Nature’s Way, GS-500, 240 Vegetarian Capsules
GS-500 has many advantages. It's up to 98% absorbable, so more glucosamine reaches the joint structures. Glucosamine sulfate has been clinically studied to build joint cartilage.&;
Products such as chondroitin sulfate, shark cartilage and other cartilage extracts are more difficult to absorb than glucosamine sulfate. Glucosamine sulfate has been shown to be up to 98% absorbable.&;
GS-500 is the original glucosamine sulfate product in the United States-the standard by which all the erst are judged.