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Tri-B

Carlson
4.8
★ ★ ★ ★ ★
(1265 ratings)
Vitamin B6 25 mg
Vitamin B12 400 mcg
Product Image
Score80
A simple, economical B6-folate-B12 tablet, though its conventional forms and long-term B6 exposure are trade-offs.
How scoring works
Quantity:120 Tablet(s) • (120 servings)
Goals:
General Health
Heart Health
Cognitive Support
Energy

Score 80

A simple, economical B6-folate-B12 tablet, though its conventional forms and long-term B6 exposure are trade-offs.
How scoring works

Also available as

1 option
360 servings B6 25 mg • 360 Tablet(s) • 360 servings $23.97 ($0.06 per serving)
$9.78($0.08 per serving)
iHerb
$ 9.78
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Analysis

The tablet combines 25 mg of pyridoxine with folate and 400 mcg of B12. That focused trio is easy to understand and supports routine methylation and blood-cell nutrient needs.

Cyanocobalamin, pyridoxine hydrochloride, and unspecified folate are standard forms without specialized absorption features. The B6 amount is much higher than ordinary dietary maintenance and deserves caution during extended use.

One-tablet dosing and low serving cost make it practical for budget-focused users. People seeking active forms or flexible dosing will find better options in methylated capsules or powders.

Who is it for
  • Budget-focused adults seeking a B-vitamin trio
  • People who prefer one tablet
  • Users without a need for active forms
Best for
  • Basic methylation support
  • Routine B-vitamin intake
  • Low-cost long-term supply

Pros

  • Simple focused formula
  • Clearly quantified actives
  • Very low serving cost

Cons

  • Uses cyanocobalamin
  • Folate form is not identified
  • Pyridoxine requires metabolic conversion

Warnings

  • Extended use of 25 mg vitamin B6 may still add meaningful cumulative exposure
  • Stacking with other B6 supplements can increase nerve-symptom risk
  • The high folate amount should be reviewed when using folate-antagonist medication

Nutrient quality

72 High impact

Pyridoxine, folic acid or unspecified folate, and cyanocobalamin are conventional rather than metabolically direct forms. The three main B vitamins are present at meaningful amounts.

.

Ingredient transparency

83 Highest impact

Every listed active has a specific amount. A complete excipient list is not available in the supplied data.

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Customer satisfaction

76 High impact

The average rating is very strong. The large rating volume provides a reliable satisfaction signal.

.

Value for money

90 Highest impact

The supply provides excellent value per effective serving. The formula is not inflated by low-value extras.

.
Report analysis

Goals

General Health
General Health
Impact
High effect
A- Goal FitB- Strength of SupportC+ CoverageA Formula Quality
Folate · 1360 mcg DFEVitamin B12 · 400 mcg

The three B vitamins work together in homocysteine metabolism, blood-cell formation, and nervous-system function. Meaningful amounts of folate, vitamin B12, and vitamin B6 make the focused combination relevant to foundational nutrition.

Cyanocobalamin, pyridoxine hydrochloride, and an unspecified folate form are serviceable but not the most bioactive choices. Long-term daily use of the vitamin B6 amount may increase neuropathy risk in susceptible people, so continued high intake from multiple products deserves care.

Study evidence
Folate Supportive 80 studies
Vitamin B12 Adverse 66 studies
Heart Health
Heart Health
Impact
High effect
B- Goal FitB Strength of SupportC CoverageA+ Formula Quality
Vitamin B12 · 400 mcgVitamin B6 · 25 mgFolate · 1360 mcg DFE

Vitamin B6, folate, and vitamin B12 form a coherent combination for homocysteine metabolism. That pathway is relevant when homocysteine is elevated, but lowering the marker does not consistently translate into fewer cardiovascular events.

The amounts are substantial and individually disclosed, though pyridoxine, unspecified folate, and cyanocobalamin are not the preferred active forms. Long-term use of 25 mg vitamin B6 may contribute to nerve symptoms in susceptible users, so chronic intake from all supplements should be considered.

Study evidence
Folate Supportive 116 studies
Vitamin B12 No effect 42 studies
Vitamin B6 Supportive 44 studies
Cognitive Support
Cognitive Support
Impact
High effect
C Goal FitC+ Strength of SupportC CoverageA Formula Quality
Vitamin B6 · 25 mgFolate · 1360 mcg DFEVitamin B12 · 400 mcg

Vitamin B6, folate, and B12 form a logical cofactor stack for neurotransmitter production, myelin maintenance, and homocysteine metabolism. The amounts are clearly disclosed, but pyridoxine hydrochloride, cyanocobalamin, and unspecified folate are less preferred than active forms.

