What is THC-P? THC-P (Tetrahydrocannabiphorol) is a cannabinoid that is structurally similar to THC (tetrahydrocannabinol), the main psychoactive compound found in cannabis. Like THC, THCP is thought to interact with the endocannabinoid system in the human body, which is involved in regulating various physiological and cognitive processes such as appetite, pain sensation, mood, and memory. The Discovery