MSM is an odorless, water-soluble, white crystalline material that supplies a bioavailable form of dietary sulfur, which plays a major role in stabilizing and promoting numerous body functions. MSM is responsible for the flexible bond between cells, including those that make up the skin. It acts to block undesirable chemical and physical cross-linking or bonding of collagen which is associated with tough, aging skin. Approximately half of the total body sulfur is concentrated in the body's muscles, skin, and bones. It is present in keratin, the tough substance in the skin, nails and hair. Sulfur is necessary for making collagen, the primary constituent of cartilage and connective tissue, but it is also responsible for the conformation of body proteins through the formation of disulfide bonds, which hold connective tissue together. MSM does this in conjunction with vitamins and amino acids, and the process is going on 24 hours of every day. The body never stops making new cells, and this calls for an unceasing supply of MSM and all other essential nutrients. Tests conducted with laboratory animals indicated that wound healing occurred faster with a group receiving MSM, but even faster with both MSM and vitamin C supplementation. Beth M. Ley, in her book, MSM: Our Way Back to Health With Sulfur, lists common signs of sulfur deficiency, including slow wound healing, scar tissue, brittle hair or nails, gastrointestinal problems, arthritis, acne, depression, and more. "The body is in a constant state of repair, but if we do not have all the necessary 'parts'", says Ley, the body will "produce weak, dysfunctional cells."
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