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.

Americans have their choice of up to 100,000 different dietary supplements, from vitamins and minerals to herbal options and products promising weight loss and a toned body. Nearly 75% of Americans ...

If you open your medicine cabinet, chances are there’s at least one dietary supplement in the mix. Supplements have become a staple in our wellness routines, especially among older adults aiming to ...

Some Michiganders have turned to supplements this cold and flu season to bolster their body’s defenses. While vitamins can help boost the immune system, too much of a good thing can have negative ...

Can you take too many vitamins? As a general rule, not getting enough nutrients in one's diet is a broader area of concern than getting too many, which is why more research exists on that front. "We ...

Dietary supplements have become popular among Americans. But too much of supplements, including fish oil and vitamin D, can be harmful. A toxicologist shared the side effects of overdoing some of the ...

These days, a humble multivitamin simply won’t cut it, and we’re all popping plenty of pills. But how many supplements is too many? Registered dietitian Kate Hilton, founder of Diets Debunked, shares ...

Supplements have exploded in popularity over the past two decades, but a lack of regulation, and a spike in the amount of products available, may be leading people to overdo it. Note: The U.S. Food ...

Carrie Madormo, RN, MPH, is a health writer. She has over a decade of experience as a registered nurse, practicing in a variety of fields, such as pediatrics, oncology, chronic pain, and public health ...

Insider spoke with three sleep medicine experts about common physical signs of melatonin supplement overuse. Nausea, moodiness, and a loss of balance are all side effects from taking too much ...