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Biotin

About

Biotin, or vitamin H, is an important compound found in the blood. It is crucial for helping the liver, eyes and nervous system to function properly. It also has a role in keeping hair and nails healthy.

What might a low result mean?

Low levels of biotin can be caused by Crohn's disease, prolonged oral antibiotic therapy and pregnancy.

What might a high result mean?

Elevated levels of biotin can be caused by excessive intake of the vitamin, for example by taking too many supplements.