Biotin
Also known as: Vitamin B7, Vitamin H
Effective Dosage
30-100 mcg daily
✓ What the Science Says
Biotin is essential for the metabolism of carbohydrates, fats, and proteins, and plays a crucial role in maintaining healthy skin, hair, and nails. Multiple systematic reviews and clinical trials support its effectiveness in preventing biotin deficiency and promoting overall health.
✗ What It Doesn't Do
Biotin is often marketed as a miracle supplement for hair growth and skin health, but there is limited evidence to support these claims for individuals without a deficiency. Additionally, it does not replace a healthy diet or lifestyle.
Evidence-Based Benefits
Biotin is essential for the metabolism of carbohydrates, fats, and proteins, and plays a crucial role in maintaining healthy skin, hair, and nails. Multiple systematic reviews and clinical trials support its effectiveness in preventing biotin deficiency and promoting overall health.
Strong EvidenceEffective at: 30-100 mcg daily
Source: auto-research
Absorption & Bioavailability
Good - Biotin is well absorbed from food and supplements.
Red Flags to Watch For
- 🚩 Products claiming miraculous hair growth effects
- 🚩 High-dose formulations without scientific backing
- 🚩 Exaggerated claims of skin health benefits
Products Containing Biotin
See how Biotin is used in these analyzed products:
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-02-05