Selenium Supplements (Systemic)

Side Effects of This Dietary Supplement

Along with its needed effects, a dietary supplement may cause some unwanted effects. Although selenium supplements have not been reported to cause any side effects, check with your health care professional immediately if any of the following side effects occur as a result of an overdose:

Symptoms of overdose

Diarrhea; fingernail weakening; garlic odor of breath and sweat; hair loss; irritability; itching of skin; metallic taste; nausea and vomiting; unusual tiredness and weakness

Other side effects not listed above may also occur in some individuals. If you notice any other effects, check with your health care professional.