Garlic, onions, shallots, and leeks are rich in various organosulfur compounds. Other foods high in sulfur include jerusalem artichokes, asparagus, eggs, tofu, beans, broccoli, Brussels sprouts, cabbage, coffee and meat.
As a supplement, sulfur is available in two forms: dimethyl sulfoxide (DMSO) and methylsulfonylmethane (MSM). About 15% of DMSO breaks down into MSM in the body. Both have been touted as treatments for pain.