Cysteine is a non-essential amino acid. It is an amino acid naturally found in grasses and grains. It is also obtained from animal hair or chicken feathers. Cysteine is highly soluble in water. Like methionine, cysteïne is one of the two natural amino acids that contain sulfur.

What is the function of Cysteine?

Cysteine helps to strengthen the protective layer of the stomach and intestines. Cysteine ensures better resistance and helps in the functioning of the heart and blood vessels.