Methionine is in its natural form, the L-form, a sulfur-containing α-amino acid.
The human body can not produce methionine itself. For this reason it is one of the essential amino acids: man must therefore ingested in the diet or through supplements.
The non-essential amino acid L-cysteine can only be created by a shortage of methionine will therefore also a cysteine amino acid ash rently be. From L-methionine
A degradation product of methionine and homocysteine supplementation of L-methionine can increase the homocysteine level in the blood. Hyperhomocysteinemia is a risk factor for atherosclerosis and thrombosis. This risk is mainly hereditary, but also determined hormonal. Vitamin B6 is required for the conversion of methionine to cysteine. Vitamin B6 in combination with folic acid is very effective to decrease. Homocysteine levels