Intense Pump Pre Workout. From the training journal of IFBB pro Art Atwood comes Dr Jekyll: a powerful, but DMAA-free formula that answers the call for a true anabolic pre-workout powder. Unlike it's evil "split-personality" Mr Hyde, Dr Jekyll supplies intense energy without the controversy. Dr Jekyll combines the effects of a sensory-focused and vein-popping pump formula with added anabolic compounds L-Leucine & Creatine Hydrochloride. Infused With Pikatropin For Pin-Point Focus And Determination During Exercise. Efficacious Dose Of Creatine Hydrochloride In Every Serving. L-Leucine And Hmb For Recovery And Anabolic Muscle Development. Agmatine Sulfate For Muscle-Swelling Pumps And Nutrient Transport.