Too much vitamin D can harm your health. Know the warning signs, side effects, and safe ways to manage your vitamin D levels ...

DEAR DR. ROACH: Several years ago, in my early 80s, my gynecologist told me (like all women who mainly stayed indoors) that I should be taking 4,000 IU of vitamin D3 daily. Yet today, I read an ...

Vitamin D is essential for bone and immune health, but too much can be dangerous. Experts warn that excess supplementation can overload the kidneys and lead to serious damage.

Dear Dr. Roach: Several years ago, in my early 80s, my gynecologist told me (like all women who mainly stayed indoors) that I should be taking 4,000 IU of vitamin D3 daily. Yet today, I read an ...

While most people don’t get enough vitamin D—a nutrient that’s crucial for bone and muscle health—it is possible to get too much. This can happen if you are taking multiple vitamin D-containing ...

Vitamin D is a real multitasker. It “helps your body absorb calcium, which is essential for strong bones and teeth and helps prevent rickets in children and osteoporosis in adults,” Nicholas Rush, a ...