The first time I saw Cramp 911 was in a health food store in a sample box. I purchased it and put it away. A few weeks later I was getting muscle cramps every day, all day, and I remembered it, crawled to it, and put it on and away went the cramps. I use it as needed. After I use it, I hear some noise in the muscle area, and the muscle tends to loosen up and feels much better, but the relief is instant.
Bottom Line: Yes, I would recommend this to a friend
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