I just add 3-4 scoops of extend to a gatorade bottle. Then I add some bulk Taurine, AAKG, Beta-Alanine, Acetyl Carnitine, electrolyte of choice, and some dextrose. It's a PITA if your in a time crunch, but I'm hesitant to mix it all in one tub. I never thought it would mix uniformly.