When on a cleaning spree, you may sometimes find bottles and supplements that have passed their expiration date. While your gut reaction might be to toss them in the trash, if you take a closer look, ...

When you buy a bottle of vitamins from a nutrition store, you’ll probably notice a best-by date on the bottom of the jar. But that inscribed number isn’t a hard-and-fast rule—there is some nuance to ...

I feel sort of stupid asking this, having a degree in molecular and cell biology, but hey, I'm no pharmacist, nor am I a biochemist. What exactly is the expiration date on vitamins for? I could of ...