MSM (Methylsulfonylmethane):MSM is a natural sulfur compound that supports joint health. It helps reduce inflammation and improves collagen production, aiding in joint repair. Collagen:Collagen is a crucial component of connective tissues in joints. OsteoFlex includes collagen to promote joint strength and flexibility. Vitamin K2: Vitamin K2 plays a role in calcium regulation and bone health. It helps maintain bone density and supports overall joint health. OsteoFlex Frozen Shoulder Cream x 1/2/4/8pcs