Selenocysteine Amino Acid: The Antioxidant Acid
 Selenocysteine is the protein, or food form, of the antioxidant selenium, and it is used in almost every cell process in the body. It is one of the only amino acids that is not directly coded into the genetic code, and no free pool of selenocysteine exists within cells to be used. This means that it is an essential amino acid and must be absorbed by cells and obtained through foods to maintain proper levels in the body.
Some foods that are high in selenocysteine include:
- Nuts
- Fish
- Poultry
- Wheat
- Pork
- Oats
- Seafood
- Dairy
The body uses the selenocysteine amino acid to produce selenium. It is believed that this may protect against mercury toxicity, and people with low levels of selenium in their body may be more prone to poor liver function, low muscle mass, premature aging, and even heart disease.
If you don't feel you are getting enough selenocysteine, contact your health care provider. He or she may be able to suggest a new diet plan or supplements to help raise your selenocysteine amino acid levels and help maintain your overall general health through positive lifestyle choices.
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