$23.59 $0.19 per serving
Product analysis
High Potency Biotin 5 mg may help brittle nails, although the supporting evidence is limited. Hair benefits mainly apply when low biotin contributes to shedding.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality100
Biotin is supplied as D-biotin, the biologically active form. That identifies a suitable nutrient form without establishing an extra benefit from a high amount.
Ingredient Transparency100
The sole active ingredient has its amount and form disclosed. That makes it straightforward to compare the serving with other biotin supplements.
Value For Money80
The cost for the amount of biotin provided compares favorably. Good affordability does not establish that a higher amount gives better results.
Customer Satisfaction86
Customer ratings are generally very positive across a substantial review base. That gives a broad picture of satisfaction without establishing nail or hair improvements.
Product Focus73
One biotin ingredient gives the formula a narrow nutritional focus. Brittle-nail findings remain uncertain, and benefits for hair and skin mainly concern low intake; the high serving does not establish greater benefit.
- Format
Capsule - Container
- 120 Capsule(s)
- Per serving
- $0.19
- Also available
High Potency Biotin 10 mg$19.91- Customer rating
- 4.6 · 4,329 ratings
Goals
Impact
Highest effect
Biotin · 5000 mcg
Biotin may help brittle nails, but the supporting studies were small and mostly uncontrolled, so durable improvements in nail strength are uncertain. The declared serving meets or exceeds the amount used in those studies; higher amounts do not establish a greater benefit.
How this product is rated for Nail Health
Ingredient fit96
Biotin provides the clearest nail-specific connection, with other ingredients and their amounts shaping how focused the formula is.
Goal fit
Biotin is the formula’s focused contribution, although it is linked to other goals too.
Dose adequacy
The biotin serving meets the study-linked amount comparison; higher amounts have no established added nail benefit.
Pathways70
The saved findings distinguish keratin-related cofactors, matrix support and structural protein supply; coverage is described separately below.
Depth
The strongest saved route concerns cofactors involved in forming nail keratin, led by biotin where its amount qualifies.
Breadth
Only the keratin-related cofactor route reaches the coverage criterion; structural protein supply and matrix support remain limited.
Evidence100
The saved ingredient and preparation findings must be read alongside the limited nail-specific human evidence.
Evidence strength
Biotin leads the saved finding, with expectations limited by small, mostly uncontrolled nail studies.
Studied preparation
The ingredients meeting the amount criterion are recognized in the preparation comparison; this does not strengthen the underlying nail studies.
Formulation logic100
The recognized ingredients need no missing partner, and no specified conflict was triggered.
Partner coverage
No required partner is missing for the recognized ingredients; this does not establish an added combination benefit.
Conflicts
None of the specified conflicts was triggered in the supplied findings.
Effective doses
All recognized ingredients reach the comparison’s minimum amount criterion, which is not a guarantee of nail improvement.
Impact
Moderate effect
Biotin supports normal metabolism, with dermatitis among the effects of deficiency. The 5 mg serving meets the saved amount comparison, but this does not imply a stronger skin benefit than nutritional adequacy. Its relevance remains limited to a narrow nutritional role.
How this product is rated for Skin Health
Ingredient fit96
1 ingredients relate to skin health, giving a focused selection. The assessed amounts meet or closely approach the full comparison amounts.
Goal fit
1 ingredients relate to skin health, giving a focused selection.
Dose adequacy
The assessed amounts meet or closely approach the full comparison amounts.
Pathways0
No meaningful contribution was identified across the assessed goal pathways.
Depth
No meaningful contribution was identified across the assessed goal pathways.
Breadth
The assessed contributions remain too limited to show meaningful breadth across the goal pathways.
Evidence54
Vitamin B7 (Biotin) provides the strongest evidence contribution in the saved assessment, with practical benefits dependent on the relevant nutritional or trial context. The ingredients contributing at assessed amounts meet the saved preparation criteria.
Evidence strength
Vitamin B7 (Biotin) provides the strongest evidence contribution in the saved assessment, with practical benefits dependent on the relevant nutritional or trial context.
Studied preparation
The ingredients contributing at assessed amounts meet the saved preparation criteria.
Formulation logic100
The relevant ingredients can contribute alone or have the partners required by the saved findings. No conflict was identified in the supplied checks. 1 of 1 relevant ingredients meet the saved minimum amount criterion.
Partner coverage
The relevant ingredients can contribute alone or have the partners required by the saved findings.
Conflicts
No conflict was identified in the supplied checks.
Effective doses
1 of 1 relevant ingredients meet the saved minimum amount criterion.
Impact
High effect
Biotin · 5000 mcg
Biotin can help when deficiency contributes to diffuse shedding, with a separate limited role in rare hair-shaft disorders. The supplied information does not establish regrowth in adults whose intake is adequate. The 5000 mcg selected serving reaches the comparison endpoint, but this does not show that a high amount improves hair outcomes or adds benefit beyond correcting low intake.
How this product is rated for Hair Health
Ingredient fit96
The formula centres on its relevant ingredients. The selected serving reaches this ingredient's amount comparison endpoint, which does not establish a proven hair-treatment dose.
Goal fit
The relevant ingredients are the focus of this formula, although their links to other goals also affect the saved finding.
Dose adequacy
The selected serving reaches this ingredient's amount comparison endpoint, which does not establish a proven hair-treatment dose.
Pathways0
No contribution is assigned to the tracked androgen, hair-fibre, antioxidant or stress-hormone pathways. Nutrient relevance does not automatically translate into coverage here.
Depth
No contribution was assigned to the four tracked hair pathways.
Breadth
No tracked pathway reaches the comparison's coverage threshold.
Evidence80
Vitamin B7 (Biotin) leads the saved evidence finding. Preparation matching does not establish routine hair regrowth.
Evidence strength
Vitamin B7 (Biotin) provides the strongest qualifying evidence contribution here; the supplied scientific limitations still constrain expected hair benefits.
Studied preparation
The qualifying ingredients meet the saved preparation criterion; this does not remove the supplied limits on hair-outcome evidence.
Formulation logic100
Partner requirements are met and no configured conflict is matched. All ingredients included in the amount rule reach its threshold.
Partner coverage
The relevant ingredients meet the saved partner requirements or are treated as able to contribute without a partner.
Conflicts
No configured ingredient conflict was matched; this finding does not establish overall safety or individual suitability.
Effective doses
All ingredients included in this rule meet its amount threshold; this is a comparison finding, not proof of clinical effectiveness.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Biotin (D-Biotin) | 5000 mcg |
Biotin (D-Biotin) · 5000 mcg OverallScore96
Each serving provides 5,000 mcg of D-biotin, the biologically active form. A serving costs about $0.20.
How this ingredient is rated
Active Ingredient Quality & Bioavailability100
The label identifies D-biotin, the biologically active form. The saved facts identify no artificial colors or sweeteners.
Biologically Active d-Biotin Isomer
The label identifies D-biotin, the biologically active form.
Excipient Purity
The saved facts identify no artificial colors or sweeteners; added sugar is not established.
Dose, Safety & Label Transparency100
The label states 5,000 mcg of biotin per serving, a higher amount.
Biotin Potency for Health Goals
A serving supplies 5,000 mcg of biotin, a higher amount.
Label Transparency & Exact Disclosure
The biotin amount is separately disclosed as 5,000 mcg per serving.
Value80
The equivalent cost is about $0.20 per 5,000 mcg of biotin.
Price per 5,000 mcg Biotin
The equivalent cost is about $0.20 per 5,000 mcg of biotin.
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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.