its probably more cost efficient than buying individual drinks because youre getting 20 or whatever servings in a container that scoops out to mix with water. they have different offerings but iirc its a little creatine nitrate and a lot of b vitamins/caffeiine to boost performance.

i use pea protein powder instead of whey, but that's a personal dietary choice. then i use creatine monohydrate and vitamine c. i