The dosage of the supplement is also an important ... The most effective joint supplement is one that contains a combination of glucosamine, chondroitin, MSM, and turmeric. These ingredients ...

and the recommended dosage may vary depending on your needs. Another factor to consider is whether the chondroitin supplement is paired with other ingredients, such as glucosamine or MSM.

Glucosamine sulfate is typically taken once daily in a dose of 1,500 mg. If this upsets your stomach, spread it out over 3 doses of 500 mg each. Like glucosamine, chondroitin is a building block ...

Consumer Reports tests to see which glucosamine and chondroitin supplements deliver what they promise.

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.