New 6 in 1 formulation for strong bones Ostelin Osteoguard is a high potency Vitamin D & calcium supplement scientifically formulated to help maintain bone mineral density, supporting your bones in the prevention and treatment of Osteoporosis. Ostelin Osteoguard is fortified with Vitamin K and magnesium for the maintenance of strong healthy bones, boron to aid calcium metabolism, and manganese to help maintain healthy bones and joints. Why Osteoguard? As we get older strong healthy bones and muscles are vital in reducing the incidence of falls and fractures. In Australia, 1 in 2 women and 1 in 3 men over the age of 60 will have a fracture due to Osteoporosis1. What is Osteoporosis Osteoporosis is a condition where bones become fragile and brittle, and can fracture more easily than healthy bone.