Quest Triple Strength Glucosamine - Heal and maintain joints and cartilage tissue naturally with Quest Triple Strength Glucosamine. Glucosamine Sulfate is a naturally occurring amino sugar found in all tissues of the body, and an integral part of the connective substances which holds tissue cells together. Double-blind studies have shown GLS to relieve pain and inflammation in joints by helping the body repair the damaged joints, and is an excellent supplement for those prone to arthritis and injuries. The repair process can take several months, so pain relief comes slower than traditional alternatives, however, studies have shown GLS to be superior in relieving pain with no side-effects. Quest Glucosamine Sulfate comes in a convenient, high-dosage form of 1500 mg tablets.