Medically reviewed by Kristie Reed, PharmD Berberine side effects may include gastrointestinal issues, low blood sugar, low ...

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

Many people use zinc supplements to boost immunity or improve acne symptoms. Learn how much zinc is safe for you, and what to watch for if you use it long term.

Medically reviewed by Alex Yampolsky, PharmD Zinc is a mineral found in food and taken as a supplement. It can help with cold ...

Fish oil is generally safe but can cause side effects such as bad breath, diarrhea, unpleasant aftertaste, heartburn, and reduced immune function.

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

Learn about CJC 1295 peptide supplements that aim to reshape how men can approach muscle building, recovery, and growth ...

Androstenedione is one of those supplements that was peddled to athletes for years as a quick path to bulging muscles and high testosterone levels, but it comes with some serious side effects. Also ...

Does your performance supplement contain a side of the main ingredient in Viagra? According to the FDA, it might. Recent alerts from the Food and Drug Administration have warned that supplements ...