The glucosamine in Jarrow Formulas Glucosamine HCI Mega is an aminosaccharide bound to HCl (hydrochloric acid). Glucosamine is a component of joint and intestinal tissue and is involved in the production of synovial fluid, which lubricates the joints.* Glucosamine is converted to N-acetyl-glucosamine in the intestines by the goblet cells.* Glucosamine HCl is Salt Free
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