From the Manufacturer:
Our Superior Amino 2222 Tabs provide a full spectrum 2,222 mg array of essential, conditionally essential, and non-essential amino acids derived from a blend of isolated, concentrated, and hydrolyzed protein sources and fortified with additional Micronized Amino Acids
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.