Advanced formula (dual product) for the prevention of osteoporosis, vitamin K2 in a form with high calcium bioavailability, is essential for osteopenia, to better absorb calcium in the bones and prevent its accumulation in the blood vessels. The vitamin K and calcium contained in Osteorin-K2 are designed to help maintain healthy bones. Vitamin D for normal calcium absorption, normal blood calcium levels and maintenance of normal bones. Vitamin D is designed to reduce the risk of falls associated with postural instability and muscle weakness. Vitamin C is designed to form collagen.