text:  You can also use it prophylactically if you tend to exercise. I know that if I exercise and I anticipate that that work could make me feel sore, I will actually put it on before the opportunity to get sore would happen. And I typically do not feel the same level of impact or soreness that I would have without it. So you don't have to wait to feel the pain. Sometimes it can be useful in advance of it. The other two products in the line are transdermal.