The short answer
Cannabis makes well over 100 cannabinoids, but only a few show up in amounts that matter. The two main ones are delta-9-tetrahydrocannabinol (THC), which causes the high, and cannabidiol (CBD), which does not. Behind them sits a second tier that labs now measure on most flower and vape labels: CBG, CBN, CBC, THCV, and delta-8 THC. The plant also produces acidic precursors, THCA and CBDA, which are the forms actually present in raw flower.
That is the whole map. Everything else is detail about potency, ratios, and what each compound seems to do.
THC: the compound behind the high
THC binds directly to CB1 receptors in the brain and nervous system. That binding is what produces euphoria, altered time perception, appetite stimulation, and the couch-lock feeling people either chase or avoid. THC also works at CB2 receptors, which are concentrated in immune tissue. Potency varies a lot: a legal flower label in the US might read 18% THC or 30%, and a distillate cart can push past 80%. Higher numbers do not automatically mean a better experience. I have watched plenty of people get exactly what they wanted from a modest 15% strain and overshoot badly on a 28% one.
cannabis cannabinoids list and effects
CBD: the main non-intoxicating cannabinoid
CBD does not get you high. It has weak affinity for CB1 and CB2 and instead influences other targets, including serotonin receptors and enzymes that break down anandamide, a natural endocannabinoid. The best-supported clinical use is seizure reduction in rare childhood epilepsies, which is why the FDA approved a purified CBD drug for that purpose. Beyond seizures, evidence for anxiety, sleep, and pain is promising but mixed, and dosing in studies ranges wildly.
complete list of thc and cbd compounds
The minor cannabinoids
These appear at low percentages, usually under 1% to 2% of total cannabinoid content. They are not filler.
- CBG (cannabigerol): often called the parent cannabinoid because CBGA is the molecule the plant converts into THCA and CBDA. Most cultivars retain little CBG, though breeders now chase high-CBG genetics on purpose.
- CBN (cannabinol): a breakdown product of THC. Older flower tends to test higher in CBN, which is why it got a reputation as the sleep cannabinoid. The sedating effect is mostly anecdotal.
- CBC (cannabichromene): non-intoxicating, studied for pain and inflammation, and often described as working better alongside other cannabinoids than alone.
- THCV (tetrahydrocannabivarin): structurally close to THC. At low doses it may blunt appetite rather than stimulate it, which makes it a curiosity in a market full of munchies jokes.
- Delta-8 THC: a milder psychoactive isomer of delta-9. It occurs naturally in tiny amounts and is usually made from CBD through a chemical process, which is why its legal status varies by state.
Acidic cannabinoids: THCA and CBDA
Raw cannabis does not contain much THC or CBD. It contains THCA and CBDA. Heat, whether from a lighter, a vape coil, or an oven, removes a carboxyl group and converts them into their active forms. Eat raw flower and you get THCA, not THC. Decarboxylate it first and the math changes.
How to read a cannabinoid label
Look for total THC and total CBD, not just the numbers in the strain name. Total THC includes THCA multiplied by roughly 0.877 plus the delta-9 THC already present. A flower testing 25% THCA and 1% THC lands near 23% total THC. Terpenes and minor cannabinoids tell you about character and effect, but they are supporting players, not the headline.
What the research supports
THC's psychoactivity and receptor activity are well documented. CBD's seizure data is strong. Most claims about CBG, CBN, and CBC rest on preclinical work, so treat bold marketing with some patience. Cannabis affects people differently, and the same cultivar can land differently depending on dose, tolerance, and method of use.