VUUM's combination of caffeine and protein make it a solid pre-workout pickup. The flavors, however, could use some work.

The main reason pre-workout supplements might not be the best for your health is because of their high caffeine content. Here ...

Walker shared a video on his Instagram and found it necessary to express which weird habits of people get on his nerves. He began by announcing that he hates pre-workout dry scooping.

Caffeine is a staple of pre-workout drinks. So is protein ... And will a slightly weird swath of flavors work out? Let's see what we've got. We're starting with the most extra of the flavors.