Glucosamine is a compound that naturally occurs in the body and other places in nature. In humans, it plays a role in forming cartilage. Glucosamine is often used as a dietary supplement to treat osteoarthritis, but there are questions about its effectiveness. Furthermore, some research suggests that glucosamine may be useful in treating other conditions, as well.
The most common form of glucosamine used in supplements is glucosamine sulfate, which is generally safe, though there are possible side effects. Glucosamine supplements are recommended for people with arthritis who require an over-the-counter pain reliever. But doctors often caution patients to be careful when choosing glucosamine products, as dietary supplements are not regulated, and the labels are often inaccurate.
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