glucosamine, et al
Hi, Lora:
I've been using glucosamine, chondroitin, and MSM (sulfur) in combination for about six months. I'm lucky in that I have no reaction, and lazy in that although I'm a fish-eating vegetarian, I will sometimes use animal derived medicines. After twenty years of waiting tables and working out on a knee that has no cartilege, I have finally found something that seems to minimize that bone-on-bone pain that I used to feel. This is using 500mg glucosamine, 400mg chondroitin, and 500mg MSM per day. MSM is cheap, but the others are not, so you might want to join a buying club if that's a concern. Good luck.
--Ann