ANIMAL ANIMAL PUMP - 30 PACKSAnimal Pump Up the volume with Animal Pump, the "core" pre workout product for "pumps". For the bodybuilder, getting the pump is the name of the game, what it's all about. It's not just an addictive feeling. Your muscles don't just feel bigger. They are. A pump signals the start of oxygen and nutrient rich blood flooding into the muscle, setting the table for new growth. So is your table set?