Taking too many vitamins and supplements may cause health problems, including vitamin toxicity, interactions, ...

Supplements such as vitamin E, ginkgo, garlic, ginger, and omega-3s are among those that can interact with blood-thinning medications.

DEAR DR. ROACH: I am a 62-year-old female. After about two weeks (sometimes less) of taking water-soluble vitamin supplements, I experience severe abdominal discomfort or a burning sensation. It feels ...

“Leafy greens like spinach, kale, and broccoli [and Brussels sprouts] are full of vitamin K, which plays a big role in ...

Taking too much vitamin D causes side effects like nausea, vomiting, weakness, and abdominal pain. The average adult should take no more than 4,000 international units of vitamin D daily. Vitamin D ...

If you've ever woken up in the middle of the night with sudden painful thigh, calf or foot cramping, you'll know just how awful the experience is – and, unfortunately, the frequency of these nighttime ...