Excess biotin can skew lab tests, have unintended effect

ASK THE DOCTORS

Dear Doctor: I’ve been taking biotin for my nails, but I’ve read that it can mess up the results of important lab tests. Should I stop taking it? Dear Reader: Biotin is one of the eight B vitamins, each of which plays an essential role in cell

function. Also known as vitamin B7, biotin helps the body break down and absorb fatty acids, glucose and amino acids. (Basically, energy prod…