This is a water-soluble vitamin, which means you just pee out the excess, says Rosenbloom. The upper tolerable limit is 100 mg day, and in pill form it's easy to get that much. "In high doses ...

Still, the FDA does exempt certain approved drugs ... the pill in question might not be an FDA-approved drug. A pill without an imprint code could be a: Vitamin Supplement Illegal drug Medication ...

Nearly half of us take a vitamin and/or mineral supplement every day according to Mintel. Many of us aren't taking them to treat a deficiency – we're popping pills in the belief they will boost ...

So, does that mean we should be taking supplements ... “However, we can’t assume that everyone who is on the pill will have a vitamin or mineral deficiency. It’s a very complex chemistry ...