Move Free Advanced is a glucosamine joint supplement that supports 5 signs of joint health: mobility, comfort, strength, flexibility and bone so you can do the things you love. Glucosamine Glucosamine is key for the formation of cartilage, an essential building block of your joints. Glucosamine also supports the strength, mobility and flexibility you want in everyday life. Uniflex® (FruiteX-B® Calcium Fructoborate) Uniflex is a clinically tested mineral complex that supports joint comfort in as little as 2 weeks. It also contains boron, which helps support bone health.