Negative Positive
Title: Seems to work well...
Review: It is definitely authentic guarana powder. Seems to give u a good caffeine amount. Only problem is it never seems to incorporate into your drink. I've tried using a blender, a spoon and even soaking it overnight in water but you always have to shake it before you drink it cuz it doesn't disolve. Tastes not bad with just water though.
Is the review positive or negative? 