized controlled trial (FER-ASAP).
    Breymann C; Milman N; Mezzacasa A; Bernard R; Dudenhausen J; FER-ASAP investigators · Journal of perinatal medicine · 2018
    Randomized trial252 participantsEnergy forIron
  27. Effect of iron therapy on fatigue symptoms in non-anaemic iron deficient women of reproductive age- A Randomized Controlled Trial.
    Sultana N; Bajwa FA; Sikandar MZ; Haider MM; Majeed T · JPMA. The Journal of the Pakistan Medical Association · 2026
    Randomized trial164 participantsEnergy forIron
  28. Intravenous iron isomaltoside treatment of women suffering from severe fatigue after postpartum hemorrhage.
    Holm C; Thomsen LL; Langhoff-Roos J · The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2019
    Randomized trial85 participantsEnergy forIron
  29. 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
  30. 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
  31. 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
  32. 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
  33. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. Menkes disease and response to copper histidine: An Indian case series.
    Yoganathan S; Sudhakar SV; Arunachal G; Thomas M; Subramanian A; George R; Danda S · Annals of Indian Academy of Neurology · 2022
    Case series4 participantsHair Health forCopper
  45. Trace element levels in alopecia areata.
    Bhat YJ; Manzoor S; Khan AR; Qayoom S · Indian journal of dermatology, venereology and leprology · 2009
    Case-control study100 participantsHair Health forCopper
  46. UV damage to hair and the effect of antioxidants and metal chelators.
    Millington KR; Marsh JM · International journal of cosmetic science · 2021
    In vitro / ex vivo studyHair Health forCopper
  47. Preserving fibre health: reducing oxidative stress throughout the life of the hair fibre.
    Marsh JM; Davis MG; Lucas RL; Reilman R; Styczynski PB; Li C; Mamak M; McComb DW; Williams RE; Godfrey S; Navqi KR; Chechik V · International journal of cosmetic science · 2016
    In vitro / ex vivo studyHair Health forCopper
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. The Association Between Alopecia Areata and Iron Deficiency Anemia: A Large-Scale Population-Based Case-Control Study.
    Davidovici B; Drutin Y; Ben-Tov A; Mimouni D; Wohl Y · Journal of personalized medicine · 2026
    Case-control study100,203 participantsHair Health forIron
  54. Iron Deficiency and Nonscarring Alopecia in Women: Systematic Review and Meta-Analysis.
    Treister-Goltzman Y; Yarza S; Peleg R · Skin appendage disorders · 2022
    Meta-analysis10,029 participants36 studies pooledHair Health forIron
  55. Comparative Analysis of Postoperative Hair Loss and Micronutrient Deficiencies After One-Anastomosis Gastric Bypass Versus Sleeve Gastrectomy.
    Chinisaz F; Maleki T; Najjari K; Miratashi Yazdi SA · Obesity surgery · 2026
    Cohort study261 participantsHair Health forIron
  56. Assessment of Serum Ferritin Levels in Female Patients With Telogen Effluvium.
    Thamotharan N; Harikumar MV; Sundaram M; Swaminathan A; Rangarajan S · Cureus · 2026
    Cross-sectional study100 participantsHair Health forIron
  57. Diagnosis and treatment of female alopecia: Focusing on the iron deficiency-related alopecia.
    Lin CS; Chan LY; Wang JH; Chang CH · Tzu chi medical journal · 2023
    Cohort study155 participantsHair Health forIron
  58. 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
  59. 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
  60. 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
  61. 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
  62. Management of hair loss associated with endocrine therapy in patients with breast cancer: an overview.
    Karatas F; Sahin S; Sever AR; Altundag K · SpringerPlus · 2016
    Narrative reviewHair Health forVitamin C
  63. Elucidating causal relationships of diet-derived circulating antioxidants and the risk of non-scarring alopecia: A Mendelian randomization study.
    Ba Y; Shen L; Peng X; Zhang Y; Wang J · Medicine · 2024
    Methods validation study201,019 participantsHair Health forVitamin C
  64. Alterations of plasma antioxidants and mitochondrial DNA mutation in hair follicles of smokers.
    Liu CS; Chen HW; Lii CK; Tsai CS; Kuo CL; Wei YH · Environmental and molecular mutagenesis · 2002
    Observational studyHair Health forVitamin C
  65. Removal of synthetic hair dye using formamidine sulfinic acid and other sulfinate precursors.
    Hawkes JA; Lewis DM; Mama J; Murray J · International journal of cosmetic science · 2026
    Methods validation studyHair Health forVitamin C
  66. A Zinc Sulphate-Resistant Acrodermatitis Enteropathica Patient with a Novel Mutation in SLC39A4 Gene.
    Kilic M; Taskesen M; Coskun T; Gürakan F; Tokatli A; Sivri HS; Dursun A; Schmitt S; Küry S · JIMD reports · 2013
    Case reportHair Health forVitamin C
  67. Effects of daily iron supplementation in primary-school-aged children: systematic review and meta-analysis of randomized controlled trials.
    Low M; Farrell A; Biggs BA; Pasricha SR · CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne · 2014
    Meta-analysis7,089 participants32 studies pooledProductivity Boost forIron
  68. Consumption of Iron-Biofortified Beans Positively Affects Cognitive Performance in 18- to 27-Year-Old Rwandan Female College Students in an 18-Week Randomized Controlled Efficacy Trial.
    Murray-Kolb LE; Wenger MJ; Scott SP; Rhoten SE; Lung'aho MG; Haas JD · The Journal of nutrition · 2017
    Randomized trial150 participantsProductivity Boost forIron
  69. Functional consequences of iron supplementation in iron-deficient female cotton mill workers in Beijing, China.
    Li R; Chen X; Yan H; Deurenberg P; Garby L; Hautvast JG · The American journal of clinical nutrition · 1994
    Randomized trial80 participantsProductivity Boost forIron
  70. The Effect of Iron-Fortified Lentils on Blood and Cognitive Status among Adolescent Girls in Bangladesh.
    Barnett AL; Wenger MJ; Yunus FM; Jalal C; DellaValle DM · Nutrients · 2023
    Randomized trial359 participantsProductivity Boost forIron
  71. Daily iron supplementation for improving anaemia, iron status and health in menstruating women.
    Low MS; Speedy J; Styles CE; De-Regil LM; Pasricha SR · The Cochrane database of systematic reviews · 2016
    Meta-analysis8,506 participants67 studies pooledProductivity Boost forIron
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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