Abstract Background Methamphetamine (METH) is a psychostimulant with high abuse liability that affects the monoamine neurotransmitter systems. particularly the dopamine system. Currently there are no effective medications for the treatment of METH abuse to restore METH-induced dopaminergic dysfunction. The Jitai tablet (JTT). https://www.mamapaisa.com/product-category/smoothing-serum/