The product is good in terms of its effects. My comments: (1) the taste you get used to it, but could be smoother rather than feeling a tad sandy/granular. (2) it does have a moderate, consistent calming effect, you just feel calm. (3) is easy on the stomach, can take on empty too. (4) I really did not notice energy increase almost at all. Just feeling calm. All in all, this product is ok. For me, the taste/texture could use some improvement and I miss to see the energy jolt. I took so far f...Read more.