Joints help your body walk, run, bend, climb, jump--and anything else you want to do. That's why Osteo Bi- Flex® gives your joints the nourishment they need so you can handle whatever life throws your way.* With the addition of Vitamin D to support bone density and a healthy immune system, Osteo Bi-Flex Triple Strength with Vitamin D strengthens your joints and helps maintain flexibility and agility, so you're always ready for action.