New Chapter Bone Strength Slim Tabs Plant Sourced Calcium, NOT Limestone With Vitamins D3 & K2 60 TABSCLINICAL STRENGTH: Plant calcium from sustainably harvested Red Marine Algae reduces the risk of osteoporosis+ COMPLETE PLANT CALCIUM: Expertly formulated with Vitamin D3 for better absorption, Vitamin K2 to direct calcium to bones (where you need it most), magnesium and 70 whole food trace minerals BONE STRENGTH: Protects against bone loss and promotes bone density & joint flexibility* Slim, easy to swallow tablets with slow & steady release Non GMO