FALCPA vs EU Allergen Law: What International Food Brands Must Reconcile

International food brands selling in both the US and European Union face the challenge of complying with two different allergen labelling frameworks. FALCPA in the US and EU Regulation 1169/2011 (retained as UK law post-Brexit) differ in meaningful ways.

The Core Differences

Number of major allergens: FALCPA lists nine major allergens (milk, eggs, fish, shellfish, tree nuts, wheat, soybeans, peanuts, sesame). EU law covers 14 allergens, adding celery, lupin, molluscs, mustard, and sulphur dioxide/sulphites.

Labelling format: FALCPA permits a Contains statement as an alternative to in-text emphasis. EU law requires allergens to be emphasised within the ingredient list — a Contains statement alone is not sufficient.

Cereals containing gluten: EU law uses "cereals containing gluten" as the allergen category, requiring specification of the grain (wheat, rye, barley, oats). FALCPA uses "wheat" as the specific allergen — rye, barley, and oats are not separately required under federal law.

The Practical Approach for Dual-Market Products

The most practical approach for brands selling in both markets is to label to the stricter standard where possible. An ingredient list with all EU-required allergens emphasised within the text, supplemented by a Contains statement listing the FALCPA-required allergens, typically satisfies both frameworks.

Separate SKUs for Each Market

Some brands maintain separate product SKUs with market-specific labels. This is more resource-intensive but allows complete compliance with each market's specific requirements.

Understanding the Five EU-Only Allergens in Practice

The five allergens present under EU law but absent from FALCPA — celery, lupin, molluscs, mustard, and sulphur dioxide/sulphites — are not simply obscure edge cases. Celery appears frequently in European soups, stocks, and spice blends where it would go unnoticed by a US-trained formulator. Lupin flour has grown as a high-protein alternative ingredient in baked goods across European markets. Mustard is a ubiquitous component of marinades, dressings, and processed meats. For brands expanding from the US into Europe, these five allergens require a complete re-audit of every ingredient and compound ingredient in the formulation.

Sulphur dioxide and sulphites deserve particular attention because they function as preservatives rather than primary ingredients. They appear in dried fruits, wine-based sauces, vinegar products, and certain processed meats. EU law requires declaration when sulphites are present at concentrations above 10mg/kg or 10mg/litre, expressed as SO2. A US brand that has never been required to track sulphite levels against a threshold will need to introduce analytical testing or detailed supplier documentation to verify compliance before selling into any EU or UK market.

Molluscs also create a distinct challenge from the shellfish category already covered under FALCPA. FALCPA's shellfish definition covers crustaceans — shrimp, crab, lobster — but molluscs such as oysters, mussels, clams, and squid are not federally required major allergens in the United States. EU law treats them as a separate declared allergen. A brand producing seafood seasonings or sauces containing squid ink or oyster extract must identify and declare that ingredient explicitly for EU consumers, even if their US label currently carries no shellfish declaration relating to molluscs.

How Precautionary Allergen Labelling Differs Across Markets

Precautionary allergen labelling — the "may contain" or "produced in a facility that also processes" statements — occupies very different regulatory territory on each side of the Atlantic. In the US, precautionary labelling is entirely voluntary and unregulated at the federal level. The FDA does not prescribe any specific wording, frequency, or threshold for may-contain statements, which has led to highly inconsistent use across American food manufacturers. Some brands apply precautionary statements broadly as a legal precaution; others omit them entirely even where cross-contact risk is meaningful.

In the EU, precautionary allergen labelling is similarly voluntary but is the subject of detailed guidance from the Food Standards Agency in the UK and from EFSA across EU member states. The expectation, increasingly enforced through retailer standards and audit frameworks, is that precautionary statements should only appear where a genuine, assessed cross-contact risk exists. Using a may-contain statement as a blanket disclaimer when no real risk has been identified is considered misleading to consumers and is actively discouraged by regulators and major retail buyers. Brands entering the EU market from the US may need to revise their precautionary labelling approach entirely.

