Product analysis
Biotin 5000 mcg offers an inexpensive, focused option that may help brittle nails, although the evidence is limited. Its role in hair support is most relevant when low biotin contributes to shedding.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality20
The biotin preparation is not fully specified. Its exact form is therefore harder to compare with clearly identified alternatives.
Ingredient Transparency63
The biotin amount is clear, but its exact form is not disclosed. Quantity comparisons are straightforward, while preparation comparisons are less clear.
Value For Money100
The declared biotin serving offers very good value. The low cost does not mean that more biotin brings greater nail or hair benefits.
Customer Satisfaction94
Customer feedback is very positive across many thousands of ratings. The large review base supports confidence in satisfaction without proving cosmetic benefits.
Product Focus73
One active keeps the purpose focused on biotin nutrition. Brittle-nail support has limited evidence, while hair and skin benefits are most relevant when biotin intake is inadequate.
- Format
Capsule - Container
- 100 Capsule(s)
- Per serving
- $0.10
- Customer rating
- 4.8 · 19,488 ratings
Goals
Biotin has limited evidence for improving brittle nails and nail growth, based largely on small studies with weak controls. The 5000 mcg per serving reaches the reviewed amount comparison, but higher amounts have not shown additional nail benefit. A serving does not establish the sustained daily regimen used in those studies.
How this product is rated for Nail Health
Ingredient fit96
Goal fit
Dose adequacy
Pathways70
Depth
Breadth
Evidence100
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
Biotin can help address shedding caused by biotin deficiency and has limited evidence in rare hair-shaft disorders. This serving receives full amount recognition in the saved comparison, but its high biotin content does not establish additional hair growth when intake is adequate.
How this product is rated for Hair Health
Ingredient fit96
Goal fit
Dose adequacy
Pathways0
Depth
Breadth
Evidence80
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
Biotin helps maintain normal skin, and deficiency can cause a scaly rash. The 5,000 mcg amount is much larger than normal nutritional needs, with no established extra skin benefit for someone whose biotin intake is adequate.
How this product is rated for Skin Health
Ingredient fit96
Goal fit
Dose adequacy
Pathways0
Depth
Breadth
Evidence54
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Biotin | 5000 mcg |
How this ingredient is rated
Active Ingredient Quality & Bioavailability82
Biologically Active d-Biotin Isomer
Excipient Purity
Dose, Safety & Label Transparency100
Biotin Potency for Health Goals
Label Transparency & Exact Disclosure
Value100
Price per 5,000 mcg Biotin
Alternative products
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
- Low serum biotinidase activity in children with valproic acid monotherapy.
- Vitamins A, B, C, and D: A Short Review for the Dermatologist.
- The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
- Biotin for the treatment of nail disease: what is the evidence?
- Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy.
- Treatment of brittle nail with a hydroxypropyl chitosan-based lacquer, alone or in combination with oral biotin: A randomized, assessor-blinded trial.
- Vitamins and minerals: their role in nail health and disease.
- Evaluation of biophysical skin parameters and hair changes in patients with acne vulgaris treated with isotretinoin, and the effect of biotin use on these parameters.
- Generalized seborrhoeic dermatitis. Clinical and therapeutic data of 25 patients.
- Holocarboxylase synthetase deficiency: novel clinical and molecular findings.