The Buffalo Bills quarterback has partnered with Natrol to promote its Sleep & Restore series of calming drink mixes, melatonin gummies and capsules.

A woman in her 50s takes supplements such as protein powder, fiber, and collagen to build muscle and improve her overall health.

Last month, it released a commercial with Allen, 29, as the pitchman for the supplement blend, Natrol Sleep & Restore. It continues a trend of national brands looking to link up with Allen.

As supplements grow in popularity, doctors say there's been a rise in liver injuries related to some of them. NBC News' Emilie Ikeda has the story.

“Glamour” beauty editors tried fiber supplements for two weeks—and were seriously surprised by the results. Ahead, everything you need to know.

A supplement is making waves in the wellness world for its ability to boost cognitive function — and potentially help keep it sharp as you age.

The US Food and Drug Administration (FDA) has issued an urgent warning about tianeptine—a substance marketed as a dietary supplement but known on the street as "gas station heroin." ...

Supplements such as curcumin, vitamin D, inositol, berberine, and chasteberry may help improve PCOS symptoms, especially when combined with lifestyle modifications.

Josh Allen's new partnership with Natrol has the quarterback excited about the coming season In his new commercial for the sleep supplement, the NFL star plays multiple roles The Buffalo Bills ...

The Buffalo Bills quarterback tells PEOPLE in an exclusive interview that his new partnership with sleep supplement Natrol is the real deal after he first used the product while flying home from ...