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CBD has been around for thousands of years, but has only recently begun to be used as a health and wellness product. It's only natural you'd have questions. 

  • How is Fog different from other CBD brands?

    We believe in radical transparency. Companies supplying CBD products should be held accountable for what’s in them. That’s why we conduct rigorous third party testing of all our products. To live by our promise, we make these results publicly available and encourage you to review them. You can see them here.

    We are also committed to premium quality. When it comes to CBD, quality matters from seed to shelf. We’ve partnered with US hemp farmers growing organically, without GMOs, to produce some of the finest raw material in the world. We build meaningful relationships with our farms to ensure you get pure hemp products that live up to the trust that you’ve put in us.

  • What is hemp?

    Hemp is a cannabis plant used around the world for its useful fiber and nutritious seeds. The hemp stalk contains terpenes, flavonoids, vitamins, chlorophyll, and its flowers contain phytocannabinoids like CBD.

    Our products use premium broad spectrum CBD extracted from organically-grown hemp.

  • Where is your hemp from?

    Our hemp is organically grown without GMOs in the United States.

  • What method do you use for CBD extraction?

    Our phytocannabinoid rich hemp oil is extracted using supercritical CO2 extraction in our GMP certified facility in Colorado, USA.

  • Why do you have a 30 day trial?

    Our mission is to introduce the world to honest and transparent CBD products. We know that for many people, our products will be their first experience with hemp CBD. We want you to be able to try it risk-free and make sure CBD is right for you.

    If you give our CBD a try and decide that it's not right for you, just reach out and we'll issue a full refund. In fact, we're so confident that you'll love Fog products that you can keep your purchase.

  • How does the 30 day trial work?

    The 30 day trial applies to all of our products.

    Your trial begins the day you receive your product in the mail. If you are dissatisfied with the product for any reason, just let us know and we'll issue a full refund. We encourage you to try the product for the full 30 days but will accept a return at any point.

    To initiate the refund, please reach out to our customer service team.

  • How does your subscription service work?

    Most people experience the best results when adding CBD to their daily wellness routine. For this reason, we offer a subscription service at a 20% discount on all orders you choose to have delivered to your door on a monthly basis.

  • Is CBD safe to take?

    Yes. If you’re not currently taking other medications you don’t have anything to worry about. If you are taking other medications, then you should talk to your regular treating doctor before trying CBD.

    A recent report by the World Health Organisation concluded: “the evidence from well-controlled human experimental research indicates that CBD is not associated with abuse potential. At present no public health problems (e.g. driving under the influence of drugs cases, comorbidities) have been associated with the use of pure CBD.”

    A review of current literature describes the safety profile of CBD as “in comparison with other drugs, used for the treatment of medical conditions, CBD has a better side effect profile”.

  • Is CBD safe if I’m currently taking other medications

    If you’re currently taking other medications it’s always a good idea to talk to your regular treating doctor before trying something new.

    There is only limited research on how CBD affects other medications but we do know that CBD is associated with drug interactions through inhibition of cytochrome P450 enzymes. Cytochrome P450 is an enzyme responsible for the metabolism and clearance of many common pharmaceutical drugs from the human body. This is quite common and grapefruit is another example of a plant that interacts with cytochrome P450. These drug interactions mean that dosage adjustments or choosing medicines that do not interact with this system may be necessary.

  • What is the difference between CBD and THC?

    The main difference between them is that THC is psychoactive and CBD is not. What this means is that THC will get you high while CBD will not. The cannabis plant produces over 100 cannabinoid molecules that interact with the endocannabinoid system in humans and other animals. The two most studied molecules produced by cannabis are THC and CBD. To learn more about how CBD and THC interact with the body, explore the Science of CBD.

  • Is CBD legal?

    Yes, CBD is 100% legal in the United Kingdom.

    This fact sheet from the Home Office explains that CBD in its pure form is not even classified under the Misuse Use of Drugs Act.

  • How can I be sure the product I’m purchasing contains what it says it contains?

    It’s important to check that the product you are purchasing has been lab-tested by a third party to show you everything in it. All reputable companies should be able to provide lab test results for their products and you can see ours here.

    An interesting study from 2016 looked at 84 products claiming to contain CBD and tested whether they actually contained what was on the label. Only 31% were labelled correctly. Fog products are all tested by a third party laboratory so you know exactly what you're getting.

  • How much CBD should I use?

    The most important thing here is finding what works for you. Recent research suggests that a dosage of 25mg can be used to reduce anxiety and induce sleep. Each of our Clarity daily capsules contains 25mg of CBD.

    As with most medications, it’s a good idea to start low and slowly increase to figure out what works for you.

  • What are the side effects of CBD?

    There are several studies investigating the side effects of CBD. Most of these studies use a high dose of 300mg or more and show patients and volunteers tolerate CBD very well having no signs of toxicity or serious side effects.

    A recent literature review of studies in humans discusses CBD safety for a wide array of side effects. They conclude from their survey, that none of the studies reported tolerance to CBD. In addition, psychomotor function and psychological functions were not disturbed. Treatment with up to 600 mg CBD neither influenced physiological parameters (blood pressure, heart rate) nor performance in memory tests.

