What is THCA? THCA, or tetrahydrocannabinolic acid, is a non-psychoactive (when consumed raw) compound found in raw cannabis plants. It is the precursor to THC, or tetrahydrocannabinol, which is the psychoactive compound that produces the high associated with marijuana. Smoking or decarbing THCA will convert to regular THC. THC is responsible for the psychoactive effects of marijuana. See our  THCA Ultimate Guide. THCA is one of many c… Read more