Last updated: June 2026
The UK CBD market has grown dramatically — and with it, the number of substandard and misleading products. Here’s how to protect yourself and buy with confidence.
Evopure CBD — published COAs, organic, transparent
Is CBD a scam?
CBD itself is not a scam. It is a well-researched, legal, non-intoxicating cannabinoid with a broad body of emerging evidence for general wellness support. However, the CBD market in the UK has significant quality problems. Industry testing has found that a large proportion of CBD products are mislabelled, under-dosed or even contain illegal levels of THC. The product may be real; the company selling it may not be trustworthy.
Being able to identify and avoid bad actors is essential to getting genuine value from CBD.
Why do CBD scams exist?
The CBD market has grown rapidly with relatively light regulation, making it easy for unscrupulous operators to enter. Most CBD is bought online rather than in regulated retail environments — which means less scrutiny and more opportunity to deceive. Well-intentioned customers seeking health benefits are easily targeted. Misinformation also spreads rapidly online, sometimes unknowingly by people who genuinely believe false claims.
Read more: 7 CBD benefits and side effects
Common CBD scams to watch for
1. Mislabelled products
Products with lower CBD content than advertised are the most common problem. Without a third-party COA, there is no way to verify what’s actually in the bottle. Industry audits have found many UK products to contain significantly less CBD than labelled — and some with virtually none at all.
2. Illegal THC levels
Some products contain more THC than legally permitted in the UK. This is not only illegal but potentially harmful — particularly if you operate vehicles or machinery. Any UK brand that cannot verify THC levels via a third-party COA should be avoided.
3. Medical claims
Selling CBD as a treatment, cure or medicine is illegal in the UK. Any brand making specific medical claims — “cures arthritis,” “treats anxiety” — is breaking the law and should not be trusted. Legitimate CBD brands communicate wellness support without making clinical claims.
4. “Free trial” scams
Free trial offers where you only pay postage often come with hidden subscription agreements or sub-standard products. Reputable CBD brands can’t give high-quality product away for free — the economics don’t work. Look for genuine subscription discounts from established brands instead.
5. High CBD, suspiciously low price
CBD extraction, quality testing, licensing and organic certification all cost money. A product claiming high CBD mg at a fraction of the market price is almost certainly cutting corners somewhere — whether on CBD content, production standards or both.
5 ways to avoid CBD scams
1. Learn the terminology
Understanding basic CBD terms protects you from confusion and mislabelling. Key ones: hemp vs marijuana; CBD vs THC; broad-spectrum vs full-spectrum vs isolate; COA (Certificate of Analysis). Our CBD glossary covers 45 key terms.
2. Always check the Certificate of Analysis (COA)
A COA is a third-party lab report for a specific batch of CBD. It must confirm: actual CBD content; THC at or below legal limits; absence of harmful contaminants (pesticides, heavy metals). If a brand doesn’t publish COAs openly, walk away. If they do, check the date — it should be for your batch, not years old.
Read more: How to read CBD lab results
3. Calculate price per mg of CBD
Never compare by bottle size. Calculate: total price ÷ total CBD mg = cost per mg. This reveals the true value of a product and exposes “bargain” large bottles that actually contain very little CBD.
Read more: CBD oil strength explained
4. Check source and organic certification
UK-legal CBD must be derived from EU-approved industrial hemp strains. Organic certification confirms no pesticides or chemical fertilisers. Check where the hemp is grown and ask for sourcing information if it’s not publicly available.
5. Buy from a reputable, established brand
Check Trustpilot or other independent review platforms. Look for transparent contact information, a real physical address and a history of customer service. Avoid marketplace sellers on Amazon or eBay — these platforms don’t allow genuine CBD, and most listings are hemp seed oil or trace-level products.
Frequently asked questions
How do I check if a CBD oil is legitimate?
Look for a recent batch-specific third-party COA, clearly stated CBD mg per bottle, EU-approved hemp sourcing, realistic claims and transparent brand contact information.
What are the red flags on CBD labels?
Vague potency (no mg listed), very high CBD for suspiciously low price, no contact details, missing or outdated lab results, or medical cure claims — all are warning signs.
Is CBD legal and what THC levels are allowed?
Yes — hemp-derived CBD is legal in the UK under FSA Novel Food regulation. Finished products must stay within the 1 mg THC per container limit. Any brand that can’t confirm this via a COA should be avoided.
Is it safe to buy CBD on Amazon or eBay?
No — both platforms prohibit genuine CBD. Most listings are hemp seed oil (which contains no CBD) or extremely dilute products. Always buy direct from a verified brand with published COAs.
How do I compare value between CBD products?
Calculate the cost per mg of CBD (total price divided by total CBD mg). Never compare by bottle size or volume alone — this is a common way scammers make products appear better value than they are.
Buy CBD you can trust
All Evopure products have published batch COAs, organic sourcing and real customer reviews. Take our quiz to find the right formula.
Take the free health quiz →Final thoughts on avoiding CBD scams
CBD is real and well-supported — but the market has serious quality problems. The key to protecting yourself: learn the terminology, always verify via a third-party COA, calculate price per mg (not per bottle), buy from established organic brands with genuine reviews, and avoid Amazon and eBay entirely for CBD. Any brand making medical cure claims or refusing to share lab results should be an instant red flag.
