The end of the hard bone is covered by cartilage, which is act as the shock absorber. While the synovial fluid in the joint acts as the lubricant of the joint, and protect the cartilage. We need to well-protection of our joints before they damage and injury, so that we can have smooth joint movement during our daily life. Relieves joint pain in seven days Product Usage For adults: take 2 – 3 capsules per day after meal.For long term problem sufferer, take 2 – 3 capsules twice a day after meal. Warnings This product contains Crustacean.