Doctors Warn This Popular Vitamin Could Quietly Disrupt Cancer Treatment
Doctors Warn This Popular Vitamin May Quietly Disrupt Cancer Care The bottle looked harmless. It sat beside the sink between toothpaste and a hairbrush. Tiny pink capsules promising stronger nails, healthier hair, glowing skin. The kind of supplement millions of people take without a second thought. But inside cancer clinics, some doctors are asking patients an unexpected question: “Are you taking biotin?” Not because biotin is evil. Not because vitamins are suddenly dangerous. But because during cancer treatment, even something as ordinary as a vitamin supplement can quietly complicate the picture in ways most people never imagine. And for patients already carrying the emotional weight of scans, blood tests, and treatment decisions, that hidden interference matters. The Vitamin Nobody Thinks Twice About Biotin, also called Vitamin B7, has become one of the most popular beauty supplements in the world. It appears in: Hair growth gummies Nail-strengthening vitamins Skin supp...
