Generally, glucosamine is safe and well-tolerated. There is a risk of an allergic reaction. Common side effects include nausea, vomiting, abdominal pain, and diarrhea. Chondroitin has also been shown to be safe. Like glucosamine, chondroitin is also associated with stomach pain, nausea, and diarrhea. It has also been associated with headaches and irregular heartbeat.
About the Author: Paul Norio Morton, MD
Dr. Paul Norio Morton is a Board Certified Orthopedic Surgeon that practices on Oahu and the Big Island. He treats a broad range of orthopedic conditions including arthritis, sports injuries, hip and knee replacements, trauma, and robotic joint arthroplasty. He believes in treating his patients with a holistic approach – incorporating patient’s desires and expectations into the treatment of their musculoskeletal problems.