What’s the difference between Pump and Gnarly PRE?

Gnarly Pump is primarily a creatine supplement, Gnarly PRE does not contain creatine and contains a variety of other ingredients that can be of benefit when taken in the 30 minutes before training. While both products contain caffeine, Gnarly PRE contains substantially more caffeine at 180mg/serving compared to 60mg/serving in Gnarly Pump.