    Minor side effects have been reported, the most common of which is tiredness. Less common are changes to appetite and diarrhea.

  • Will CBD show up in a drug test?

    CBD will not show up in a drug test.

    CBD will not be screened for in a drug test. If you’re taking a product that only contains CBD, you’re fine. However, if the product you are taking has any THC in it there’s a chance it may show up in high enough concentrations to produce a positive drug test result. Fog products do not contain any THC.

  • Can CBD help reduce anxiety?

    More research is needed but there are some really encouraging recent studies.

    One recent study concluded that CBD appears to be better tolerated than routine psychiatric medications. They also stated that CBD shows promise as a tool for reducing anxiety at doses of 25mg. To date, the results of these studies should be interpreted cautiously because all patients were receiving open-label treatment, and there was no placebo comparison group. If you’re doing your own research here, you need to look out for double-blind research and placebo-controlled studies.

    It’s also really important to note that some of older studies investigating the anti-anxiety effects of CBD were specifically related to anxiety promoted by THC. These trials suggest that CBD reduces high dose THC induced anxiety. The mechanism of action here is likely related to CBD’s ability to impede CB1 binding from THC. These particular studies should not be used as evidence of CBD’s activity related to generalised anxiety.

  • Does CBD relieve pain?

    More research is needed but there are some really encouraging recent studies.

    A trial from 2018 assessed pain relief in kidney transplant patients. Patients received increasing doses of oral CBD 50 to 150 mg twice a day for 3 weeks. Two patients had total pain improvement, 4 had a partial response in the first 15 days, and 1 had no change.

    Another study investigating the short‐term effect of CBD for relieving pain symptoms and improving the quality of life showed that, compared to baseline, there were significant reductions in pain scores. The pain examined included chronic headache, fibromyalgia, arthralgia, myalgia, and gastrointestinal pain. All participants were given sublingual CBD‐rich hemp oil drops, 25 mg/kg/day supplemented by 2 to 5 mg/mL of CBD once a week and up to a maximum of 150mg/day.

  • Will CBD help my skin?

    Without question, far more conclusive, scientific studies are needed, but CBD’s potential as a treatment for acne and other skin conditions is exciting.

  • Can CBD help patients with seizures?

    The evidence for the effectiveness of CBD in the treatment of seizures is rigorous and positive. There have been multiple double-blind, placebo-controlled studies.

    A meta-analysis is a research paper that looks at the results of multiple studies. One such analysis from 2018 investigated results from trials totalling 555 patients and concluded that CBD increased the percentage of patients with a greater than 50% reduction in seizures, resulted in complete seizure freedom in some patients and was responsible for increasing health-related quality of life.

  • Why does so much information I read say more research is needed when CBD has been used for thousands of years by millions of people?

    It’s true that cannabis has been used for thousands of years by millions of people. However, for the last one hundred years, cannabis has been illegal and this has made it very difficult for scientific organisations to gain approval to conduct appropriate trials. We know that cannabis and cannabinoids present a very low risk compared to many other drugs but to understand their therapeutic potential, more studies are required. The chart below shows the incredible growth in the number of scientific publications related to CBD since the early 2000s.

  • What are the ingredients in your CBD capsules?

    In addition to 25mg of CBD, each capsule contains certified organic Coconut Oil (MCT), all-natural Sunflower Lecithin, naturally-occurring Beta-Caryophyllene and Sorbic Acid, Gelatin Shell (Gelatin, Vegetable Glycerine, Water).

  • Are your products lab-tested?

    Yes. Fog CBD products are tested for potency, contaminants, and quality before being packaged and shipped to you, and is both 3rd-party and batch tested. See the results.

  • How should I use your CBD capsules?

    Adults should take one capsule up to twice daily. We like to take one 30-60 minutes before bed for better sleep. As with any dietary supplement, consult your healthcare provider prior to use, especially if you are pregnant, nursing, or take medication on a regular basis or if you have a medical condition.

  • What should I expect taking CBD?

    How and when you see the benefits of taking CBD depends on a number of factors, including how fast your metabolism works and how much you weigh. Some people see the effects after only using it once while others notice effects after using CBD for a few nights. Patience and consistency is key.

  • What is the shelf life of your CBD capsules?

    Our CBD capsules have a shelf life of 18 months.

  • What is the capsule itself made from?

    The encapsulation is made from gelatin and glycerin.

  • Do your capsules contain THC?

    No. Our broad spectrum extraction process removes all traces of THC. We make all of our testing on our finished goods publicly available – see for yourself.

  • When will I receive my order?

    All orders ship within 2-3 days. As soon as the order ships, you’ll receive a shipment notification code with a tracking number. We currently ship with Royal Mail.

  • How do I request a refund?

    If you are not fully satisfied with your purchase, you may request a full refund on the purchase price within 30 days of order. Please email

  • Where do you ship?

    We currently ship anywhere within the United Kingdom.

  • Can I cancel my order?

    Cancellations must be made prior to receiving your tracking information. If you need to cancel after your order has shipped, you can reach out to to initiate a return.

  • What if something is wrong with my order?

    If something’s wrong with your order, send an email to and we’ll make sure it gets resolved!

Still have questions? Email us at and we'll get back to you.

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