At 11:35 AM 9/9/2004 -0400, Linda Patton wrote: > > > I have an old arthritic horse. With his supplement (glucosamine, > > > chondroitin, msm, and vitamin c in a yummy alfalfa base)... > > What's "MSM?" > ArThriticWorm <http://www.msm.com/ArticleDetail.cfm?AID=19>