That expiration date on your vitamin bottle isn't quite what you think -- here's what science says about those supplements that might have been sitting in your cabinet for a little too long.

But that inscribed number isn’t a hard-and-fast rule—there is some nuance to it, which begs the question: Do vitamins expire, actually? Below, registered dietitians and a doctor explain the ...

Technically, yes, vitamins do expire. However, according to the Food and Drug Administration (FDA), vitamins do not require ...

Expired vitamins or supplements are not toxic, but they are less potent and effective. Taking less-potent vitamins can be dangerous if you need a certain dosage to treat a condition. To prevent ...

For home disposal, mix expired vitamins with undesirable substances like used coffee grounds or cat litter before sealing them in containers that prevent leakage. This approach deters accidental ...