5 Best CBG Oils: Reviews & Guide (September 2021)

By | last updated September 26, 2021

Evidence Based 17

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Like CBD, cannabigerol (CBG) is a non-intoxicating cannabinoid with many potential health benefits.

Given its novelty, finding quality CBG oil and other products containing CBG can be difficult. Some might contain less CBG than advertised, while others simply cost too much.

To make your search easier, we compared 15 CBG products from leading brands based on third-party lab test results, hemp quality, potency, price, and other criteria.

Read on for our reviews of the best CBG oils and an evidence-based guide to this minor cannabinoid.

CBD Terminology

  • Terpenes: aromatic plant compounds with a wide variety of beneficial properties (1).
  • Minor cannabinoids: CBN, CBG, and other beneficial cannabinoids that are present in smaller amounts than CBD.
  • Hemp: a non-intoxicating variety of cannabis with high CBD and low THC levels (>0.3%).
  • Full-spectrum: whole-plant hemp extract containing CBD, THC, and other beneficial hemp cannabinoids and terpenes. This CBD form is up to 4 times more potent than pure CBD (2).
  • Broad-spectrum: whole-plant hemp extract similar to full-spectrum CBD, but with THC removed (may contain trace amounts).
  • CBD isolate: pure CBD with all other hemp compounds removed.

Lazarus Naturals CBD/CBG Oil Tincture (Best Overall)

lazarus naturals cbg cbd full spectrum tincture

5/5

CBD/CBG Potency50 mg/ml
Volume15-60 ml
Total CBD+CBG750-3000 mg
Value (Cost per mg)$0.02-0.03
TypeFull-spectrum
Third-Party TestsView report

Use coupon code CBDTHINKER for 15% off

Pros: 

  • Exceptionally low price
  • Comprehensive third-party testing
  • USDA-certified organic Oregon hemp

Cons:

  • No flavored options

The CBD/CBG oil from Lazarus Naturals is the best CBG tincture we’ve come across. It provides a 1:1 ratio of CBD to CBG, with 750-3000 mg of cannabinoids per bottle.

This tincture is full-spectrum, USDA-certified organic, high-potency (50 mg CBG/CBD per ml), and comes at the exceptionally low price of $0.02-0.03 per mg.

If you want to save big on high-quality CBG oil, this is your best option. You can choose from 15 ml, 30 ml, and 60 ml bottles; we recommend the largest one to get the highest savings.

Made from USDA-certified organic hemp cultivated in Central Oregon, this oil comes with full third-party test results.

Lazarus Naturals is an employee-owned CBD company known for offering exceptional products at the lowest prices in the industry.

NuLeaf Naturals Full Spectrum CBG Oil (Best Potency)

nuleaf naturals cbg oil

5/5

CBG Potency60 mg/ml
Volume30 ml
Total CBD+CBG300-1800 mg
Value (Cost per mg)$0.10-0.13
TypeFull-spectrum
Third-Party TestsView report

Use coupon code CBDTHINKER for 20% off

Pros: 

  • High CBG potency
  • Comprehensive third-party testing
  • Free shipping

Cons:

  • Not as cheap as some other brands

Most of the CBG oils you’ll find contain equal or higher amounts of CBD. If you’re looking for a potent product that’s rich in CBG, NuLeaf Naturals is the best option.

This full-spectrum oil provides 60 mg of CBG per ml, one of the highest potencies you’ll find. At the same time, it still contains smaller amounts of CBD, THC, minor cannabinoids, and terpenes to make the most of the entourage effect (1).

You can choose from 5, 15, and 30 ml bottles with a total of 300-1800 mg of CBG at a cost of $0.10-0.13 per milligram.

Established in 2014, NuLeaf Naturals is one of the most trusted American CBD brands. Its products are made from organic Colorado hemp and come with comprehensive third-party lab test results.

Upstate Elevator Supply Co. CBG Tincture (Best Hemp Source)

upstate elevator supply co full spectrum CBD CBG tincture

5/5

CBD/CBG Potency50 mg/ml
Volume30-60 ml
Total CBD+CBG1500–3000 mg
Cost per mg CBD+CBG$0.03
TypeFull-spectrum
FlavorsUnflavored
Third-Party TestView report

Use coupon code upstate10 for 10% off

Pros: 

  • Low price
  • Comprehensive third-party testing
  • High-quality, USDA-certified organic Vermont hemp

Cons:

  • No flavored options

If you’re looking for CBG oil made from the highest quality hemp, we recommend Upstate Elevator Supply Co.

Its full-spectrum CBD+CBG tincture is made from a proprietary strain of hemp bred specifically for Vermont. The plants are certified organic by the USDA and the state’s organic farmers organization. 

