I never take pre-workout supplements so I may have a wrong opinion of the product because of that. But I tried a sample scoop of it, and the taste was actually very good. Tastes like the regular flavor of Big League Chew gum. About 15 min after, i had a horrible headache. Lasted about 30 minutes into my workout too, which sucked, especially for deadlifts. It finally went away and the rest of the workout went very well. Like I said before, I never take pre workout drinks so the caffeine rush coulda given me the headache, cause i don't drink caffeine anyways. Anyways, just thought I'd chime in on a little experience with this product. I would try it again to see if the headache came back because after it was gone I had a great workout. But I only had 1 sample