The entourage effect is a hypothesis first articulated in the late 1990s by cannabinoid researchers Raphael Mechoulam and Shimon Ben-Shabat. It proposes that the compounds in cannabis — cannabinoids like THC, CBD, and the minors, plus terpenes, flavonoids, and other trace compounds — work together synergistically to produce effects that differ from what you'd get from any single isolated compound. The entourage effect is the explanation for why two cannabis strains with identical THC percentages produce qualitatively different experiences. It's why full-spectrum CBD (CBD + trace cannabinoids + terpenes) is often reported as more effective than CBD isolate for equivalent milligram doses. It's why smoking flower feels different than dabbing an isolated cannabinoid. Research on the entourage effect is active and contested. Strong evidence: terpenes modulate cannabinoid absorption and receptor binding. Weaker evidence: specific terpene profiles predict specific subjective effect profiles. The entourage effect is the main reason Rosin Royale publishes full terpene profiles on every batch COA — the cannabinoid numbers don't tell the whole story.
