I honestly have no idea if it works.

First time I took it was for working out. I was a lot sharper, mainly due to working out.

Then I took it when I wasn't working out. I had issues with muscles, brain fog, etc.

Now I don't use it and have signs of brain fog, I'm going to start taking again, this time without coffee. I do not expect much of a difference, and I expect the same muscle spazms to happen. I have a feeling that stress creates these spazms, and creatine pushes it further