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Biotin
Updated 3/9/2026
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Hair
Skin
Nails
Metabolism
Energy
Blood sugar
Gut Health
Mitochondria
Research Summary
Biotin, also known as Vitamin B7 or Vitamin H, is a water-soluble B-complex vitamin that serves as an essential micronutrient. It acts as a vital cofactor for carboxylase enzymes involved in fatty acid synthesis, gluconeogenesis, and amino acid metabolism. While naturally found in eggs, nuts, and organ meats, and synthesized by gut microbiota, it is one of the most popular supplements for hair, skin, and nail health.
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The information provided on this page is NOT medical advice. Please consult a doctor before using a product or making lifestyle changes.