Does Full-Spectrum CBD Work Better Than Other CBD Products?
Key Takeaways
- Full-spectrum CBD contains all of the components naturally found in the cannabis plant, including trace amounts of THC.
- The legal amount of THC allowed in full-spectrum CBD is 0.3%, the amount of which does not make most people "high."
- Full-spectrum CBD is thought to exert an "entourage effect," in which the combination of ingredients may make it more effective in easing pain, nausea, anxiety, and other symptoms.
Full-Spectrum CBD
- Includes the Psychoactive Ingredient THC
- May Help Treat Certain Forms of Epilepsy
- May Help Treat Anxiety Disorders
What Makes Full-Spectrum CBD Different?
"Cannabis spectrums" refers to the different compositions of cannabinoids, the cannabis extracts in CBD products. Full-spectrum CBD includes the complete range of cannabinoids.
The two most prominent cannabinoids include:1
- Cannabidiol (CBD): This is the active ingredient derived from both marijuana and hemp plants. Along with THC, it accounts for up to 40% of the plant's total extracts. Medically, CBD is recognized for its anticonvulsant (anti-seizure) properties.
- Tetrahydrocannabinol (THC): This is the psychoactive compound that causes the euphoric “high” feeling associated with marijuana. THC affects parts of the brain associated with pleasure, memory, thinking, appetite, and coordination.
There are also over 100 other cannabinoids in full-spectrum CBD, including:2
- Terpenes: These aromatic compounds, which give cannabis its distinct scent, are said to induce calm, lift moods, reduce anxiety, and help ease pain. Terpenes found in full-spectrum CBD include myrcene, limonene, caryophyllene, pinene, linalool, and humulene.
- Flavonoids: These compounds, which give cannabis plants their distinct color, have potent antioxidant and anti-inflammatory effects. When taken orally, they can help ease pain and protect cells from oxidative damage. Flavonoids found in full-spectrum CBD include apigenin, kaempferol, luteolin, and cannflavin A, B, and C.
By legal definition in the United States, full-spectrum CBD contains no more than 0.03% THC in dry weight. This amount is generally too low to cause the psychoactive "high" commonly associated with marijuana.3
What Are the Purported Benefits?
Full-spectrum CBD may provide enhanced therapeutic effects because of its complete combination of extracts, including THC. This synergistic interaction, known as the "entourage effect," is thought to be more effective than individual compounds alone.4
More research is needed to evidence these benefits. However, emerging research suggests that CBD may be useful for:51
- Reducing chronic pain, including neuropathic pain
- Easing anxiety and depression
- Improving sleep
- Relieving symptoms of post-traumatic stress disorder (PTSD)
- Treating seizure disorders
- Alleviating nausea and vomiting associated with chemotherapy or addiction
At present, the evidence supporting the use of CBD in any form is limited. A 2020 review of studies from Johns Hopkins University concluded that "rigorous, controlled evidence for the therapeutic efficacy of CBD is lacking for many health conditions." More research is needed.6
What Are the Other CBD Spectrums?
In addition to full-spectrum CBD, there are two other CBD spectrums largely characterized by the legal amount of THC in them.
These include:4
- Broad-spectrum CBD: This contains the same cannabinoids, terpenes, and flavonoids as full-spectrum CBD, but with the THC completely removed (or reduced to undetectable levels). It is thought to retain some of the entourage effect, albeit at lower levels. This type of CBD is preferred by athletes and others who may be subject to drug tests,
- CBD isolate: This is the purest form of CBD, containing only CBD and none of the other cannabinoids, terpenes, or flavonoids. While lacking the entourage effect, it may still be beneficial to people with chronic pain or seizures, as well as those with extreme sensitivity to even trace amounts of THC.
What Forms Does CBD Come In?
CBD is derived from either hemp or marijuana, and is available in both oral formulations (taken by mouth) and topical preparations (applied to the skin). CBD products sold in major retail stores are derived from hemp plants.7
CBD formulations include:
- Capsules, tablets, or pills
- Gummies
- Oils or tinctures
- Balms, creams, and lotions
- Food items, such as chocolates and candy
- Cosmetics
- Pet products
- Tea
On the federal level, the U.S. Food and Drug Administration (FDA) does not recognize CBD products like these as being effective in treating any medical condition. They do not fall under the category of "dietary supplements" and are not generally recognized as safe.3
On the state level, regulations and restrictions vary.
The only exception is an oral drug called Epidiolex, available by prescription. This CBD oral solution is FDA approved for the treatment of seizures associated with Lennox-Gastaut syndrome, Dravet syndrome, or tuberous sclerosis complex (a rare genetic disease that causes noncancerous tumors).3
Possible Side Effects and Risks
There is limited research on the safety of full-spectrum CBD. While it is generally well-tolerated, potential side effects may include:8
- Mood changes
- Diarrhea
- Dizziness
- Drowsiness
- Dry mouth
- Changes in appetite or weight
- Nausea or vomiting
- Liver toxicity
CBD can also interact with certain prescription drugs, including opioids, benzodiazepines, some antidepressants, and blood thinners like warfarin.1
CBD products should be avoided if you are pregnant or nursing, as their safety to the fetus or infant has not been established.9
How to Choose CBD Products
It's always recommended to consult with a healthcare provider before using CBD products for any reason. This is especially true if you have a pre-existing medical condtion or are taking chronic medications or supplements of any sort.
To better ensure purity and safety, only buy CBD products that have undergone third-party testing by an independent certifying body like the U.S. Pharmacopeia (USP), ConsumerLab, or NSF International. Certification verifies the absence of contaminants and ensures that the CBD and THC content are in the advertised amounts.
Sources
Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy.
1 National Center for Complementary and Integrative Health. Cannabis (marijuana) and cannabinoids: what you need to know.
2 Cavalli J, Dutra RC. A closer look at cannabimimetic terpenes, polyphenols, and flavonoids: a promising road forward. Neural Regen Res. 2020;16(7):1433-1435.
3 U.S. Food and Drug Administration. What you need to know (and what we’re working to find out) about products containing cannabis or cannabis-derived compounds, including CBD.
4 Christensen C, Rose M, Cornett C, et al. Decoding the postulated entourage effect of medicinal cannabis: what it is and what it isn't. Biomedicines. 2023;11(8):2323. doi:10.3390/biomedicines11082323
5 Wieckiewicz G, Stokłosa I, Stokłosa M, Gorczyca P, Pudlo R. Cannabidiol (CBD) in the self-treatment of depression-exploratory study and a new phenomenon of concern for psychiatrists. Front Psychiatry. 2022;13:837946.
6 Sholler DJ, Schoene L, Spindle TR. Therapeutic efficacy of cannabidiol (CBD): a review of the evidence from clinical trials and human laboratory studies. Curr Addict Rep. 2020;7(3):405-412. doi:10.1007/s40429-020-00326-8
7 U.S. Department of Agriculture. Hemp.
8 MedlinePlus. Cannabidiol (CBD).
9 Centers for Disease Control and Prevention. About CBD.
By Cristina Mutchler
June 08, 2026
Medically reviewed by Femi Aremu, PharmD
source: www.verywellhealth.com
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