What Are Cannabinoids?

Cannabinoids are the naturally occurring compounds in the cannabis plant responsible for its wide range of effects on the human body. But cannabis is only part of the story. The human body produces its own cannabinoids, and scientists can synthesize them in a lab as well. Understanding how cannabinoids work, how they differ from one another, and what the research says can help you make more informed choices about cannabis and hemp-derived products.

What Is the Endocannabinoid System (ECS)?

To understand cannabinoids, you first need to understand the system they work with. The endocannabinoid system (ECS) is a cell-signaling network found throughout the human body. It consists of three core components: cannabinoid receptors, enzymes, and endogenous cannabinoids (cannabinoids produced naturally by the body).

The ECS plays a role in regulating a broad range of physiological processes, including:

• Mood and stress response
• Sleep and circadian rhythm
• Pain perception and inflammation
• Immune system function
• Appetite and metabolism
• Memory and cognitive function

When cannabinoids enter the body, they bind to or otherwise influence ECS receptors, helping the body maintain a state of balance known as homeostasis. This interaction is what gives cannabinoids their wide range of therapeutic potential.

The two primary receptor types are:

• CB1 receptors are concentrated primarily in the brain and central nervous system
• CB2 receptors, found mainly in immune tissue and peripheral organs

Different cannabinoids interact with these receptors in different ways, which explains why THC and CBD, for example, produce such different effects despite coming from the same plant.

The 3 Types of Cannabinoids

Cannabinoids fall into three categories based on their origin.

Phytocannabinoids are naturally occurring compounds found in the cannabis plant. THC and CBD are the most well-known, but the cannabis plant produces more than 100 distinct phytocannabinoids, each with its own chemical structure and potential effects.

Endocannabinoids are cannabinoids the body produces on its own. The two most studied are anandamide, often called the “bliss molecule” for its mood-elevating properties, and 2-arachidonoylglycerol (2-AG), which plays a role in regulating immune response and pain. Unlike phytocannabinoids, endocannabinoids are synthesized on demand and broken down quickly after use.

Synthetic cannabinoids are created in laboratory settings, often for research or pharmaceutical development. They are designed to mimic the behavior of natural cannabinoids, allowing scientists to study specific receptor interactions in more controlled conditions. Synthetic cannabinoids used in research differ significantly from dangerous illicit compounds sometimes sold under that name.

Primary Cannabinoids: Effects, Benefits, and Uses

THC (Tetrahydrocannabinol)

THC is the primary psychoactive compound in cannabis. It binds directly to CB1 receptors in the brain, which is what produces the characteristic “high.” Beyond its recreational use, THC has well-documented therapeutic applications, including:

• Chronic pain management
• Nausea reduction (particularly in chemotherapy patients)
• Appetite stimulation in patients with wasting conditions
• Insomnia relief
• Muscle spasticity reduction in conditions such as multiple sclerosis

THC effects are highly dose-dependent. Low doses often produce relaxation and mild euphoria, while higher doses can increase anxiety in some users. Understanding your tolerance and starting with a low dose is critical.

THCA (Tetrahydrocannabinolic Acid)

THCA is the raw, non-psychoactive precursor to THC found in fresh and live cannabis plants. It only converts to THC through decarboxylation, a process triggered by heat (smoking, vaping, or cooking). Early research suggests THCA may have anti-inflammatory, neuroprotective, and anti-nausea properties without the intoxicating effects of THC. It has become an area of growing interest for patients who want cannabis-based therapy without psychoactivity.

CBD (Cannabidiol)

CBD is the second most prominent cannabinoid and the most widely used in wellness products. Unlike THC, CBD is non-psychoactive. It does not produce a high and does not bind directly to CB1 receptors in the same way THC does. Instead, it modulates receptor activity and interacts with several other receptor systems, including serotonin receptors, which helps explain its anxiolytic (anti-anxiety) properties.

CBD has the strongest evidence base of any cannabinoid for clinical use. The FDA has approved a CBD-based pharmaceutical (Epidiolex) for the treatment of certain severe epilepsy syndromes. Research also supports its use for:

• Anxiety and stress reduction
• Inflammation and pain relief
• Sleep improvement
• Neuroprotection

CBD is widely available in oils, tinctures, capsules, edibles, and topicals.

CBN (Cannabinol)

CBN forms as THC oxidizes and degrades over time. It is mildly psychoactive but significantly less so than THC. CBN is best known for its potential sedative effects and is increasingly marketed as a natural sleep aid, though the clinical research is still emerging. It is also being studied for pain relief and anti-inflammatory properties.

CBG (Cannabigerol)

Often called the “mother cannabinoid,” CBG is the biosynthetic precursor from which other cannabinoids, including THC and CBD, are synthesized. It is typically present at low concentrations in most strains but is now being cultivated at higher levels through selective breeding.

