100% Beef Aminos is a high potency blend of superior beef amino acids derived from the highest quality beef protein isolate, beef albumin concentrate and Argentine beef liver. 100% Beef Aminos contains a full spectrum of highly concentrated amino acids as well as many other necessary and essential nutrients, harnessing the anabolic potential of beef – ideal support for your muscle building endeavors. When taken prior to each meal, a three tablet serving becomes ideal for increasing overall amino intake throughout the day.