ABSTRACT
Glutamine was first isolated in 1883 from beet juice. Glutamine is one of the most abundant free amino acids in the human body (muscle and plasma), comprising approximately 50% of the free amino acid pool in the blood and skeletal muscle.
Glutamine was first isolated in 1883 from beet juice. Glutamine is one of the most abundant free amino acids in the human body (muscle and plasma), comprising approximately 50% of the free amino acid pool in the blood and skeletal muscle.