What is AMINOGROW? AminoGrow is a blend of essential amino acids (EAA) that you need to consume in your diet because your body doesn’t make them naturally. It is powdered with L-citrulline which enhances the delivery of these EAA through increased blood flow via nitric oxide production. When is the best time to consume AMINOGROW? AMINOGROW should be consumed before, during, or after exercise, or sip throughout the day as a healthy energy drink substitute.