Standing in front of a shelf of CBD products – or scrolling through dozens of tabs – it is easy to feel like you need a chemistry degree. Percentages, milligrams, "spectrum" this and "isolate" that. The good news is that once you know where to look, a CBD label is far less mysterious than it first appears. Here is a plain-English guide to reading a CBD label in the UK, so you can shop with confidence.
Start With the Front of the Pack: Total mg vs Per-Serving mg
The big number on the front of most CBD products is the total amount of CBD in the whole bottle or jar. A "300mg" oil, for example, contains 300mg of CBD across the entire 30ml bottle. That does not tell you how much is in each serving.
To work that out, look for the per-serving information on the back of the pack. For capsules and gummies this is usually simple, because each piece contains a set amount. For instance, our CBD Capsules 600mg – Medium (60 capsules) list 10mg of broad-spectrum CBD per capsule, so the jar total and the per-capsule amount are both clearly stated. Always follow the serving guidance printed on the pack rather than guessing.
Understand the Words: Full Spectrum, Broad Spectrum and Isolate
You will often see one of three terms on a label:
- Full spectrum – contains CBD alongside other naturally occurring hemp compounds, including trace amounts of THC (within legal limits).
- Broad spectrum – contains CBD alongside other hemp compounds, with the THC removed.
- Isolate – contains CBD only, with other compounds removed.
None of these is "better" in every situation. It comes down to personal preference, so it is worth reading the label carefully to see which one you are buying. If you would like to dive deeper, our guide to CBD types in the Health Hub covers the differences in more detail.
Check the Ingredients List
Just like any food supplement, the ingredients list tells you a lot. Look for:
- The carrier – CBD oils are blended with a carrier such as MCT oil (derived from coconut) or hemp seed oil.
- Flavourings and sweeteners – useful to know if you prefer something simple, or if you have particular taste preferences.
- Allergens – these should be clearly highlighted. Always check, especially with gummies, capsules and chocolate.
- Suitability for vegans – many products, including our capsules, are vegan-friendly, and this is usually stated on the pack.
A shorter, clearer ingredients list is often easier to understand, and it makes comparing products simpler too.
Look for Batch Numbers and Best-Before Dates
A reputable brand will print a batch number and a best-before date on every product. These are not just admin details – the batch number allows a product to be traced back to a specific production run, and the date tells you how long the product is intended to stay at its best. Keep an eye out for short-dated stock too; brands that are open about this on the product page are showing you the same transparency you want to see on the label.
Ask About Third-Party Lab Testing
One of the best signs of a trustworthy CBD brand is independent lab testing. A certificate of analysis (often shortened to COA) is a report from an independent laboratory that confirms what is actually in a product, such as the CBD content stated on the label. Good brands make these easy to find or will share them if you ask. If a company cannot tell you where its products are tested, that is worth noting.
Know the Format That Suits Your Routine
Once you can read the label, the next question is which format fits your day. Oils are measured with a dropper and can be a flexible option; capsules are tasteless, tidy and easy to pop in a bag; gummies are a tasty option for people who like a treat. If you are brand new to CBD and prefer a gentler starting point, our CBD Oil Drops 300mg – Mild (30ml) are a popular entry-level choice. Check the product page for current flavour availability.
A Quick Label Checklist
Next time you are comparing CBD products, run through these questions:
- Is the total CBD content clearly stated, and can I work out the amount per serving?
- Does it say whether it is full spectrum, broad spectrum or isolate?
- Is the ingredients list clear, with allergens highlighted?
- Is there a batch number and best-before date?
- Can I find independent lab testing information?
- Are the serving instructions printed clearly on the pack?
If you can tick all of those, you are in a great position to make an informed choice.
Final Thoughts
Reading a CBD label does not need to be daunting. A little knowledge about total versus per-serving milligrams, spectrum types, ingredients and testing goes a long way, and it puts you in control of what you buy. Take your time, compare products, and always read and follow the serving guidance on the pack.
CBD products are food supplements and are not intended to diagnose, treat, cure or prevent any disease. Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. If you are pregnant, breastfeeding, taking medication or have a medical condition, please consult your doctor before use. Keep out of reach of children. Always read the label and follow the serving guidance on the pack.