Cognitive value is most relevant for people with low nutrient status rather than as a direct memory or focus enhancer. The formula is streamlined and coherent, although it lacks choline, omega-3s, botanicals, or other targeted cognitive actives.

Study evidence
Folate Supportive 68 studies
Vitamin B12 Disputed 84 studies
Vitamin B6 Supportive 17 studies
Energy
Energy
Impact
High effect
B Goal FitD+ Strength of SupportC- CoverageB+ Formula Quality
Vitamin B12 · 400 mcg

Vitamin B6, folate, and vitamin B12 form a coherent combination for methylation and homocysteine metabolism. All three amounts are clearly disclosed and can contribute meaningfully in a targeted context.

Cyanocobalamin and pyridoxine hydrochloride are ordinary rather than preferred active forms, while the folate amount is high. Prolonged daily vitamin B6 intake at this level may contribute to nerve symptoms, especially when combined with other B-complex products.

Study evidence
Vitamin B12 Disputed 14 studies
Hair Health
Hair Health
Impact
Moderate effect
C- Goal FitB- Strength of SupportD CoverageB Formula Quality

B12 and folate may support hair only when low status contributes to shedding or poor follicle nutrition. Evidence supports correcting deficiency, but the combination has little direct evidence as a general hair-growth formula.

B12 and folate are supplied at substantial amounts, while B6 is also well above basic daily needs. The three B vitamins form a coherent deficiency-oriented combination, though prolonged high B6 intake may contribute to nerve symptoms in susceptible users.

Study evidence
Folate Mixed 15 studies
Vitamin B12 Disputed 17 studies
Mood Support
Mood Support
Impact
Moderate effect
C- Goal FitC Strength of SupportC CoverageB+ Formula Quality
Folate · 1360 mcg DFEVitamin B6 · 25 mgVitamin B12 · 400 mcg

Vitamin B6, folate, and B12 support neurotransmitter synthesis and methylation, but they are not targeted mood actives. Benefits are most plausible when correcting an inadequate nutrient intake.

The amounts are substantial and fully disclosed, yet pyridoxine and cyanocobalamin are less preferred than active forms. Long-term use adds 25 mg of vitamin B6 daily, which may raise nerve-damage risk when combined with other B6 sources.

Study evidence
Folate Supportive 84 studies
Vitamin B12 Supportive 29 studies
Vitamin B6 Supportive 19 studies
Cardiovascular Support
Cardiovascular Support
Impact
Moderate effect
D Goal FitB Strength of SupportD CoverageB Formula Quality
Vitamin B12 · 400 mcgVitamin B6 · 25 mgFolate · 1360 mcg DFE

Folate, B12, and B6 may lower homocysteine, but that biomarker effect does not reliably translate into broad cardiovascular protection. Evidence for lowering homocysteine is strong, while evidence for preventing major cardiovascular events is mixed.

All three B vitamins are supplied at substantial amounts. The combination is biochemically coherent, though prolonged 25 mg B6 intake may contribute to nerve symptoms in susceptible users.

Study evidence
Folate Supportive 93 studies
Vitamin B12 No effect 33 studies
Vitamin B6 Supportive 35 studies

Ingredients

IngredientAmount per serving
Vitamin B6 (Pyridoxine Hydrochloride)
 25 mg
Folate
1360 mcg DFE
Vitamin B12 (Cyanocobalamin)
 400 mcg
Calcium (Dicalcium Phosphate)
 24 mg
Adults 18–50
Report overview
Vitamin B6 (Pyridoxine Hydrochloride) · 25 mg OverallScore74
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The formula supplies a preferred-range B6 dose in the precursor pyridoxine hydrochloride form. One tablet is convenient, and the very low serving cost provides strong economic value. Active P-5-P and a riboflavin conversion cofactor are absent, while excipients are not disclosed in the supplied data.

View ingredientView products
Vitamin B12 (Cyanocobalamin) · 400 mcg OverallScore47
F Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyB- Value

The tablet offers a moderate B12 dose but uses cyanocobalamin. Its swallowed format is convenient yet provides no special absorption feature. Cost efficiency is favorable despite the less preferred form.

