BPI 1.M.R™ - OG Pre-Workout FormulaUNRELENTING ENERGY. This is not a PWO to underestimate it's strong as heck! For those who dont know, 1MR (a. k. a. One. More. Rep) is among the founding fathers of pre workouts! Almost two decades ago, when the original version of 1MR hit the market, people were blown away with the energy this product delivered. And now, 16 years later, that powerful formula has been recreated and made available once again. oh yea, we also added 9. 6 grams of pump