When most people think about medical marijuana, they focus on THC and CBD—the two most widely recognized cannabinoids. But a quieter group of compounds may be just as important to your experience: terpenes. These aromatic compounds not only contribute to the scent and flavor of cannabis but also influence its therapeutic properties, interact with your endocannabinoid system, and can even determine how your body responds to different strains of marijuana.
In this article, you will learn:
- What are terpenes?
- How do terpenes function in cannabis?
- Why are terpenes essential to understanding the therapeutic and medicinal uses of marijuana?
What Are Terpenes?
Terpenes are naturally occurring compounds found in a wide variety of plants, including cannabis sativa, pine trees, citrus fruits, and even herbs like tea tree and black pepper. These aromatic compounds are the primary constituents of essential oils extracted from plants, responsible for their distinctive scents and flavors. In cannabis, they’re found in the cannabis flowers, especially in the sticky, resinous trichomes.
At the molecular level, terpenes are built from isoprene units, with many classified based on their number of carbon atoms. For example, monoterpenes consist of two isoprene units, giving them a chemical formula of C10H16.
To date, over 200 cannabis terpenes have been identified, though only a handful are found in high concentrations. These compounds are not unique to cannabis—they’re shared across many plants—but their interaction with cannabinoids makes them particularly interesting in the cannabis industry.
The Entourage Effect
One of the most exciting aspects of terpenes is their contribution to the entourage effect. This theory suggests that cannabinoids like THC and CBD don’t work in isolation. Instead, their effects are amplified or modulated by the presence of other compounds, particularly terpenes. These interactions can enhance therapeutic benefits, reduce side effects, and personalize the cannabis consumption experience.
In a 2011 study published in the British Journal of Pharmacology, researchers concluded that terpenes play a key role in supporting the pharmacological effects of cannabinoids, particularly in pain management, anxiety, inflammation, and even as anticancer agents.[1]
Common Terpenes and Their Effects
Here’s a breakdown of some of the most important compounds found in cannabis, how they affect the human body, and where else they naturally occur.
1. Linalool
Linalool is found in lavender, coriander, and cannabis. It has a floral and spicy aroma.
When found in cannabis, Linalool is known for anti-anxiety properties, anti-inflammatory properties, and linalool bioactive properties.
In other words, you can use cannabis strains that contain linalool for stress relief, pain management, and neuroprotective effects.
2. Myrcene
Myrcene is a terpene found in mangoes, lemongrass, hops, and cannabis. It has an earthy and musky aroma.
Because myrcene is known for sedative and analgesic effects, you can use it to enhance sleep and promote muscle relaxation.
3. Limonene
Limonene is found in citrus fruits and cannabis plants. It has a citrusy aroma, as it is derived from the fruits.
This terpene is known for antifungal properties, antibacterial properties, and mood elevation. Due to this, you can use cannabis strains that contain limonene for digestive health and stress relief.
4. Pinene
Pinene is found in pine needles, rosemary, basil, and marijuana. It can produce a fresh and piney aroma.
Because pinene is known for its anti-inflammatory, bronchodilator, and memory support, you can use it for asthma relief and increasing alertness.
5. Caryophyllene
Caryophyllene is found in black pepper, cloves, cinnamon, and cannabis. It has a spicy and woody scent.
This terpene is known for producing therapeutic and medicinal uses via binding to the same receptors as cannabinoids. In other words, you can use it for pain management and anti-anxiety purposes.
6. Terpinolene
You can find terpinolene in lilacs, nutmeg, tea tree, and cannabis. It has an herbal, floral, and slight citrus aroma.
This terpene is known for its antioxidant and anticancer properties. Because of this, the potential uses include treating cancer patients and aiding in alternative medicine.
These common terpenes, among others, shape the sensory and physiological profile of cannabis products, providing more than just flavor—they offer potential health benefits and targeted therapeutic properties.
Terpenes vs. Terpenoids
While the terms are often used interchangeably, terpenes and terpenoids are chemically distinct. Terpenes are the raw chemical compounds, while terpenoids have been chemically modified—usually through oxidation—during the drying and curing of the marijuana plants.
Both forms are biologically active and found in plant extracts, but understanding the difference matters when discussing drug delivery systems, essential oils, and bioavailability in clinical settings.
Terpene Profiles and Cannabis Strains
Each cannabis strain has a unique terpene profile that determines its aroma, flavor, and effects. These profiles vary based on genetics, growing conditions, and post-harvest processing.
For example:
- A strain high in limonene might promote alertness and mood elevation for those with mental health issues.
- One rich in myrcene could deliver a relaxing, sedative experience.
