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General description	Hydrophilic glycosaminoglycan that build cartilage.
Found	- cartilages of vertebrates
Anti-aging role	- enhance cartilage elasticity and strength - enhance wound healing - build vitreous of the eye - build membranes of motile cells and tissue cells that grow - decrease osteoarthritis symptomes (injections) - maintain skin humidity, fullness and softness of the skin
Therapeutic doses	100-200 mg/day
Maximum safe level	Not established.
Side effects	- hyaluronic acid supplements often cause allergies
Other remarks	Hyaluronic acid: glucoronic acid i N-acetil-glucosamine

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