GNC Pro Performance Amp Gold Series Thermo Supplement is a high-energy thermogenic formula designed to support metabolism and calorie burning. It contains extracts of ginger, green coffee bean, coffee bean, turmeric, L-Carnitine, and cinnamon to promote fat and glucose metabolism, respectively. Additionally, it includes L-Citrulline, a precursor of L-Arginine, to produce nitric oxide, supporting good blood flow and delivering oxygen and nutrients essential for energy production. This dietary supplement is formulated with care and comes in hygienic packaging.