Even in a sun-drenched country like Israel, most people are deficient in vitamin D. But what must be added for it to actually work?

I'm a woman in my 50s and I've noticed within the last year my hair is getting thinner and thinner. What would help?

Can supplements help with diabetes? Learn about five supplements you should consider avoiding if you have diabetes.

When the days shorten and the sun sinks low in the sky, that familiar winter slump sets in. There’s a fundamental reason for ...