A Research suggests that Cannabidiol could be a Modulator of Endocannabinoid Signalling. Check out here: https://www.phytoplantresearch.com/...-be-a-modulator-of-endocannabinoid-signalling
Beta caryophyllene ( peppercorn) is also capable of selectively binding to cb2 via agonist pathways
Beta caryophyllene is a dietary cannabinoid https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2449371/