Biotin is a B vitamin (B7) that supports healthy hair, skin and nails and helps the body use energy from food. It is a popular supplement for hair and nail health.

What Biotin Is Used For

Supporting hair, skin and nail health
Treating biotin deficiency
General nutritional support

Common Side Effects

Generally very well tolerated
Occasional mild stomach upset

Precautions

Biotin is very safe, but it is worth knowing that high-dose biotin can interfere with some laboratory blood tests, including thyroid and heart tests – tell your doctor you take it before any blood test. A balanced diet usually provides enough. Stick to the recommended strength.

This page is general information only. It is not a substitute for advice from your doctor or pharmacist, and it does not include dosage. Always follow the directions given to you and read the leaflet inside the pack.