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Biotin

14 benefits mapped to clinical evidence across supplements.

Serves the goals:Bone & JointEnergyEssential HealthFertilityHair & Skin

Benefit Evidence

Nutrient uptake
Moderate

Biotin status ↑, deficiency markers ↓

Catabolites ↑; uptake ~100%

Absorption/excretion ↑

+100% bioavailability

Deficiency markers ↓

462 people
Metabolism
Moderate

Biotin turnover +69%

Blood biotin +51%

Triglycerides/VLDL ↓

Carboxylases ↑ biotin status

Lipids ↓ ~0.5-0.9

Growth/FPD improved

908 people
Hair & Nails
Weak

Hair shedding↓

Hoof growth +15%

Nail severity↓62%

Hair growth +11.9%

Nail severity -57%

142 people
Acne
Weak

FPD -16.5

Growth improved

Lesions reduced

2,592 people
Weight management
Weak

Growth + lesions

+0.180 mg/kg

2,592 people
Energy & Fatigue
Weak

Better glycemia, +1.76% HbA1c

Lipids improved in subgroups

Energy/Fatigue: biotin support

Energy/Fatigue: deficiency −54%

795 people
Nerve health
Weak

Biotin: enzyme support

MS: slower disability

+25% mortality reduction

194 people
Pregnancy support
Weak

Pregnancy needs ↑ biotin

Lactation excretion ↑69-76%

Supplementation lowers 3-HIA

174 people
Tissue repair
Weak

CAL +0.93 mm

Vitamin levels maintained

129 people
Wellbeing
Weak

Biotin turnover ↑69%

Hoof growth +15%

117 people
Skin appearance
Weak

Hydration/elasticity +28%

Smoother, denser skin

72 people
Hair growth
Weak

Reduced shedding, +density

Growth boosted with minoxidil

50 people
Scalp health
Weak

Less shedding, denser scalp

+ terminal/vellus ratio

50 people
Blood sugar
Weak

Triglycerides/VLDL ↓

Carboxylase markers ↑

33 people

Similar by evidence

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

Inositol

Shares 7 benefits: acne, blood sugar, energy & fatigue, hair & nails

Lysine

Shares 6 benefits: energy & fatigue, hair & nails, metabolism, nutrient uptake

Vitamin D

Shares 6 benefits: energy & fatigue, nerve health, nutrient uptake, pregnancy support

Butyrate

Shares 6 benefits: blood sugar, energy & fatigue, metabolism, nutrient uptake

Essential Amino Acids

Shares 6 benefits: energy & fatigue, hair & nails, metabolism, skin appearance

Iodine

Shares 5 benefits: energy & fatigue, hair & nails, metabolism, nutrient uptake

Products with Biotin

Search all

549 products whose verified label declares Biotin — not every bottle that mentions it in a title.

Happy V

Happy V Dr. Formulated Vaginal Probiotics for Women Odor & Itch

Biotin · Lactobacillus acidophilus (as LA-14°) 8 · Bifidobacterium lactis (as HN019™) 3 +5 more

$44.99Probiotics

Emergen-C

Emergen-C Vitamin C 750mg Immune Support Gummies, Mixed Fruit

$12.98Elderberry

Vitafusion

Vitafusion Fiber Well Fit Gummies Sugar Free

Niacin 10 mg NE ¡ Vitamin B6 1.7 mg ¡ Folate 330 mcg DFE +4 more

$12.48Dietary Fibers

OLLY

Olly Tropical Twist Adult Multi + Probiotic Gummies, 70 CT

Vitamin A 450 mcg ¡ Vitamin C 45 mg ¡ Vitamin D 25 mcg +14 more

$18.88Acidophilus

Stonehenge Health

Stonehenge Health Dynamic Brain

Vitamin A 180 mcg RAE ¡ Vitamin C 90 mg ¡ Vitamin D3 4 mcg +38 more

$58.00Bacopa Monnieri

NOW Foods

NOW Foods Supplements, Vitamin B-100, Energy Production*, Nervous

Thiamine 100 mg ¡ Riboflavin 100 mg ¡ Niacin 100 mg +8 more

$13.02Diet & Sports Nutrition

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.

Alleviation of Alopecia in Breast Cancer Patient Using Synbiotics FormulaBiotin ¡ Breast Cancer, Hair Loss ¡ 40 participants planned ¡ ClinicalTrials.govRecruitingWide Spectrum Micronutrients Supplementation in Patients With Cancer Related Fatigue During Neoadjuvant and Adjuvant ChemotherapyBiotin ¡ Fatigue, Breast Cancer ¡ 92 participants planned ¡ ClinicalTrials.govRecruiting