Selenium

Function
Has antioxidant properties and is associated with fat metabolism.

Overconsumption Syptoms
The amount of selenium required to cause toxicity in humans is not known. Excess selenium intake can cause problems with the strength of teeth and the tooth enamel, and may cause hair and nail loss.

Deficiencies
Keshan disease has been documented as being caused by a deficiency of selenium.

Sources
Fish, shellfish, red meat, grains, eggs, chicken, liver, and garlic.

Unit of Measure
mcg

This brief and partial description is provided for information purposes only. Vitamin and mineral descriptions may not list all symptoms of overconsumption or deficiency. Please consult your doctor for more information. Source: MedlinePlus, Mayo Clinic