Rebuild + w/Vit.D 2000 IU [Osteoporosis Formula]

Rebuild Osteoporosis Formula contains balanced levels of Magnesium, Boron, Vitamin D and Vitamin K to help support healthy bones.* Rebuild® Plus contains the same formula with additional Vitamin D-3. The Rebuild formulation is based on research by Strause and Saltman, a 2-year double-blind, placebo-controlled trial on bone density in postmenopausal women.