“I utilized to expertise lots of stiffness in my knees due to osteoarthritis. I wouldn’t manage to rise up following sitting down down for extensive. But ever because JointLab came into my existence, I am able to do things which I wasn’t in the position to do before.?ây c?ng ??u là nh?ng d??ng ch?t c?u t?o nên nhân nh?y và bao x? c?a ??a