CBG is non-psychoactive and shows promise for:

• Antibacterial properties (including against methicillin-resistant Staphylococcus aureus, or MRSA)
• Inflammation reduction
• Neuroprotection
• Glaucoma treatment (by reducing intraocular pressure)

CBC (Cannabichromene)

CBC is non-psychoactive and one of the more abundant minor cannabinoids. Research indicates it may support neurogenesis (the growth of new brain cells) and has anti-inflammatory, antifungal, and antidepressant properties. CBC is also thought to contribute to the entourage effect by amplifying the activity of other cannabinoids.

THCV (Tetrahydrocannabivarin)

THCV is structurally similar to THC but produces distinct effects. At low doses, it may actually block some of THC’s effects. At higher doses, it can be mildly psychoactive. THCV is being researched for its potential to suppress appetite (the opposite of THC), regulate blood sugar, and reduce panic responses. It is sometimes called “diet weed,” though more clinical data is needed.

CBDV (Cannabidivarin)

CBDV is structurally similar to CBD and is being studied primarily for neurological applications. Early clinical trials have explored its use in autism spectrum disorder and epilepsy. GW Pharmaceuticals (now Jazz Pharmaceuticals) has investigated CBDV as a potential pharmaceutical candidate.

THC vs. CBD: Key Differences

The simplest distinction: THC produces intoxication, CBD does not. Both have therapeutic value, and for many conditions, they work better together than in isolation.

The Entourage Effect: Why Whole-Plant Formulations Matter

One of the most important concepts in cannabinoid science is the entourage effect, a term coined by Israeli researcher Dr. Raphael Mechoulam. The theory holds that cannabinoids, terpenes, and flavonoids in cannabis work synergistically. That is, the combined effect of multiple compounds is greater than the sum of its parts.

For example, CBD has been shown to modulate some of THC’s more anxiety-inducing effects when the two are used together. Terpenes such as myrcene, linalool, and beta-caryophyllene may also contribute to a product’s sedative, anti-anxiety, or anti-inflammatory effects.

This is why many practitioners and researchers favor full-spectrum extracts over isolated cannabinoids for complex conditions. Understanding the entourage effect helps explain why two products with the same CBD milligram count can feel quite different depending on their cannabinoid and terpene profiles.

How to Choose the Right Cannabinoid Product

Selecting the right product comes down to several factors:

Define your goal. General wellness and stress reduction are well served by low-to-moderate-dose CBD products. Sleep difficulties may call for a CBD or CBN product. Pain management may benefit from full-spectrum or THC-inclusive formulations where legal.

Start low, go slow. Cannabinoid response is highly individual. Begin with a low dose, assess effects over several days, and increase gradually. Avoid the temptation to judge a product based on a single use.

Choose your delivery method based on onset and duration. Inhalation (vaping or smoking) produces the fastest onset (minutes) but the shortest duration (1 to 3 hours). Oils and tinctures taken sublingually take effect in 15 to 45 minutes and last 4 to 6 hours. Edibles take 30 minutes to 2 hours to onset, but can last 6 to 8 hours or more. Topicals work locally and do not produce systemic effects.

Verify third-party lab testing. Any reputable cannabinoid brand will provide a Certificate of Analysis (COA) from an independent lab confirming potency, cannabinoid content, and the absence of contaminants such as pesticides, heavy metals, and residual solvents. Do not purchase from brands that do not publish COAs.

Earn Rewards on Every Purchase With the Ascenders Club

Finding the right cannabinoid products is just the beginning. When you shop at Ascend, every dollar you spend works toward something bigger. The Ascenders Club is Ascend’s loyalty rewards program, built to give frequent shoppers more value, more flexibility, and more reasons to explore.

Membership is completely free. You earn 1 point for every $1 spent (pre-tax) at any participating Ascend location, and those points can be redeemed for real savings at checkout. New members also receive bonus points after each of their first three purchases, giving you a head start right away.

Points redeem like this:

• 250 points = $5 off
• 500 points = $10 off
• 1,000 points = $20 off
• 1,500 points = $30 off
• 5,000 points = $100 off (Platinum and Legends members only)

Points go even further on Ascend’s top brands, including Ozone, Simply Herb, Effin’, High Wired, Common Goods, and Royale. When redeeming on those brands, your points are worth double, meaning 125 points get you $5 off instead of 250.

To join, simply sign up at checkout in any Ascend store or through the online menu at letsascend.com/ascenders-club.

Shop Cannabinoid Products at Ascend

Now that you know how cannabinoids work and what to look for in a product, the next step is finding a dispensary you can trust. Ascend carries a curated selection of flower, edibles, concentrates, tinctures, topicals, and more across locations in Illinois, Maryland, Massachusetts, Michigan, New Jersey, Ohio, and Pennsylvania.

Whether you are just beginning to explore CBD, looking for a THC product for sleep or pain relief, or ready to experiment with minor cannabinoids like CBG or CBN, Ascend’s knowledgeable staff can help you find the right fit for your goals and experience level.

Find your nearest Ascend dispensary and shop now at letsascend.com.