A vitamin of the B group, pantothenic acid (B5), decrease morning stiffness, degree of disability, and the level of pain. It is recommended to take two grams daily. However, it is not recommended to consume iron supplements or multivitamins that contain iron, as it is suspected that the iron can promote the destruction of the joints, increasing pain and swelling. In addition, it is an oxidizing agent., increasing the production of free radicals.