Decide whether CBD is appropriate
Before comparing bottles, check whether CBD is suitable for you. The FSA advises several groups not to consume CBD unless under medical direction, including people taking medication and those who are pregnant or breastfeeding.
CBD food supplements are not substitutes for diagnosis or treatment. If your goal concerns a symptom or condition, begin with a qualified healthcare professional.
Compare the serving, not the bottle
A larger total milligram number can simply mean a larger container. Look for the CBD delivered by the maker's measured serving and how many servings the bottle contains.
The FSA advises a 10 mg daily limit for healthy adults. Instructions should let you measure intake reliably and understand how a serving relates to that guidance.
Check ingredients and format
Most oils pair an extract or isolate with a carrier such as medium-chain triglyceride oil or hemp seed oil. Check flavourings and allergens, and do not assume hemp seed oil naturally contains a meaningful amount of CBD.
Spectrum terms can describe the intended profile, but they do not replace testing. Choose based on the finished product, not a supposed ranking between isolate, broad spectrum and full spectrum.
Use a five-point checklist
A credible product should make several checks straightforward.
- The exact CBD amount per measured serving
- A batch number matching a recent certificate of analysis
- A complete ingredient list and clear business details
- A status you can verify on the current FSA list where applicable
- Careful language without promises to cure, prevent or treat disease
Know when to walk away
Avoid a product if the seller will not provide a matching lab report, hides the serving calculation, makes sweeping medical claims or presents the FSA list as an approval badge. Transparency cannot establish that CBD will work for you, but its absence is useful information.
Sources and further reading
We prioritise primary UK regulatory sources and review links when this guide is updated.