Os-Cal is a leader in bone health dedicated to raising national awareness about osteoporosis. As the #1 calcium supplement choice of doctors and pharmacists, Os-Cal is proven to help reduce the risk of hip fracture by 29%. And now, Os-Cal has been named by the National Osteoporosis Foundation as an official friend and partner, dedicated to osteoporosis prevention and education. Herbspro.com is proud to carry the entire range of this fine brand.