Sulfur interferes with the storage of copper, an essential trace element, however with copper levels being on the high side with many people, this is generally a positive effect. It is interesting that patients with normal or below-normal copper levels rarely exhibit deficient sulfur levels. In fact, the benefits of sulfur-containing supplements on some forms of arthritis are not just a result of their positive effect on cartilage regeneration, but are largely based on lowering elevated copper levels which promote joint degeneration, particularly - or more so - on the right side of the body... Full Text