Glutam Supports Muscle Cell Recovery Restores Glutamine Levels Naturally & Artificially Flavored Dietary Supplement 50 Servings Manufactured in a GMP Compliant Facility Cor-Performance Series Nutrabolt Glutamine is the most abundant free amino acid in the body. During prolonged periods or strenuous exercise. glutamine levels may drop, causing the stress to the body and leading to muscle breakdown. COR-Performance Glutamine is a great choice after a workout to help the body replenish glutamine levels which play a role in protein synthesis and muscle cell recovery.