CBG vs CBD: How are they Different?

Thomas L
CBG vs CBD: How are they Different?

The legalisation of cannabis in key nations made huge headlines. However, the long-anticipated regulatory changes didn’t quite manifest into the high many were expecting. The first wave of products to become street legal were only dried flowers, which you either smoked or cooked into your food. A lot of the same old habits, just brought out of the shadows.

Fast forward to today, and the industry is finally outgrowing its roots. The UK’s own market is estimated to be worth £300 million and is set to triple in growth by 2025. Products have evolved beyond the raw material and deeper into derivatives such as cannabidiol (CBD). Infused CBD oils, CBD rubs, CBD lollipops, and CBD sodas now share shelves with vitamin supplements at your local wellness shop. This phase of innovation has been called Cannabis 2.0, and has created much of the buzz around CBD.

Thousands of people are getting into, or at least becoming interested in, cannabis-derived products. And this is fuelling researchers to further pick apart the cannabis plant. With over 144 known cannabinoids, there can only be more beneficial compounds to discover. One of these, cannabigerol (CBG), is already showing promise with its curative and therapeutic properties.

Molecular structure

Cannabigerol acid (CBGA) is a precursor for many popular cannabinoids, including THC and CBD. Cannabis plants use CBGA to synthesise these metabolites, meaning it gets depleted as the levels of THC or CBD in a particular strain go up.

Taken on its own, CBGA cannot interact with our body’s cannabinoid receptors. However, when heated under specific temperatures, CBGA can be turned into CBG, a much more bioavailable form of the compound.


Cannabinoids produce the effects they have on our bodies by interacting with the endocannabinoid system. This system is responsible for a multitude of functions, including mood, pain, and appetite regulation.

CBG and CBD affect some of the same receptors, albeit with different outcomes and intensities. CBG binds directly to CB1 and CB2 receptors. CBD has relatively weaker affinity for them, yet still affect them indirectly in ways experts aren’t quite sure of yet. Some studies show that CBD acts as a mitigator against the effects of other cannabinoids. For instance, by serving as a buffer against the psychoactive effects of THC through dulling CB1 receptors.

Therapeutic benefits

CBD: Non-Intoxicating Calm

CBD has spent much time in the limelight since the discovery of the first CBD-rich strain in 2009. Touted as the non-psychoactive cousin of THC, the compound is a major driver of Cannabis 2.0 and the mainstream market’s acceptance of cannabis-derived products.

In the medical world, CBD’s popularity has prompted many clinical trials into its therapeutic benefits. Today, the cannabinoid is backed by a considerable body of research on its effects on a myriad of conditions, from anxiety to insomnia.

Much of CBD’s therapeutic potential lies in its power as an agonist, or an inhibitor. Among the cannabinoid’s most notable properties is its ability to treat types of childhood epilepsy that are resistant to anti-seizure medication. Another study found that it might be able to help individuals with anxiety through social situations such as public speaking.

CBG: Curative Effects Without the High

There’s not much conclusive information yet on CBG, as much of the spotlight–and funding for clinical trials–have gone to THC and CBD.

However, the research that is available shows that the lesser known cannabinoid might have potential beneficial effects for a myriad of conditions. CBG has been found to help maintain skin homeostasis, particularly for soothing inflamed or dry skin.

Cannabis is famous (or infamous depending on your point of view) for triggering food craving, also known as the munchies. That’s mostly thanks to THC, which causes an increased appetite when consumed. CBG may have similar effects, sans the psychoactive sensations that turn many away from THC. This makes the cannabinoid potentially invaluable for treating individuals with illnesses that cause reduced appetite.

In the field of ophthalmology, CBG has shown promise as an alternative treatment for glaucoma. The condition, where fluid build up causes damage to the optic nerves, affects about half a million people in the UK. Both CBG and THC have been found to significantly reduce intraocular pressure. However, only CBG does so without disrupting sleep.

What’s Next for CBG and CBD?

Current cultivars contain a minimal amount of CBG, chiefly because we haven’t been breeding for the compound. To make it as viable for mass production as CBD, breeders will need to produce strains that can consistently yield the cannabinoid at a higher rate. And that will take time. “It takes many years to develop these lines in a way that creates a uniform crop at any scale,” says Seth Crawford, co-founder of Oregon CBD. The San Francisco-based company is one of the first in the US working to get stable CBG-dominant seedlings out to market.

But CBG proponents have momentum–and science–on their side. CBG’s potential for medical uses makes the cannabinoid a strong contender going into Cannabis 3.0 and 4.0, where experts predict the industry will grow beyond recreational and novel use and start creating products that stand to be viable alternatives for over-the-counter medicine. “I think 4.0 is when you move to that curative state, 3.0 is when you move to help grandma and grandpa or me sleep better,” says Bruce Linton, former CEO of Canopy Growth.

In comparison, the CBD industry is well and truly in full bloom. By 2025, experts predict global market revenue will reach £16.9 billion. The space is already becoming saturated with brands who want to grab a slice of the pie for themselves. The next step for the businesses is improving the product, and convincing skeptical yet curious consumers that CBD is more than just the wellness industry’s latest flash in the pan.

Since January 2019 CBD has been considered a ‘novel food’,  meaning that you need to apply to the FSA for authorisation to sell it in the UK. At JM Wholesale, all the CBD products we stock are Novel food compliant, meaning you can buy with confidence, knowing they’re fully approved by the Food Standards Agency.

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