Natural Factors BioSil Bone Collagenizer Classic is clinically proven to increase bone collagen formation, increase calcium binding sites, promotes bone pliability, increase bone mineral density and boost the effectiveness of dietary and supplemental calcium. After 50 years of age, "bone-destroying" osteoclasts start outpacing "bone-building" osteoclasts. Net result: Osteo Imbalance and loss of bone. BioSil Bone Collagenizer Classic helps create Osteo Balance. The ch-OSA turns on and increases bone building osteoblasts activity while the choline helps subdue the osteoclast hyper-activity. This approach helps to create and maintain healthy bones.

Features:

• Increases bone mineral density 
• Gives bones the pliability they need to withstand physical stress 
• Increases bone collagen formation
• Increases calcium "binding sites" 
• Vegetarian/Vegan friendly