All of the tested products contain a combination of glucosamine salt ... Everyday Value Extra Strength (Whole Foods)—fell below their claimed levels of chondroitin, averaging only 79 to 87 ...

While the research on most supplements for joint pain is mixed, and the FDA doesn’t regulate supplements, fish oil, glucosamine, and chondroitin are among those that may help manage it.

Research is mixed on whether these supplements help with OA pain and stiffness, but they are safe to try. Glucosamine and chondroitin are popular supplements used to treat osteoarthritis (OA).

Each 8-ounce serving has 1,500 milligrams of glucosamine hydrochloride and 200 milligrams of chondroitin sulfate, along with green-tea extract and vitamins C and D. Orthopedic surgeon Kevin Stone ...

If you experience joint pain you may be tempted by supplements such as glucosamine and chondroitin, which are often taken together, or omega-3 pills such as fish oil. Last year, U.S. consumers ...

While chondroitin sulfate and glucosamine sulfate both have well-documented, beneficial effects in patients with osteoarthritis, the exact molecular actions of these drugs are also unknown.