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The Hidden Threat in the Food Supply Chain
Food fraud — the deliberate and intentional substitution, addition, tampering, or misrepresentation of food, food ingredients, or food packaging — is an enduring and evolving threat to food safety and consumer trust. It ranges from mislabelled country of origin on lamb, to undeclared allergens in takeaway food, to the addition of water to chicken products, to the substitution of cheap fish species for expensive ones. In its most serious form, food fraud kills people — when allergens are concealed, when toxic adulterants are added, or when pathogens are introduced through falsified supply chains.
The UK's Food Standards Agency received 1,825 food and feed safety incidents in 2024/25 — and a significant proportion of these involved authenticity, fraud, and mislabelling concerns. The scale of the problem is difficult to measure precisely because most food fraud is never detected.
Key Facts & Figures (Overview)
- The FSA was notified of 1,825 food and feed safety incidents in 2024/25 — roughly stable on the 1,837 recorded in 2023/24
- The proportion of incidents classified as medium or high priority is increasing year on year, attributed to growing supply chain complexity
- Undeclared allergens are one of the most common and most serious categories of food authenticity incident — they are both a food fraud matter and a direct food safety risk capable of causing anaphylaxis and death
- The Food Fraud Network (FAN), operated by the FSA, had over 43,400 users from 166 countries access its platform in 2023 — indicating the global scale of the food authenticity problem
- The horsemeat scandal of 2013 — when beef products across Europe, including the UK, were found to contain undeclared horsemeat — remains the most significant food fraud event in UK history. It led directly to major reforms in supply chain traceability
- Food fraud is estimated to cost the global food industry around $10–40 billion per year (Interpol/EU Commission estimates)
- The most commonly fraudulent food categories globally include: olive oil, fish and seafood, organic produce, honey, milk, spices, and wine
- In the UK, the five most common food fraud categories identified by the FSA are: substitution (replacing a premium ingredient with a cheaper one), mislabelling (incorrect origin, weight, or content), adulteration (adding a foreign substance), counterfeiting (fake branded products), and concealment (hiding poor quality)
- 79% of food businesses in the UK operate as SMEs — and smaller businesses may have less sophisticated supply chain auditing, making them more vulnerable to food fraud in their raw materials
- The FSA's Food Authenticity Network (FAN) published new guidance and emergency preparedness frameworks in 2024 to improve the collective response to food fraud incidents
The Most Common Types of Food Fraud
Species substitution is one of the most thoroughly documented forms of food fraud. Research consistently finds that:
- A significant proportion of fish sold as expensive species (such as sea bass, red snapper, or wild salmon) is actually cheaper fish
- Lamb products may contain undeclared beef or pork
- “Basmati” rice may contain lower-grade varieties
Adulteration involves adding foreign substances to increase bulk or apparent quality. Historical examples include: water injected into chicken; milk adulterated with whey or plant proteins; spices cut with cheaper filler powders.
Origin fraud misrepresents where a product was produced or farmed. Organic fraud — selling conventionally produced goods as certified organic — is a significant category given the premium price of organic products.
Allergen concealment is both food fraud and a direct safety hazard. Takeaway businesses that falsely claim a dish is nut-free when it contains nuts — whether deliberately or through inadequate kitchen control — risk causing anaphylactic reactions in allergic customers. Peanut and tree nut allergen concealment cases have resulted in deaths and criminal prosecutions in the UK.
Food Fraud and the Food Business
For food businesses — particularly those relying on multi-step supply chains — food fraud creates both safety and legal risks. Under the Food Safety Act 1990 and the Food Safety and Hygiene (England) Regulations 2013:
- Section 14 makes it an offence to sell food that is not of the nature, substance, or quality demanded by the purchaser
- Section 15 makes it an offence to label food in a way that is false or misleading
- Businesses have a due diligence defence — demonstrating that they took all reasonable precautions and exercised all due diligence — but this requires active supplier verification, not passive acceptance of supplier claims
The FSA recommends that food businesses:
- Conduct supplier audits — not merely relying on certificates or assurances
- Use testing — laboratory analysis of ingredients for species identification, authenticity, and adulteration
- Maintain traceability — records of ingredient provenance sufficient to identify the source of a problem
- Participate in industry schemes — including BRC Global Standard certification, Red Tractor, and Assured Food Standards
Written by Food Safety Experts
This guide was produced by the team at Level 3 Food Hygiene Certificate, a UK provider of CPD-accredited online food hygiene training. Food fraud is a food safety issue as well as a regulatory compliance matter — understanding the types of fraud and how to mitigate supply chain risk is part of comprehensive food safety management.
