(Zycal Bioceuticals) Contains Bone Morphogenetic Proteins or BMP’s in Cyplexinol, the active ingredient. It works by binding to receptors on the joint’s key stem cells, naturally activating them and turning them into chondrocytes (cartilage building cells). Chondrocytes can now absorb glucosamine and chondroitin, building them into cartilage. Bone tissue can also grow, allowing calcium and minerals to adhere and build a strong matrix. For best results, take with a glucosamine/chondroitin supplement and a calcium/mineral product. 1 daily.