For example, a 2017 study found that THCA had neuroprotective properties in mice, who were injected with toxins, suggesting that it may have similar effects in humans.

The TBI has partnered with the Tennessee Department of Agriculture to differentiate between THCA and THC. The TBI said it’s hoping to test them for both in 2025.

Just like THCA, delta-8 tetrahydrocannabinol (delta-8 THC) is a cannabinoid in the cannabis plant. Although it's not found in large amounts, it's still THC and can still provide the effects of a ...