Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more ...

Potential side effects caused by the popular exercise supplement creatine include weight gain, nausea, diarrhea, muscle ...

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.

What happens if your body has too much vitamin B12? Read on to find out the dangerous side effects of having excessive levels ...

Berberine side effects may include digestive problems, low blood sugar and blood pressure, headaches, and more. Ask your doctor if berberine is safe for you.

Research shows many benefits in the use of creatine supplements in women. Experts explain how to use creatine, what creatine ...

Supplements can support your health—but some carry serious risks. Reviewed by Dietitian Maria Laura Haddad-Garcia Supplements can cause heart, liver, kidney and digestive side effects. "Natural" doesn ...

Experts explain the science behind this supplement and why so many women are turning to creatine for a number of potetential ...

When diet and absorption is insufficient, iron supplements act as a safety net. While iron supplements are effective in ...

GLP-1 weight loss drugs such as Ozempic and Wegovy have taken the world by storm. But some side effects, from the accepted - ...

Hemp protein is packed with benefits. Research shows that hempseeds have a nutty taste and can provide essential amino and fatty acids, along with other minerals, fibers, and vitamins. The risk of ...