I don't give anything a 10 until I've tried it for a month however, this stuff is great for actors trying to discover their character's motivations or a student for who's class is the most intellectually stimulating. Super Green Crack has all the benefits of loosing ones inhibitions while retaining all of your faculties and wits about you. Ad to this fact that it does not seam to effect the body with any laziness, reaction time can actually improve. Don't take before bed. You will be up all night with ideas.