As dogs age hisher metabolism gradually slows down dogs can in the course of years be up against joint complaints if they are not encouraged to be active they often become slow and gain weight this can also occur when your dog does not feel well slowness or fast physical fatigue during walks or while playing are often signs of joint deficiencies hokamix joint slows down the wear and tear strengthens ligaments and tendons and improves lubrication elasticity and matrix of the joints it