 strength and power. That's its reason for being to maintain strength and power. It's in every single cell in the body. 95% of it, however, is in your muscle tissue because that's what we tend to use it the most. It powers up the muscles. It's good for strong muscle contraction and it's important to help maintain strength and muscle contractions when you're using them over and over again. For instance, if you're working out at the gym, if you're playing sports, golf, tennis, anything like that, it keeps your muscles strong.