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

Taking too much vitamin D can cause serious side effects. Learn the signs, why you might feel weird after taking it, and when to talk to your healthcare provider.

Taking high-dose vitamin E supplements long-term can cause serious side effects like bleeding, stroke, and heart failure. Learn safe dosing and warning signs.

Medically reviewed by Lindsay Cook, PharmD Magnesium citrate helps relieve occasional constipation by increasing water in the ...

Vitamin D and iron are two nutrients that many people in the U.S. don’t get enough of. One in four people in the U.S. don’t get enough vitamin D while 10 million people in the U.S. are deficient in ...

Magnesium glycinate can cause mild digestive side effects like diarrhea, gas, and bloating, but these tend to be gentler ...

While prenatal vitamins help ensure you and your growing baby get the nutrition you need during pregnancy, they can cause some unpleasant side effects. "After all, pregnancy and nursing take a lot out ...

Dietary supplements are products like vitamins, minerals, and herbs that claim to promote wellness. Many of these supplements do have known benefits, but there are also risks you should know about.

Medically reviewed by Leigh Weddle, PharmD Fish oil is a dietary supplement rich in omega-3 fatty acids, which have been ...