Our bodies produce less collagen as we age, so there is a huge market for collagen supplements. But should you be taking them?

If you’re over the age of 40, your natural melatonin has slowed production. So why not turn to a melatonin supplement as a replacement? Well, for starters, there’s little evidence that shows its worth as a sleep aid.

Early results of the REDUCE-IT study show that when combined with a cholesterol-lowering statin, the fish-oil drug Vascepa cuts rates of heart-related events.

Millions of people use probiotic supplements to enhance digestive health and counterbalance the effects of antibiotics, but are they beneficial? Maybe not.

A nutritionist answers your top questions about these popular supplements and the latest research, including: Are they really effective for digestive health conditions?

For the most part, vitamin D is a crucial part of managing your RA. However, too much vitamin D can actually be toxic. Find out if you're consuming the right amount.

Multivitamin and mineral supplements don’t help prevent heart attacks, strokes, or other cardiovascular events, according to a meta-analysis of 18 studies.

Your thyroid problem could be the culprit for that dry skin, hair loss, puffiness, and problematic nails. Here are some thyroid beauty tips, product recommendations, and approaches for specific hair, skin, and nail challenges.

In the world of rheumatoid arthritis, the subject of folic acid is forever tied to methotrexate. A discussion of one is incomplete without the other. This is because folic acid is said to aid against the side effects of methotrexate. But does it work...

Based on its presence in the news, it seems as if vitamin D is a cure-all for almost anything, including hangnails and a bad hair day. But what about RA?