Why Allergen Management Failures Keep Happening
The Food Standards Agency issues allergen-related food alerts consistently — year after year, the same categories of failure appear: undeclared allergens on labels, cross-contamination during production, supplier mislabelling of ingredients, and rework added to products without allergen reassessment. These are not novel failure modes — they have been understood for decades. They persist because allergen management is treated as a compliance exercise rather than a quality management discipline.
BRCGS Issue 9 and FSSC 22000 Version 6 both strengthened allergen management requirements significantly. The certification standards now require demonstrated effectiveness — not just documented procedures. An allergen management programme that exists on paper but has not been validated through cleaning validation, verified through label checks, and tested through challenge exercises does not meet current certification requirements.
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The Eight-Element Allergen Management Programme
Step 01
Allergen risk assessment
Identify every allergen present in your site — in raw materials, ingredients, processing aids, rework, and shared equipment. For each allergen, assess the risk of cross-contact: during storage, during transfer, during production, during cleaning, and during rework. The risk assessment must consider both intentional presence (declared allergens) and unintentional presence (cross-contact risk). Update the risk assessment whenever a new ingredient is introduced, a new product is manufactured, or a process change is made.
Step 02
Segregation and zoning controls
Establish physical and procedural segregation controls proportionate to the cross-contact risk identified in your risk assessment. High-risk allergens — typically peanut, tree nuts, sesame, and celery for UK/EU manufacturers — require the most stringent segregation: dedicated storage areas, dedicated equipment, dedicated utensils, and dedicated production scheduling. Document the segregation controls in a site allergen management plan that is reviewed annually and whenever site or process changes occur.
Step 03
Cleaning validation
Validate that your cleaning procedures effectively remove allergens — not just that they remove visible soil or microbial contamination. Allergen cleaning validation requires: selecting the allergen-specific test method (ELISA-based allergen test kits), establishing the sampling locations and frequency for post-cleaning verification, running the validation protocol under worst-case conditions, and documenting the results as controlled quality records. Cleaning validation is not a one-time exercise — it must be revalidated when cleaning procedures, cleaning agents, or equipment change.
Step 04
Label control and verification
Label control is the last line of defence before allergen information reaches the consumer. A label control programme must cover: verification that artworks correctly reflect the ingredients in the specification, verification before production that the correct label is being applied to the correct product, and post-production verification that the label on the finished product is the approved label for that product. This three-stage verification eliminates the label error failures that account for a significant proportion of allergen recalls.
Step 05
Supplier allergen management
Your allergen management programme is only as reliable as the allergen information your suppliers provide. For every raw material: obtain and maintain a current allergen declaration from the supplier specifying both intentional allergen content and cross-contact risk in the supplier's manufacturing environment. Review supplier allergen declarations at minimum annually and whenever the supplier notifies a manufacturing change. Apply incoming inspection allergen verification proportionate to the risk — high-allergen-risk materials may require batch testing.
Step 06
Rework management
Rework — returned product reintroduced into production — is one of the highest allergen risk activities in food manufacturing. Every rework decision must include an allergen assessment: does the rework contain allergens that are not in the product it is being added to? If yes, rework cannot be used unless the finished product label declares the additional allergen. Document rework decisions and allergen assessments as controlled quality records.
Step 07
Staff training and awareness
Every employee who handles ingredients, operates in production, or performs cleaning must understand: what the 14 major allergens are, where allergens are present in your site, what cross-contact is and how it occurs, and what to do if they suspect an allergen cross-contact event has occurred. Training must be role-specific, regularly refreshed, and documented. This includes agency workers and contractors — who are among the highest-risk groups for allergen management failures due to limited site-specific knowledge.
Step 08
Challenge exercises and continuous improvement
Test your allergen management programme through annual challenge exercises: simulate an allergen cross-contact scenario and assess whether your detection and response procedures work as designed. Use the results to identify gaps and drive continuous improvement. Include allergen management performance data — near-misses, cleaning verification failures, supplier declaration issues — in your management review and trend analysis.
Allergen Management Programme Assessment Checklist
Allergen risk assessment completed for all raw materials, ingredients, processing aids, rework and shared equipment
Physical and procedural segregation controls documented in a site allergen management plan
Cleaning validation completed for all allergen removal cleaning procedures — with validated methods and documented results
Three-stage label verification programme operational — artwork verification, pre-production check, post-production check
Current allergen declarations maintained for all suppliers — reviewed annually and on supplier change notification
Rework allergen assessment procedure operational — all rework decisions include documented allergen assessment
Role-specific allergen awareness training completed for all production, handling and cleaning personnel
Annual allergen challenge exercise conducted with documented outcomes and improvement actions
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About AjaCertX
AjaCertX is a specialist compliance, certification and assurance partner serving food manufacturers, retailers and foodservice organisations globally. Our Food Safety practice delivers BRCGS and FSSC 22000 certification support, allergen management assurance, and recall readiness assessments.