Benedict's Law & Precautionary "May Contain" Labelling (UK 2026)
Benedict's Law and the FSA's “may contain” reform: use precautionary allergen labels only for genuine, unavoidable risks, and be specific. What to do before September 2026.
By Jamie Dawson · Editor
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Updated 22 Jul 2026
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2 min read
Quick answer: "Benedict's Law" is the campaign name attached to a push for stronger allergy protection following the death of five-year-old Benedict Blythe. In February 2026 the government committed to strengthening allergen guidance, with new measures expected to take effect around September 2026. In parallel, the Food Standards Agency has been consulting on making precautionary allergen labelling (PAL) ("may contain" statements) clearer and more consistent; that consultation closed in May 2026 and the FSA has updated its best-practice guidance. For food businesses, the direction of travel is clear: use "may contain" only where there is a genuine, unavoidable cross-contamination risk, and be specific about which allergen.
Two related strands, don't conflate them
Coverage of "Benedict's Law" often blends two distinct things. Businesses should keep them separate:
- The Benedict's Law campaign: focused largely on allergy safety in schools and settings (allergy policies, staff awareness, emergency response), following the inquest into Benedict Blythe's death.
- The FSA's precautionary allergen labelling (PAL) reform: about standardising "may contain" statements on food, so they are meaningful rather than a blanket disclaimer.
Editorial note: the exact legal instrument and its precise scope were still being finalised at the time of writing. Verify against the FSA and gov.uk before relying on specifics.
What is precautionary ("may contain") labelling?
PAL is the voluntary "may contain X" statement used to warn of unintended allergen cross-contamination. The problem the FSA is tackling: PAL has been applied inconsistently (sometimes as a catch-all to limit liability) which erodes trust and unnecessarily narrows choice for allergic consumers.
FSA best practice for PAL
- Only apply PAL where there is a genuine, unavoidable risk of cross-contamination that cannot be removed by segregation and cleaning.
- Be specific: say "may contain peanuts", not a vague "may contain nuts" or generic disclaimer.
- Base the decision on a documented risk assessment, not habit.
- Keep your PAL decisions consistent with your allergen matrix and cleaning records.
What food businesses should do now
- Review every "may contain" statement you currently use and check it is justified by a real risk.
- Document the cross-contamination risk assessment behind each PAL statement.
- Watch for the finalised guidance expected around September 2026 and update labels accordingly.
FAQs
Is "may contain" labelling mandatory?
Precautionary labelling is currently voluntary, but it must not be misleading. The FSA's reform aims to standardise its use; check the latest position before assuming any new mandatory requirement.
Can I just put "may contain nuts" on everything to be safe?
No, blanket precautionary labelling is exactly what the FSA is discouraging. Overuse makes the warning meaningless and unfairly limits allergic customers. Apply it only where a real, unavoidable risk exists.
When do the changes take effect?
Government committed in February 2026 to strengthening guidance, with measures expected around September 2026. Treat dates as provisional and confirm with the FSA.