Glucosamine

[Gregory]

Glucosamine is extracted from a material (chitin) present in the shells of crabs, oysters, and shrimp. Glucosamine is taken in tablet or capsule form, usually as glucosamine sulfate, but sometimes as glucosamine hydrochloride. Glucosamine often is taken with chondroitin sulfate.

(See also Overview of Dietary Supplements.)

[Becky]

The [primary] [component] of [joint juice].

[Britney]

A crystalline compound which occurs widely in connective tissue, especially as a component of chitin.