What does “CB2 receptor” mean?

The cannabinoid receptor found mainly in immune cells and peripheral tissue rather than in the brain.

CB2 receptor in plain English

The cannabinoid receptor found mainly in immune cells and peripheral tissue rather than in the brain.

Because CB2 receptors sit largely outside the central nervous system, drugs acting selectively on them would in principle produce effects without intoxication. That has made them a long-standing research target.

Interest centres on inflammation and immune regulation. No CB2-selective medicine is licensed in the UK.

Frequently asked questions

What does cb2 receptor mean?

The cannabinoid receptor found mainly in immune cells and peripheral tissue rather than in the brain.

Sources and further reading

Every factual statement on this page is drawn from the following public sources. Links open in a new tab and are not affiliated with Flora House.

  1. NICE guideline NG144: Cannabis-based medicinal products
  2. NHS: Medical cannabis (and cannabis oils)
  3. MHRA: The supply, manufacture, importation and distribution of unlicensed cannabis-based products for medicinal use

Patient guide · Written by the Flora House editorial team · Last reviewed: 8 September 2026