Some people use chromium supplements to build muscle or trigger weight loss.

Pregnant and breastfeeding women should not take chromium supplements.

But taking excessive chromium supplements can lead to stomach problems and low blood sugar (hypoglycemia).

But side effects from taking chromium supplements are rare.

Research so far suggests chromium supplements might improve sugar and fat metabolism problems in people with Turner's syndrome.

Don't take chromium supplements, if you already have kidney problems.

Don't take chromium supplements, if you already have liver disease.

Researchers reasoned that giving chromium supplements might lower that risk.

But so far, there is no reliable research showing that chromium supplements can prevent a heart attack.

If you have one of these conditions, be careful when using chromium supplements.