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Vitamin B7 (Biotin)

Also known as Biotin

Half-life

~1

What is Vitamin B7 (Biotin)?

Water-soluble B vitamin acting as coenzyme for carboxylase enzymes. Essential for fatty acid, glucose, and amino acid metabolism.

How Vitamin B7 (Biotin) works

Covalently bound to carboxylase enzymes (pyruvate carboxylase, acetyl-CoA carboxylase, propionyl-CoA carboxylase) to enable CO2 transfer reactions in fat and glucose metabolism.

Benefits & uses

  • Hair/skin/nail support
  • Energy metabolism

Common uses: Hair and nail growth, fatty acid synthesis, glucose metabolism, gene regulation.

Vitamin B7 (Biotin) dosage

Typical dose
General: 1000–5000 mcg/day. Hair/nail: 5000–10,000 mcg. Stop 48 h before lab tests.

Vitamin B7 (Biotin) half-life

~1.5–2 hours (plasma)

Vitamin B7 (Biotin) side effects

Very safe even at high doses. Can interfere with thyroid and troponin lab tests.

  • Can cause false lab results (thyroid, troponin, TSH) — stop 48h before testing
  • No known toxicity
  • Very rare: acne-like rash at high doses in some individuals
  • Well tolerated

Warnings & monitoring

  • High-dose biotin can interfere with some lab tests (thyroid, troponin) — tell your doctor before bloodwork

Track Vitamin B7 (Biotin) in Protokol.

Log doses, model half-lives, check interactions, and line it all up against your bloodwork. Free on iPhone and Android.

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For research and educational purposes only. This page is not medical advice and is not a recommendation to use any compound. Many compounds listed are not approved for human use, and some are prescription-only or controlled in your jurisdiction. Dosing figures are reference or observational reports. Talk to a qualified healthcare provider before starting, stopping, or changing anything. Protokol is for tracking purposes only.