View ingredientView products
Loading alternative details
82 Performance

BioActive Vitamin B

Terry Naturally
<p>Active forms of vitamin B6, methylcobalamin, and methylfolate preserve the original product’s main nutrient coverage in a concise formula. Compared with the original, the provided B6, B12, and several goal analyses are strong, although products containing trimethylglycine provide broader homocysteine-focused support.</p>
89 Performance

Methyl B-12 1000 mcg & Methyl Folate 400 mcg plus P-5-P Lemon Flavor

Jarrow Formulas
<p>Methylcobalamin, folate, and pyridoxal 5-phosphate retain all three core B nutrients with clear amounts. Compared with the original, the provided overall, B12, general-health, and energy analyses are strong, but the B6 amount is much lower than in the original formulas.</p>
89 Performance

P-5-P 50 mg

Country Life
<p>Pyridoxal 5-phosphate gives this single-nutrient option a clearly disclosed active B6 form. Compared with the original, the provided B6 analysis is stronger, but the formula does not supply vitamin B12, folate, or trimethylglycine.</p>
86 Budget

Vitamin B12 2000 mcg

Nutricost
<p>A 2000 mcg methylcobalamin serving provides a clearly disclosed active vitamin B12 form. It has a lower serving cost, although the single-nutrient formula omits vitamin B6 and folate.</p>
86 Budget

Quick Dissolve B-12 Methylcobalamin 2500 mcg

Nature's Bounty
<p>A 2500 mcg methylcobalamin serving provides a clearly disclosed active vitamin B12 form. Its serving cost is similar, although the single-nutrient formula omits vitamin B6 and folate.</p>
87 Budget

Vitamin B-6 50 mg

Nature's Way
<p>The label lists vitamin B6 as both pyridoxal 5-phosphate and pyridoxine hydrochloride. It has a lower serving cost, although the formula omits vitamin B12 and folate, and the supplied listing repeats the amount across two B6 forms.</p>
81 Value

Tri-B

Carlson
<p>Vitamin B6, folate, and vitamin B12 preserve all three core nutrients with a favorable serving cost. Compared with the original, the broad nutrient match supports value, although pyridoxine and cyanocobalamin are less active forms than P5P and methylcobalamin.</p>
84 Value

P-5-P 50 mg

Nutricost
<p>A 50 mg pyridoxal 5-phosphate serving provides active B6 with strong disclosed B6 alignment and favorable serving economics. Compared with the original, it is a useful value choice when B6 is the priority, but it omits vitamin B12, folate, and trimethylglycine.</p>
85 Value

Sublingual Methylcobalamin 1000 mcg

Solgar
<p>A 1000 mcg methylcobalamin serving provides an active B12 form with strong disclosed B12 and goal alignment at a favorable serving cost. Compared with the original, it is a focused value option when B12 is the priority, but it omits vitamin B6, folate, and trimethylglycine.</p>
Report alternatives

Sources

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

  1. 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
  2. Methylmalonic acid, vitamin B12, and mortality risk in patients with preexisting coronary heart disease: a prospective cohort study.
    Guo J; Liu X; Wang Z; Lu R; Liu Y; Zhang Y; Tian W; Fang S; Wang S; Yu B · Nutrition journal · 2023
    Cohort study1,755 participantsCardiovascular Support forVitamin B12
  3. Associations of Serum Folate and Vitamin B12 Levels With Cardiovascular Disease Mortality Among Patients With Type 2 Diabetes.
    Liu Y; Geng T; Wan Z; Lu Q; Zhang X; Qiu Z; Li L; Zhu K; Liu L; Pan A; Liu G · JAMA network open · 2022
    Cohort study4,860 participantsCardiovascular Support forVitamin B12
  4. 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
  5. Homocysteine-lowering therapy does not affect inflammatory markers of atherosclerosis in patients with stable coronary artery disease.
    Bleie Ø; Semb AG; Grundt H; Nordrehaug JE; Vollset SE; Ueland PM; Nilsen DW; Bakken AM; Refsum H; Nygård OK · Journal of internal medicine · 2007
    Randomized trial90 participantsCardiovascular Support forVitamin B6
  6. The PAr index, an indicator reflecting altered vitamin B-6 homeostasis, is associated with long-term risk of stroke in the general population: the Hordaland Health Study (HUSK).
    Zuo H; Tell GS; Ueland PM; Nygård O; Vollset SE; Midttun Ø; Meyer K; Ulvik A · The American journal of clinical nutrition · 2019
    Cohort study6,891 participantsCardiovascular Support forVitamin B6
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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 forVitamin B12
  28. 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
  29. 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 forVitamin B12
  30. 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
  31. 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
  32. 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 participantsCognitive Support forVitamin B6
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. 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
  64. 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
  65. 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
  66. 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
  67. 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
  68. 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
  69. 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
  70. 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
  71. 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
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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
  79. 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
  80. High Dose Vitamin B6 Reduces Depression Symptoms.
    Field DT; Cracknell R; Biagi N · Depression and anxiety · 2026
    Randomized trial267 participantsMood Support forVitamin B6
  81. 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
  82. 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
  83. 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