Biotin, marketed for hair and nails, could skew some medical test results, researchers warn

Biotin, or vitamin B7, is in fashion because of claims it can help people grow better hair and nails. But patients need to be aware that the supplement can interfere with some important lab tests, including those diagnosing heart attacks and thyroid issues, researchers warn.

from CBC | Canada News https://ift.tt/2CdFc20