Glucosamine 1000 mg

Glucosamine 1000 mg and 4 near-identical products are sold under 4 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Glucosamine 1000 mg	The Vitamin Shoppe
Glucosamine HCl Mega 1000 mg	Jarrow Formulas
Glucosamine Hydrochloride 1000 mg (Shellfish-free)	Solgar
Glucosamine Sulfate 1000 mg	Solgar
Glucosamine Hydrochloride 1000 mg	Puritan's Pride