Day one of taking the product I didn't see a change in myself but the people around me including my family did note that I was more irritable and quick to anger. The same could be said with day two. Day three saw a change in my irritability or energy level. Day three I did see an increase in my energy level and I did hear that my irrtability and anger did subside. Day four and five were awesome. I did see a dramatic increase in focus and energy and I didn't require any pick me up in the later...Read more.