Vitamins are crucial to the human body, but high doses can be harmful. Symptoms of vitamin overdose can range from mild (stomach upset or a skin rash) to severe (liver damage, seizures, or stroke).

Vitamins are often seen as harmless, but taking too much can cause serious health problems. Some vitamins build up in the body over time, while others can trigger toxic effects at high doses. This ...

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 ...

Which food comes to mind first when you think of vitamin C? Lemons? Oranges? Tangerines?Although all citrus fruits are good sources of the essential micronutrient, they actually sit somewhere in the ...

The NHS recommends vitamin D supplements from October to March, but warns taking too much over a long period can cause hypercalcaemia ...