This full-spectrum oil combines a 1:1 ratio of CBD and CBG, with 50 mg of CBD+CBG per ml and a total of 1500-3000 mg of cannabinoids per bottle. It costs only $0.03 per mg, which is one of the lowest prices you’ll find.

Upstate Elevator Supply Co. is a top-notch CBD company based in Vermont. 

Medterra CBG + CBD Tincture (Best THC-Free)

medterra cbg tincture

4.5/5

CBD/CBG Potency33-67 mg/ml
Volume30 ml
Total CBD+CBG1000-2000 mg
Value (Cost per mg)$0.07-0.08
TypeBroad-spectrum
Third-Party TestsView report

Use coupon code OFFER15 for 15% off

Pros: 

  • US Hemp Authority Certification
  • Comprehensive third-party testing
  • Zero THC

Cons:

  • Lacks terpenes

We recommend Medterra’s CBG + CBD tincture if you need to avoid THC. This citrus-flavored oil provides 1000-2000 mg of pure CBG and CBD without any other cannabinoids.

You can choose the medium strength (33 mg/ml) or high-strength (66 mg/ml) option.

Derived from organic Kentucky hemp, this CBG oil is comprehensively tested for potency and contaminants. It costs $0.07-0.08 per mg of cannabinoids, which is slightly cheaper than average for CBG tinctures.

Medterra is a top-tier CBD brand out of California. Its products are certified by the US Hemp Authority, highlighting the company’s commitment to strict hemp production standards.

CBDfx CBD + CBG Wellness Tincture (Best for Overall Health)

cbdfx cbg wellness tincture

4.5/5

CBD/CBG Potency25-150 mg/ml
Volume30-60 ml
Total CBD+CBG750-9000 mg
Value (Cost per mg)$0.02-0.05
TypeBroad-spectrum
Third-Party TestsView report

Use coupon code FXSAVINGS for 15% off

Pros: 

  • Low prices
  • Comprehensive third-party testing
  • Five strength options

Cons:

  • Smaller CBG concentration (relative to CBD)
  • Not full-spectrum

If you want to use CBG oil for your overall health, we recommend the wellness tincture from CBDfx.

It combines a 2:1 ratio of pure CBD and CBG, alongside a blend of terpenes and two other ingredients with a wide range of potential health benefits: curcumin and coenzyme Q10 (3, 4). 

You can choose 30 or 60 ml bottles available in five strengths ranging from 500 to 6000 mg of CBD and 250 to 3000 mg of CBG. Depending on the strength, you’ll end up paying anywhere from $0.02 to 0.05 per mg of cannabinoids, which is well below the average price.

California’s CBDfx is one of the most popular brands on the market. It uses organic hemp grown in Kentucky to make its products and provides comprehensive third-party lab test reports.

Extract Labs Daily Support CBG Capsules (Best Capsules)

extract labs cbg capsules

5/5

CBD/CBG Potency66 mg
Capsule Count30 
Total CBD+CBG2000 mg
Value (Cost per mg)$0.05
TypeFull-spectrum
Third-Party TestsView report

Use coupon code GET15 for 15% off

Pros: 

  • High potency
  • Full-spectrum formula
  • Comprehensive third-party testing

Cons:

  • Not vegan-friendly (contain gelatin)

If you’d rather take CBG in the form of capsules, we recommend Extract Labs. Each full-spectrum capsule contains a potent 1:1 combination of CBD and CBG (33 mg each).

They cost only $0.05 per mg of cannabinoids so you’re getting a great deal. Made from organic hemp cultivated in Colorado, these softgels come with complete third-party lab test results.

Extract Labs is a reputable, veteran-owned CBD brand out of Colorado. It’s one of the best options for minor cannabinoid products like CBG and CBN.

What is CBG?

Cannabigerol (CBG) is a cannabinoid found in cannabis. It’s non-intoxicating just like CBD, so it can’t get you high. CBG is considered a minor cannabinoid because most cannabis plants contain less than 1% of it.

CBG comes from cannabigerolic acid (CBGa). Considered the “mother of all cannabinoids”, CBGa tends to turn into THCa, CBDa, and other cannabinoid acids (5). Only a small amount of CBGa turns into CBG. 

However, breeders are working on making cannabis strains with higher CBG levels. It’s also possible to get more CBG by harvesting and extracting plants at the optimal time.

What is CBG Oil?

CBG oil is a CBG-rich version of CBD oil. It can contain pure CBG, a specific mix or ratio of CBG and CBD, or CBG-rich full-spectrum hemp extract.

These cannabinoids are dissolved in MCT oil or another carrier oil to improve their absorption and taken under the tongue like a regular CBD tincture.

Most people use CBG oil to boost their mood, relieve pain, or support overall well-being.

