Nature39s own vegan d glucosamine hcl 500mg the chloride form of n acetyl glucosamine is the newest and purest form of glucosamine and the form now preferred by the medical profession for long term use when there is excess wear more raw material is needed for repair of the joints and surrounding structures if body chemistry is unbalanced it may be that insufficient glucosamine is formed which limits our ability to repair wear and damage equally as we age the enzyme glucos