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Vitamin B9

14 benefits mapped to clinical evidence across supplements.

Serves the goals:CardiovascularCognitionDetoxEnergyEssential Health

Benefit Evidence

Heart health
Strong

Homocysteine ↓, cardiac risk

Vascular function ↑, Hcy ↓

528,161 people
Pregnancy support
Strong

Pregnancy support: NTD/birthweight↓

Counseling: folate use↑ +26.5pp

336,594 people
Nutrition source
Strong

Folate status↑, Hcy↓

Anemia/toxicity↓, Hb↑

125,429 people
Brain health
Strong

Cognition + homocysteine

~30% tHcy drop

Brain atrophy −40%

933,820 people
Cell health
Strong

Lower liver/blood toxicity

Higher folate biomarker levels

Better cancer control

99,634 people
Mood balance
Strong

Mood: −2.65 HDRS

Mood: relapse −52%

869,827 people
Energy & Fatigue
Strong

Hb↑, fatigue↓

Anaemia↓, Hb↑

53,924 people
Healthy aging
Strong

Brain/cognition protection

Homocysteine↓, folate↑

53,587 people
Focus & concentration
Strong

Processing speed +8.8

Memory/attention + small gains

12,721 people
Nerve health
Strong

Nerve symptoms, homocysteine

+30% homocysteine drop

Nerve conduction improves

25,542 people
Detoxification
Strong

Arsenic detox: +DMAs -InAs

Homocysteine detox: -30%

Liver enzymes: -0.6 IU/L

10,686 people
Immune support
Strong

Fewer infections, shorter illness

Lower inflammation, better immunity

8,459 people
Appetite regulation
Weak

↓ Insulin/hunger peak

+1.7 appetite score

↑ reported appetite/energy

161 people
Hair & Nails
Weak

Hemoglobin ↑

Memory/attention ↑

129 people

Similar by evidence

Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.

Riboflavin

Shares 11 benefits: brain health, cell health, energy & fatigue, focus & concentration

Selenium

Shares 10 benefits: cell health, detoxification, energy & fatigue, focus & concentration

Folic Acid

Shares 9 benefits: brain health, cell health, energy & fatigue, healthy aging

L-Methionine

Shares 9 benefits: brain health, cell health, detoxification, energy & fatigue

Phosphatidylcholine

Shares 9 benefits: brain health, cell health, detoxification, energy & fatigue

Choline

Shares 9 benefits: brain health, cell health, energy & fatigue, focus & concentration

Products with Vitamin B9

Search all

17 products whose verified label declares Vitamin B9 — not every bottle that mentions it in a title.

Bedoyecta

Bedoyecta Kids Multivitamin and Supplement, 50 Chewable Tablets

Vitamin C · Vitamin D · Vitamin B1 (Thiamine) +6 more

$14.95Multivitamins

FOLONA

FOLONA Organic Super Greens Capsules with Ashwagandha, Spirulina

$22.95Chlorella

Fuxion

Flora Liv 'Soluble Fiber That Nourishes Your Intestinal Flora '

Includes 0g Added Sugars · Iron 0.6 mg · Magnesium 10.6 mg +11 more

$53.00Dietary Fibers

Betel Natural

Betel Natural B Complex + (Complejo B +) with Ginkgo Biloba Capsules

$20.95Ginkgo Biloba

Nuoptimal

metaMEMORY by Nuoptimal

Vitamin B9 (as folic acid) 240 mcg · Vitamin B12 (as methylcobalamin) 50 mcg · Vitamin C (as asorbic acid) 20 mg +8 more

$29.85Ginkgo Biloba

Nuoptimal

metaBRAIN by Nuoptimal

Ginkgo Biloba

Being studied right now

Recruiting clinical trials registered on ClinicalTrials.gov. A trial in progress has no result yet — this is what the field is asking, not what it found.

Effect of a Food Intervention With a Prebiotic Alone or Combined With B-vitamins on Gut Microbiota Diversity, Inflammation and Mental Health Outcomes in Older Adults (GutFood)Vitamin B9 · Biomarkers of B-vitamin Status and Gut Microbiome Composition · 84 participants planned · ClinicalTrials.govRecruitingImpact of a Novel Functional Snack on Perimenopausal Symptoms and Well-beingVitamin B9 · Perimenopause, Perimenopause-Related Depression, Mood · 20 participants planned · ClinicalTrials.govRecruitingFolic Acid Salt Study (FISFA Zambia)Vitamin B9 · Folate Deficiency, Neural Tube Defects · 250 participants planned · ClinicalTrials.govRecruiting