CBG Oil Benefits

CBG has many potential health benefits. Although it’s seen far less research than CBD, early studies are promising:

  • A 2016 study in rats found that CBG can stimulate appetite (6)
  • A 2013 study in mice reported that CBG improved inflammatory bowel disease (7)
  • According to a 2017 review paper, CBG may have anti-inflammatory, pain-relieving, antibacterial, antidepressant, and anticancer properties (8)
  • Two animal studies of multiple sclerosis (MS) found that CBG and its derivatives improved neuroinflammation (9,10)
  • A 2015 study reported that CBG protected neurons from damage in mice with Huntington’s disease (11)
  • A 2019 petri dish study found that the combination of CBD and CBG reduced neuroinflammation better than either cannabinoid alone (12)
  • A 2010 study found that CBG strongly activates a2 adrenergic receptors, suggesting that it may have pain-relieving, sedative, and antihypertensive effects (13)

While this list of CBG’s potential benefits is impressive, more research is needed to fully understand its therapeutic prospects.

CBG vs CBD

Both CBG and CBD are non-intoxicating cannabinoids. They have some similar effects, like anti-inflammatory and analgesic (pain-relieving) properties (14). However, CBG also has some distinct effects.

For example, whereas CBD appears to slightly suppress appetite, CBG may have the opposite effect (15). 

Another interesting finding is that CBG blocks the serotonin (5HT1A) receptor, whereas CBD activates it (13, 16). This might explain why CBG isn’t good for anxiety.

CBG Oil Dosage

The right CBG oil dosage depends on your body weight, genetics, the benefits you’re looking for, the formula you’re using, and other factors. There isn’t a one-size-fits-all dosage.

Health experts recommend the “start low and go slow” approach to cannabinoids (17). 

Start with a 5-10 mg dose of CBG oil and wait two hours to see the effects. If it’s not enough, try a bigger dose next time. Repeat this method until you find the dosage that gives you the desired effects.

CBG Oil Safety & Side Effects

Studies of CBG’s safety are lacking. Having said that, available evidence suggests that CBG may have some side effects and interactions. For example, it might interfere with drugs that act on serotonin, such as SSRI antidepressants (10).

It’s best to talk with your doctor before taking CBG oil, especially if you’re on any prescription medications.

Choosing the Best CBG Oil

We consider several factors to find high-quality CBG oils:

  • Third-party testing (to verify the CBG content and lack of contaminants)
  • Type of CBG (to suit your needs)
  • Product potency (to get the best effects)
  • Hemp source (to get a high-quality product)
  • Company reputation (to find a trustworthy brand)
  • Price (to get a good deal)

Read on for a detailed explanation of why these criteria matter and how to use them.

Look for Third-Party Tested Brands

You should only buy from brands that have their products tested by an independent lab. Potency tests verify that you’re getting as much CBG and other cannabinoids as you should.

Meanwhile, contaminant tests check for pesticides, heavy metals, residual solvents, and other harmful substances.

Look for brands that provide complete third-party potency and contaminant test results. We also recommend checking the test documents yourself to make sure your CBG oil contains the right amount of CBG.

Type of CBG Oil

There are three types of CBG oil:

  • CBG isolate oil, which contains only pure CBG and no other active ingredients.
  • A mixed product that contains a specific ratio of pure CBG and CBD isolate.
  • Full-spectrum CBG oil, which contains a certain amount of CBG alongside CBD and other hemp cannabinoids and terpenes.

If you’re looking for the greatest effects, we recommend full-spectrum CBG oil because it maximizes the entourage effect synergy between cannabinoids and terpenes (1). 

But if you need to avoid THC, go with CBG isolate oil or a mixed CBG/CBD product with zero THC.

Product Potency

Potency is how many milligrams (mg) of cannabinoids are in a milliliter (ml) of oil. The higher the number, the stronger the product. For CBG oil, this number will either be the amount of pure CBG or the combination of CBG, CBD, and potentially other cannabinoids.

For example, an oil providing 25 mg of CBD and 25 mg of CBG per ml has a combined potency of 50 mg/ml.

We recommend high-potency (40+ mg/ml) CBG products because they’re convenient for both new and experienced users. 

Advanced users need stronger products to meet their dosage requirements, while beginners can take fewer drops to feel an effect. So try to look for CBG oil with a potency of 40 mg/ml or higher.

Check the Hemp Source

Since CBG is derived from hemp, the way it’s grown has a big impact on product quality.

Look for companies that use organic hemp and clearly tell you where and how it’s grown. The best hemp sources in the US include Colorado, Kentucky, and Oregon. European countries like Denmark and the Netherlands are also known for their great hemp quality.

It’s even better if the company grows and extracts its own hemp or has USDA organic certification.

