I need to try this as well. I just bought a kilo on amazon. I will try it. i noticed it says reduces DOMS, i started crossfit again and it has me walking like a newborn baby giraffe for 2 days after each session. Even if it helps the soreness a little that would be great. (Don't bust my chops about crossfit, I like that it is competitive. I work WAY harder when I can get bested by women in the WAD.)