I have sharper focus and more motivation! I took it 5 days on and 2 days off at first. now I take it sparingly. 2 to 4 times per week because I take other supplements as well. So taking it sparingly helps me to see and feel the difference when I'm not taking it, if there is any. And there is definitely a big difference on the days I take it and on the days I don't! My overall health is better when I take Eternus, energy, mental focus, even eyesight, etc... I definitely recommend it to every...Read more.