The FDA ust announced the most significant change in dietary supplement regulation since the Dietary Supplement Health and Education Act more than 25 years ago.

Results of a study suggest vitamin D, the sunshine vitamin, improves insulin sensitivity, lowers glucose levels, and reduces type 2 diabetes risk.

If you find expired supplements in your medicine cabinet, there's likely no risk in taking them, but you should still throw them out.

High doses of vitamin D may be necessary for patients who have nutrient malabsorption — just watch for these signs of vitamin D toxicity.

Supplements can help bridge certain vitamin and mineral gaps as you get older, but not all supplements may be right for you.

The gastrointestinal tract contains millions of tiny bacteria, which are beneficial and necessary for health. One way gut bacteria can be altered in a beneficial way is through the use of probiotics. Learn more about what they can do.

Is kratom a natural a dietary supplement with pain-relieving properties — or is it an addictive drug?

If you’ve lost that sizzle between the sheets, experts recommend that you rule out the possibility that your thyroid is the culprit.

These supplements can throw off your thyroid meds and make them ineffective.

Vitamin D supplements can cut the rate of potentially fatal inflammation of the airways by as much as 45 percent in people with COPD and vitamin D deficiency.