Most glucosamine is imported, and sourced from shellfish. Ours is not! NutraSense Glucosamine-ES is made exclusively with Cargill's Regenasure which is vegetarian, Kosher, USP grade & approved by the FDA. Glucosamine is naturally occurring in the body and is one of the major building blocks for the critical lubricants and shock absorbers necessary to maintain healthy joint performance. Supplement with 2 veggie caps per day for relief of joint pain & Inflammation.