Avocado Soy Unsaponifiables (ASU) are natural vegetable extracts made from avocado and soybean oils. They contain anti-inflammatory substances known as phytosterols. Phytosterols (plant sterols) from ASU preparations are thought to be the primary sources of protective activity for cartilage-producing cells. ASU reduces damage to cartilage by increasing the synthesis of collagen and proteoglycan (aggrecan), and [. . . more]
