Core ZZZ Night-Time Recovery and Sleep Support provides 5-HTP to improve the quality of sleep with no withdrawal effect, Mucuna pruriens to improve GH release during sleep for better recovery and Glysine to help with digestion and lowering blood sugar. Also contains a mineral blend including Vitamin B-6 (as Pyridoxine HCL), Magnesium (as Magnesium aspartate), and Zinc (as Zinc monomethionine).