Source Naturals N-A-G N-Acetyl Glucosamine Supplement Vitamin | 500 mg | 120 Tabs. Amino sugar formed from l-glutamine and glucose o Supports healthy development of connective tissues o 500 mg of NAG per serving o o Source Naturals N-A-G N-Acetyl Glucosamine Supplement Vitamin | 500 mg | 120 Tabs o Sold by Swanson Vitamins... - Source Naturals N-A-G N-Acetyl Glucosamine Supplement Vitamin | 500 mg | 120 Tabs.
