MoveFree® Advanced MSM + Vitamin D3 with Glucosamine Joint Supplement supports 5 signs of joint health (mobility, comfort, strength, flexibility, and bone) a so you can do the things you love. Glucosamine is key for the formation of cartilage, an essential building block of your joints to support your mobility and flexibility. Uniflex® (FruiteX-B® Calcium Fructoborate) is a clinically tested mineral complex that supports joint comfort in as little as 2 weeks. Methylsulfonylmethane (MSM) is a source of sulfur found in the body that is important in the formation of collagen in joints, collagen is a vital part of your joints because it supports the structure of cartilage. Vitamin D3 helps maintain healthy levels of Calcium and Magnesium, important minerals that support strong bones.