Since being made legal in the UK three years ago, the cannabis oil industry has exploded, and products containing cannabidiol (CBD) are now a common sight on high street shelves.
Globally, the market is now worth billions â but are businesses flogging an ever-increasing range of CBD oils, ice creams, and even sweets in a cynical get rich quick scheme, or is the cannabis-derived ingredient a new wonder drug?
Donât ask a retailer. By law theyâre not allowed to sell CBD for medicinal purposes without a licence â and none have been granted yet â nor are they allowed to make any claims about its possible health benefits.
Look online though and youâll be swamped by website editorials claiming it can help with anxiety or depression, relieve pain, ease the symptoms of cancer, and even reduce acne.
Dr Michael Porter, a lecturer in molecular genetics and cell biology at the University of Central Lancashire (UCLan), warned thereâs little evidence to prove high street products containing CBD can treat any ailments, and urged people to speak to their GP instead.
It comes after one shop in Blackpool was ordered to remove signs describing the oil as being for a âmedical purpose onlyâ.
By law, CBD products sold for medicinal purposes must be licensed, which means retailers have to sell it as a food supplement instead.
Prices vary, but one national retailer was recently selling a 30ml bottle – containing five per cent CBD – for ÂŁ44.99. A bottle of Chanel perfume is cheaper.
And Dr Porter said: âEvidence for its benefits in treating disease symptoms is unfortunately very limited and much more research is needed to identify where cannabis-based drugs will be of most use and any potential long-term effects.â
He said there is some âlimited evidenceâ to suggest cannabis-based products available on prescription, which have varying amounts of CBD in them, could be used to treat chronic pain, some forms of epilepsy, and nausea and vomiting caused by chemotherapy.
But he added: âNon-medicinal CBD products are legal and widely available on the internet and from health food retailers, but they lack quality standards and should never be used for medicinal purposes.
âAnyone using CBD oil on the high street is extremely unlikely to gain any benefit whatsoever, while spending a great deal of money and using a product which lacks the quality control levels of a medicine.â
CBD is extracted from the flowers and buds of cannabis plants and does not contain the pschoactive element THC â the part of the recreational drug that makes people high.
To remain legal in the UK, the level of THC in CBD products is not allowed to exceed 0.2 per cent.
But that hasnât stopped CBD from rocketing in popularity.
It was likened to â2019âs avocado toast, this momentâs turmeric shotâ by one national newspaper, which added: âIf CBD does what its advocates suggest – or even a fraction of it – this all-natural, side effect-free, widely available chemical could genuinely be the wonder drug of our age.â
But the Medicines and Healthcare products Regulatory Agency (MHRA), which is responsible for making sure medicines work, has yet to grant a single medicinal licence for CBD.
âLicensed medicinal products have to meet safety, quality, and efficacy standards to protect public health,â it said when it took a formal position on CBD in October 2016.
It added: âOur primary concern is patient safety and we wish to reiterate that individuals using cannabidiol (CBD) products to treat or manage the symptoms of medical conditions should discuss their treatment with their doctor.â
Regulated CBD âeffective epilepsy treatmentâ
The Whole Health Organisation said in a report that CBD âhas been demonstrated as an effective treatment of epilepsy in several clinical trialsâ, with one pure CBD product, Epidiolex, going through the licensing process.
âThere is also preliminary evidence that CBD may be a useful treatment for a number of other medical conditions,â it added, though the charity Epilepsy Action warned âmost studies have used highly-regulated pharmaceutical grade CBD under medical supervisionâ.
It added: âWe donât know if unregulated CBD products, for example those available in … shops, are safe or effective.â
The NHS said âmany cannabis-based products are available to buy online but their quality and content is not knownâ, and warned: âThey may be illegal and potentially dangerous.
âSome products that might claim to be medical cannabis, such as CBD oil or hemp oil, are available to buy legally as food supplements from health stores.
âBut thereâs no guarantee there are of good quality or provide any health benefits.â
Our columnist Jenny Logan recently shared her tips to ensure the quality of a CBD product before buying it.
++ Is the supplier well established? How long have they been trading for?
++ Is every batch tested and checked for THC content? What maximum level will the supplier check for?
++ Is the product clearly labelled? Do you know exactly what you are buying and what does you will get each time?
âDo you know what you are taking?â
Kelsey Clark took CBD oil for her anxiety, and journalled her findings online.
At first she was skeptical, she said. By the end, she said she would stop short of saying it had âfundamentally changedâ her life.
âWith that said,â she added. âIâm definitely intrigued enough by the subtle effects to continue taking the oil and possibly even to up the dosage to the recommended two full droppers of the 30mL bottle per day for a week or so.â
Nick Tofalos, an experienced osteopath who sells CBD oil from his shop, Garstang Natural Health, said: âPeople will come in and say, âWill it help me with pain?â The simple answer from a retailer is âWe donât know, thereâs only one way to find out.â
âMost people, most of the time, have done their own research.â
Nick said people should feel safe buying the product from a reputable retailer but warned of âcharlatansâ flogging below-par versions.
âThat has been happening,â he said. âTherefore, the concern is, âDo you know what you are taking?â
âMost will not be toxic or dangerous, it just wonât be any good. There are charlatans out there conning people. They are selling very poor quality products at a very high price.
âThey donât have a health background, they are just trying to make money. It means the public are vulnerable because people donât know where to turn.â
Nick, whose products have been tested for safety in labs, said buyers should look for âdeep brownâ CBD oil with an earthy, grassy smell, and should turn to experts who are able to answer questions, like whether the product will affect any current medication they are on.
Shop rapped over âmedical cannabis oilâ
A Blackpool shop recently landed itself in hot water with the council after posting signs outside saying âmedical cannabis oil sold hereâ and âcannabis extract oil – medical
By law, CBD oils cannot be advertised as medicinal without a licence, and no claims about their possible health benefits can be made by retailers.
Council workers visited the store, in the town centre, which removed the signs and will face no further action, a spokeswoman said.