Director of Clinical Chemistry, University of Minnesota Medical Center, and Assistant Professor of Laboratory Medicine and Pathology, University of Minnesota High dose of biotin may cause interference ...

Taking biotin and collagen together also appears to be safe. However, research on the long-term use of these supplements ...

One important note: Excess biotin can also "cause incorrect results in certain laboratory tests that look at thyroid levels and blood markers that can help diagnose heart attacks," says Dr.

One important note: Excess biotin can also "cause incorrect results in certain laboratory tests that look at thyroid levels and blood markers that can help diagnose heart attacks," says Dr.