What You Need To Know About Delta-9-Tetrahydrocannabinol Acid A In the plant cannabis sativa, the Delta-9-tetrahydrocannabinol acid-A, or as it is known, Delta-9-THCA-A is the most nonpsychoactive precursor of Delta-9-THC (Delta-9-Tetrahydrocannabinol). If we consider fresh plant material, around 90 percent of the entire delta-9-THC is present as the Delta-9-THCA-A. When Delta-9-THCA-A is smoked, heated or […]