From the Manufacturer's Label:
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.* It 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.**
Manufactured by Universal
About Puritan’s Pride
For more than 40 years, Puritan's Pride has helped families achieve a lifestyle of wellness. Our vitamins and supplements are made with care from the highest quality ingredients. They are tested or inspected as many as 15 times throughout the manufacturing process. That's why you can shop with confidence. We take pride in our products and helping customers feel their best.