L-lysine is an essential amino acid, which is a physiological foundation stone for the proteins in the body and it is contained in high quantities in muscle tissue. The 9 essential amino acids cannot be produced by the body and must be absorbed through food, including sports nutritional supplements. Store outside the range of small children. The recommended daily consumption amount must not be exceeded. Dietary supplements should not serve as a replacement for a balanced and varied diet. Not suitable for children, adolescents, pregnant women and breastfeeding. Are you looking for a meaningful article description? A detailed and comprehensive representation of dietary foods is no longer possible according to the current EU law and the Health Claim Regulation. The Health Claim Regulation reg.