- High caryophyllene strains might offer targeted anti-inflammatory properties for chronic pain or autoimmune disorders.
Popular strains like Amnesia Haze are celebrated not only for their cannabinoid content but also for their rich terpene profiles, which enhance their psychoactive properties and therapeutic benefits.
Terpenes in Medical Marijuana
The presence of specific terpenes can have a significant impact on how patients experience medical marijuana. Here’s how:
- Pain Relief: Terpenes like myrcene, caryophyllene, and linalool show promise in reducing nociceptive pain.
- Anxiety and Depression: Limonene and linalool interact with serotonin and dopamine pathways.
- Cancer Support: Some terpenes act as anticancer agents, inhibit tumor growth, or help with nausea.
- Appetite Control: Certain terpenes function as an appetite suppressant, potentially useful for weight-sensitive treatments.
In a medical context, selecting strains based on terpene content—rather than just THC/CBD levels—offers more precise, personalized care. This aligns with a broader move toward alternative medicine and plant-based therapies in oncology, neurology, and pain management.
Safety, Storage, and Quality Control
Because terpenes are volatile, their concentration can degrade over time. Exposure to heat, light, and oxygen reduces potency. For optimal therapeutic benefits, cannabis should be stored in airtight, opaque containers, ideally in cool, dry environments.
When choosing a product, look for:
- Lab-tested terpene profiles
- Strain-specific chemical breakdowns
- Clear indication of major constituent terpenes
Be wary of overly fragrant or synthetic-smelling products—they may contain other compounds or artificial additives not found in natural cannabis plant profiles.
Get Connected to a Medical Marijuana-Friendly Sober Living Program
Terpenes are more than just the aromatic compounds found in your favorite strain—they’re important compounds that interact with the body’s endocannabinoid system, influence psychoactive properties, and hold potential for therapeutic and medicinal uses across disciplines.
As research continues to deepen, expect terpenes to become an even bigger part of the conversation around cannabis consumption, alternative medicine, and drug delivery systems. Whether you’re a patient, a practitioner, or a curious reader, understanding terpenes is key to making informed, health-focused choices in the evolving world of medical marijuana.
If you are using medical marijuana while you are in recovery from addiction, you’re going to need support. At Patrick’s Purpose, we allow our clients to use medical marijuana to treat their conditions while they attend sober living. Contact us today for more information on our medical marijuana-friendly sober living program.
FAQ: Terpenes and Medical Marijuana
1. Can terpenes cause allergic reactions or side effects?
Yes, although uncommon, some individuals may experience mild allergic reactions or sensitivities to certain terpenes, especially in concentrated forms. Symptoms can include skin irritation, headaches, or respiratory discomfort. Always start with low doses when trying a new strain or terpene-rich product and consult with a healthcare provider if you have known sensitivities.
2. Do terpenes show up on drug tests?
No, terpenes do not trigger positive results on standard drug tests, which typically screen for cannabinoids like THC or its metabolites. However, if you’re using a cannabis product that includes both terpenes and THC, the THC—not the terpenes—may cause a positive test.
3. How are terpenes extracted from cannabis or other plants?
Terpenes are usually extracted using methods like steam distillation, cold pressing, or supercritical CO₂ extraction. These processes preserve their integrity for use in essential oils, cannabis concentrates, and infused products. The method used can impact both purity and potency.
4. Can synthetic terpenes mimic natural ones?
Yes, synthetic terpenes can replicate the molecular structure of natural ones, and they’re often used in mass-produced cannabis products for consistency. However, they may lack the nuanced interactions found in full-spectrum, naturally derived profiles, and their safety in long-term use is still under study.
5. Are there specific terpenes best suited for daytime vs. nighttime use?
Generally, uplifting terpenes like limonene and pinene are preferred during the day due to their energizing effects, while relaxing terpenes like myrcene and linalool are better suited for nighttime or pre-sleep use. Choosing the right terpene blend can help tailor your experience to specific needs or times of day.
6. How can I find terpene profiles for specific cannabis strains?
Look for third-party lab results or Certificates of Analysis (COAs) provided by dispensaries or brands. These reports typically list dominant terpenes by percentage. Online strain databases and some cannabis-focused apps also offer crowd-sourced and lab-sourced terpene profiles.
References:
- Science Direct: Medicinal properties of terpenes found in Cannabis sativa and Humulus lupulus
- National Institute of Health (NIH): Terpenes/Terpenoids in Cannabis: Are They Important?
- The University of Arizona Health Sciences: Study Shows Cannabis Terpenes Provide Pain Relief, Contribute to ‘Entourage Effect’
- NIH: The Cannabis Terpenes