a vital amino acid and an essential component of necessary protein. Lack of arginine in the diet impairs growth, plus in males it reduces the sperm fertility. Arginine will come in turkey, chicken, as well as other meat, so that as L-arginine in supplements. Babies produced without chemical phosphate synthetase have arginine deficiency syndrome; adding arginine with their diets permits normal development and development.
a bitter tasting amino acid within proteins and required for nutrition; its lack from diet contributes to a lower production of spermatozoa