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The Strongest and Most Effective CBD Oil in the UK

By now we know that the CBD market is a multi-billion dollar one in North America, but what about the UK? Or the rest of the world for that matter? As it happens, dozens of countries are embracing cannabidiol, and perhaps none more so than the United Kingdom, where the CBD market has already exceeded £50 million. An estimated 300,000 UK residents use CBD oil, and the number seems certain to increase in the years to come.

Still, all things considered, the market is a fledgling one and UK CBD customers are learning the ins-and-outs of which products work best, and why. In this guide, we look at five of the strongest CBD oils in the UK for those that are looking to maximize potency and effects relating to pain relief, stress and anxiety relief, and more.


  • High-milligram CBD options can potentially provide very strong effects
  • Potent options also often last longer than standard (mid-range) CBD oils
  • A single high-milligram dose can be effective for an entire day (rather than having to take several doses throughout the day)
  • Many individuals find high-milligram CBD oils effective when other CBD products are not
  • Price (the strongest UK CBD oils are, obviously, also the most expensive)
  • High-milligram CBD oils in the UK can be tough to find in retail stores


Our near-unanimous pick for the strongest CBD oil in the UK goes to Provacan. This is a company that has been around for quite some time, and its reputation is increasingly preceding itself for quality, effectiveness, and overall value. Hit the button below to access the site and start shopping.

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Most Potent & Strongest CBD Oils in the UK

Though the general CBD market is still a fledgling one, UK residents certainly have no shortage of options when it comes to variety. This is why, for some of the different sections below, we tested and included a couple of different brands that we feel stand out. Without further ado, here are our team’s picks for the highest milligram, most potent, strongest CBD oils in the UK.



For this section, our team narrowed it down to three separate brands. After we reviewed each product, however, it was pretty clear which one the winner was. (See below for our unanimous top pick).

Love Hemp

This brand claims it is the #1 supplier of CBD and hemp products in the UK. It is a London-based company founded in 2015 that has earned praise for its innovative CBD water. However, it’s the Love Hemp CBD oil spray that stands out as far as milligram strength and potency. We tested a 100ml bottle of liquid which contained an extraordinary 10,000 mg of CBD, and were very pleased with the results.

love cbd

It’s also worth pointing out that Love Hemp’s CBD is extracted using solventless technology, and that the hemp they use is grown without the use of hormones, chemical fertilizers, or genetically modified products. In fact, there are just three ingredients that are used: organic hemp oil, hemp extract, and organic coconut MCT oil.

Hemp Botanics

When we reviewed this oil, it was the terpene content that stood out initially. Terpenes are what give cannabis its unique flavor and aroma profile, so this is a product that tastes extraordinarily good. Unlike other UK sellers, however, Hemp Botanics’ products contain American-hemp-derived cannabinoids, which genetically are considered some of the best in the world.

hemp botanics

Another thing that stood out with Hemp Botanics is the fact that you can purchase a 30ml bottle of full-spectrum CBD that contains a whopping 5000mg, for just £200. The bottle comes with a 1ml dropper, so if you were to consume a full (1ml) serving, you would get an incredible 166.67mg of CBD! The tinctures are also pesticide-free and are non-GMO.


Again, this is a list of the strongest CBD oils in the UK, and it was pretty clear when our team did the research that Provacan’s offering was #1. This is the best CBD oil we have tried, and while other brands on the list may actually have higher-potency products, Provacan has the edge in terms of pure results.

The brand is part of the CiiTECH family, which happens to have its own extraction facility and research laboratory. Provacan products are still tested by third party labs, but they perform a detailed level of analysis in-house that few competitors can compete with. All Provacan CBD oils come from certified organic EU hemp, and are made with a full-spectrum formula to ensure consumers benefit from the entourage effect.

Additionally, several Provacan CBD oils are kosher-certified and contain CBD, CBDv, CBG, CBDa, and naturally occurring omega acids, flavonoids, and terpenes. The products are developed in collaboration with expert researcher teams in Israel, allowing for a truly one-of-a-kind CBD formula.


Of course, these aren’t the cheapest oils on the market. The brand’s strongest CBD oil contains 1200mg of CBD per 30ml bottle, and costs £69.99. Aside from the CBD, each bottle contains 18mg of CBDa, 60mg of CBG, and 220mg of CBDv.

As we expected from such a highly-regarded brand, Provacan uses supercritical CO2 extraction to “pull” the CBD, terpenes, and other cannabinoids from the organic hemp plants. While this may not be the strongest CBD oil in the UK in terms of cannabidiol per ml, we feel it is the best in terms of quality – and at the end of the day, that’s what really matters.


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Love Hemp

Love Hemp’s oil is a little different from other tinctures insofar as you spray it beneath the tongue rather than painstakingly dropping out bits of oil. There is an extremely impressive 16 mg of CBD per spray, though we do recommend holding each spray beneath the tongue for at least 30 seconds (if not a full minute) before swallowing.

Using their third-party lab reports, our team discovered that there was actually 106mg of CBD and 4.2mg of CBDa per gram – which is actually a full 10% stronger than the label advertises. Even if you only used this spray once a day, a single bottle would last you four months – which is exceptional value for money and is why this brand took our pick for the most affordable option on the market.





Although Elixinol is not a UK company (they have their headquarters in California), they do ship to Britain and have an office in Manchester. We tested the 3600mg CBD oil bottle, and it grabbed an easy spot on our team’s list of the strongest products. The oil currently costs $249.99, which is around £180 or thereabouts when you take into account exchange rates.

In terms of CBD per ml, you get roughly 30mg per serving, which is a very reasonable dose. The oils also contain full-spectrum cannabinoid extract, and like other picks on this list, Elixinol products use organic, solventless CO2 extraction techniques. The products also contain a wide range of hemp phytocompounds including amino acids, flavonoids, vitamins, glycosides, aldehydes, and nitrogenous compounds.

Elixinol also provides certificates of analysis, and in fact, offers several lab reports for each individual product. The most recent report for the 3600mg tincture shows that there is precisely 3600mg of CBD in the oil, with a total THC content of just 0.11%.


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Final Thoughts on the Strongest CBD Oil in the UK

It wasn’t long ago that a 1000mg bottle of CBD was regarded as “high-potency.” The marketplace has changed at warp speed, and now, potencies of 5000mg or even more are not uncommon.

Still, all things considered, our team determined that Provacan products are far and away the best in terms of sheer effects. The brand’s unique formulation means that the oil it produces is powerful, and contains numerous cannabinoids, flavonoids, and terpenes to produce a potent entourage effect that will offer results for a variety of different uses.


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