I sampled this stuff due to a diet and since it has zero calories I gave it a whirl. It was very good nothing like diet pepsi and it does live up to the advertisments it does give you energy without the energy drink jitters. I would reccommend this to anyone on a diet or someone who needs energy with running rampade and then crashing off a drink or someone who prefers the taste of diet and doesnt liek coffee this would be great for them.