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.

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 ...

Glucosamine is often combined with chondroitin, which is a major component ... The researchers found 1,500 milligrams per day to be safe and well tolerated. Research has found that glucosamine ...

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 ...

At recommended daily doses, most provide about 1,500 milligrams of glucosamine salt and 1,200 milligrams of chondroitin sulfate. People who are allergic to shellfish should consider avoiding ...