Company Reputation

We look for established brands with positive customer reviews to make sure you’re getting a high-quality product. We also consider the company’s transparency, which includes revealing its hemp source, third-party test results, and other information that shows trustworthiness.

Price

We look for high-quality CBG oils at a reasonable price. We also help you compare the prices and value of products by listing the price per milligram (mg) of cannabinoids. The average price for CBG oil is about $0.12 per mg.

CBG FAQs

Is CBG better than CBD?

CBG may be more suitable than CBD for some uses, such as relieving pain. However, it’s far too early to say anything conclusive as more research is needed.

How do you take CBG oil?

You can take CBG oil the same way as a regular CBD tincture. Fill the dropper, place the desired number of drops under your tongue, and hold for at least a minute before swallowing.

Does CBG oil help with pain?

Early research suggests that CBG may have pain-relieving effects (8). However, more studies are needed.

Is CBG legal?

Like all hemp-derived cannabinoids, CBG is completely legal.

Where can I buy CBG oil?

You can buy CBG oil in physical stores or online. We recommend the online option because it’s much easier to find high-quality, third-party tested products at affordable prices. 

References

  1. Russo, Ethan B. “Taming THC: potential cannabis synergy and phytocannabinoid‐terpenoid entourage effects.” British journal of pharmacology 163.7 (2011): 1344-1364.
  2. Pamplona, Fabricio A., Lorenzo Rolim da Silva, and Ana Carolina Coan. “Potential clinical benefits of CBD-rich cannabis extracts over purified CBD in treatment-resistant epilepsy: observational data meta-analysis.” Frontiers in neurology 9 (2018): 759.
  3. Hewlings, Susan J., and Douglas S. Kalman. “Curcumin: a review of its effects on human health.” Foods 6.10 (2017): 92.
  4. Hernández-Camacho, Juan D., et al. “Coenzyme Q10 supplementation in aging and disease.” Frontiers in physiology 9 (2018): 44.
  5. Brenneisen, Rudolf. “Chemistry and analysis of phytocannabinoids and other Cannabis constituents.” Marijuana and the Cannabinoids. Humana Press, 2007. 17-49
  6. .Brierley, Daniel I., et al. “Cannabigerol is a novel, well-tolerated appetite stimulant in pre-satiated rats.” Psychopharmacology 233.19 (2016): 3603-3613.
  7. Borrelli, Francesca, et al. “Beneficial effect of the non-psychotropic plant cannabinoid cannabigerol on experimental inflammatory bowel disease.” Biochemical pharmacology 85.9 (2013): 1306-1316.
  8. Deiana, S. “Potential medical uses of cannabigerol: a brief overview.” Handbook of Cannabis and Related Pathologies (2017): 958-967.
  9. Granja, Aitor G., et al. “A cannabigerol quinone alleviates neuroinflammation in a chronic model of multiple sclerosis.” Journal of Neuroimmune Pharmacology 7.4 (2012): 1002-1016.
  10. Carrillo-Salinas, Francisco J., et al. “A cannabigerol derivative suppresses immune responses and protects mice from experimental autoimmune encephalomyelitis.” PloS one 9.4 (2014): e94733.
  11. Valdeolivas, Sara, et al. “Neuroprotective properties of cannabigerol in Huntington’s disease: studies in R6/2 mice and 3-nitropropionate-lesioned mice.” Neurotherapeutics 12.1 (2015): 185-199.
  12. Mammana, Santa, et al. “Could the combination of two non-psychotropic cannabinoids counteract neuroinflammation? Effectiveness of cannabidiol associated with cannabigerol.” Medicina 55.11 (2019): 747.
  13. Nachnani, Rahul, Wesley M. Raup-Konsavage, and Kent E. Vrana. “The Pharmacological Case for Cannabigerol.” Journal of Pharmacology and Experimental Therapeutics 376.2 (2021): 204-212.
  14. Cather, Jennifer Clay, and J. Christian Cather. “Cannabidiol primer for healthcare professionals.” Baylor University Medical Center Proceedings. Vol. 33. No. 3. Taylor & Francis, 2020.
  15. Farrimond, Jonathan A., Benjamin J. Whalley, and Claire M. Williams. “Cannabinol and cannabidiol exert opposing effects on rat feeding patterns.” Psychopharmacology 223.1 (2012): 117-129.
  16. Campos, Alline Cristina, and Francisco Silveira Guimarães. “Involvement of 5HT1A receptors in the anxiolytic-like effects of cannabidiol injected into the dorsolateral periaqueductal gray of rats.” Psychopharmacology 199.2 (2008): 223-230.
  17. Lucas, Catherine J., Peter Galettis, and Jennifer Schneider. “The pharmacokinetics and the pharmacodynamics of cannabinoids.” British journal of clinical pharmacology 84.11 (2018): 2477-2482.

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