Excessive vitamin D supplementation can lead to serious health issues, including digestive problems, dangerously high calcium ...

Vitamin A is essential for body functions, including supporting vision and the immune system. You get it as provitamin ...

Every sunshine comes with its fair share of rain.Vitamin D, which has long been celebrated as the “sunshine vitamin” — vital ...

Take vitamin D supplements only under medical guidance, follow prescribed doses, and get regular blood tests to monitor vitamin D and calcium levels.

Doctors recommend you get 65 to 90mg of vitamin C per day. Taking over 2,000 mg of vitamin C supplements can result in ...

Fredric Gorin, Sarah Torres, and Pamela J. Lein discuss the implications of vitamin A supplementation during a recent measles ...

Coming in as the most vitamin A–rich food, three ounces of pan-fried beef liver contain 6,582 micrograms (mcg) of the vitamin ...

The recommended daily amount of vitamin C for adults is 90 mg. Overloading yourself with vitamin C is unlikely, since our ...

Are you consuming too much vitamin B12? Here are some of the warning signs that your body may send when you have too much ...

It’s easy to think that eating healthy means you can’t go wrong – but that’s not quite true. Even the most wholesome foods ...

Since vitamin D accumulates in the body, taking a high-dose supplement may lead to vitamin D toxicity. This causes nausea, vomiting, and weakness.

You might be surprised to learn that your body can only absorb so much calcium from a supplement at once, so taking a higher ...