Sources
Selenium is an essential trace element in animals and humans. It has irregular distribution on earth, with selenium-poor areas showing higher rates of cancer and heart disease. The element is a well-known anti-oxidant, but has many other functions including that of an anti-inflammatory agent, maintenance of healthy eyes, hair and skin, preservation of a healthy immune system and proper liver function, protection against toxic mineral but also toxins produced by the body, defence against cancer and heart disease. Selenium foods are organ meats, fish and shellfish, whole grains, yeast, cereals, dairy products, vegetables and fruits.
Uses
- Angina
- Arthritis
- Cataracts
- Detoxification of arsenic, cadmium and mercury
- High blood pressure
- Keshan disease (congestive heart disease affecting children)
- Skin, nail and hair problems
Interactions
Selenium is known to enhance and preserve vitamin E, with which it acts synergistically; i.e. the combination is superior to their additive effect.
Safety
Excess intake is unlikely, and may be detected by a garlic-like breath in the absence of garlic.