Biotin supplement tablets in various shapes, used for supporting keratin production and healthy skin.

Biotin

Also known as: Vitamin H, Vitamin B7, Coenzyme R, D-Biotin, Biotinamide, Delta Biotin, Biotin sulfone

Biotin, also known as vitamin B7 or vitamin H, is a water-soluble vitamin in the B-vitamin family that plays a vital role in overall health. It is commonly found in various foods including eggs, nuts, seeds, and certain vegetables. Biotin is essential for converting food into energy, supporting healthy skin, and promoting the growth of hair and nails. Many individuals choose to supplement with biotin to enhance hair thickness and quality or to strengthen their nails. While the majority of people receive sufficient biotin through their diet, supplements may be beneficial for those with specific...

Potential Side Effects

Side effects score: 3; Biotin is generally considered safe for most people, but taking high doses may result in skin rashes, digestive upset, and can interfere with laboratory test results. Although rare, allergic reactions are possible and may present as itching, swelling, or difficulty breathing.

Health Categories

View efficacy ratings for Biotin across multiple health categories.

Research & Evidence

Our efficacy ratings are based on scientific research and clinical studies.

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