Note: The U.S. Food and Drug Administration (FDA) does not approve supplements for safety or effectiveness. Talk to a healthcare professional about whether a supplement is the right fit for your ...

Medically reviewed by Alex Yampolsky, PharmD Key Takeaways Too much magnesium, usually from supplements, can cause diarrhea, ...

Although we frequently discuss the importance of working with your doctor to stay on top of—and try to prevent or remedy—deficiencies, there can be too much of a good thing when it comes to vitamin ...

From vitamin D sprays to magnesium capsules and greens powders that promise to help you feel both strong and nourished, millions of us now reach for supplements in the hope of boosting our health. But ...

Many people assume that nothing bad can come from taking vitamins. After all, they are found naturally in healthy foods, so how could they be unhealthy in pill form? While perhaps not unhealthy, it is ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." Many people assume that nothing bad can come from taking vitamins. After all, they are found naturally in ...

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 ...

Once marketed solely to enhance hydration during workouts, electrolyte powders have now gone mainstream — makers promise they'll help you stay hydrated anytime, anywhere. But do you really need an ...