GNC Pro Performance AMP Gold Series BCAA Advanced in Tangy Orange flavor is a dietary supplement designed to support muscle growth, strength, and recovery. It features a 2:1:1 ratio of instantized BCAA, including 6g of BCAA, 1g of L-Glutamine, and 1g of Citrulline matrix per serving. This product is caffeine and creatine free, making it suitable for those looking to avoid these ingredients. The supplement is intended for adults and is manufactured in the United States of America.