For international brands operating both markets simultaneously, the safest operational approach is to conduct a thorough allergen risk assessment at the production level, document cross-contact risks formally, and apply precautionary labelling only where the risk assessment supports it. This satisfies the spirit of both regulatory environments and aligns with retailer requirements in the UK and EU. It also reduces the risk of over-labelling, which can disadvantage products commercially when consumers interpret broad may-contain statements as evidence of poor manufacturing controls rather than genuine transparency.

Compound Ingredients and Declaration Depth

Both FALCPA and EU law require allergens to be declared when they are present in compound ingredients — that is, ingredients made up of multiple sub-components. However, the practical depth of declaration required can diverge in ways that catch brands off guard. Under FALCPA, the plain-English name of the allergen must appear either in the ingredient list or in a Contains statement, but the emphasis is on the final declared allergen rather than tracing every sub-ingredient. Under EU law, each component of a compound ingredient must be evaluated individually, and any allergenic component must be emphasised within the full ingredient declaration.

This distinction matters particularly for flavourings, spice blends, and processing aids. A flavouring that contains a celery extract, for example, must be declared with celery emphasised in an EU-compliant ingredient list, even if the flavouring itself is only a minor component of the overall product. In the US, that same product may not require any additional declaration because celery is not a FALCPA major allergen. Brands that source compound ingredients from European suppliers may find that the documentation accompanying those ingredients already flags EU allergens — that documentation is a useful starting point for building a dual-market compliance record.

Processing aids are another area where declaration depth diverges. EU law requires declaration of allergenic processing aids that are intentionally used and remain present in the final product, even in trace quantities. FALCPA focuses on ingredients used in manufacturing, but the treatment of processing aids can vary depending on whether they are considered incidental additives with no functional effect in the final product. International brands should work with their food technologists and regulatory advisors to map every processing aid used across their supply chain and determine how each should be treated under both frameworks before committing to a label design that covers both markets.

Managing Label Versions Across Digital and Physical Channels

For brands selling through e-commerce channels, allergen compliance extends beyond the physical label on the packaging. In both the US and EU, online food retailers are required to make allergen information available to consumers before purchase is completed. EU Regulation 1169/2011 explicitly covers food sold at a distance, requiring that the mandatory particulars — including allergen information — be available on the website or ordering platform prior to the conclusion of the purchase. This requirement was retained in full under UK law post-Brexit. In the US, while there is no single federal e-commerce labelling regulation equivalent to EU 1169, the FTC and FDA both hold that labelling claims made online must be consistent with the physical product label.

The operational challenge for international brands is maintaining consistency between the physical label version shipped to each market and the digital product information displayed on their online storefront. A brand using a single Shopify store to serve both US and EU customers must ensure that the allergen information displayed for each product reflects the correct regulatory framework for the market being served. Displaying a US-format allergen declaration to a UK or EU consumer, or omitting one of the 14 EU allergens from an online product page, creates both regulatory exposure and potential consumer harm.

Platforms and apps that allow merchants to manage market-specific product data — including allergen declarations formatted appropriately for each jurisdiction — are increasingly important for international food brands operating through Shopify. Keeping allergen data accurate, current, and correctly presented across every market and channel is not a one-time task; it requires a structured workflow that connects formulation changes, supplier updates, and label revisions into a single managed process. Allergen Matrix at saltai.app is built to support exactly this kind of structured allergen data management for Shopify merchants.

Building a Compliance Workflow That Scales

Small and mid-sized food brands often manage allergen compliance reactively — updating labels when a formulation changes or when a retailer raises a query. This approach works at low volume but becomes unsustainable as a brand adds SKUs, enters new markets, or onboards contract manufacturers with their own allergen management practices. Building a proactive compliance workflow means treating allergen data as a structured asset rather than a text field on a label template. Every ingredient should have a documented allergen status referenced against both FALCPA and EU frameworks, updated whenever a supplier changes their formulation or processing environment.

A scalable compliance workflow also separates the tasks of allergen assessment, label copy generation, and retailer submission. These are often collapsed into a single rushed process when a product launches, creating gaps that only surface during an audit or a customer complaint. Assigning clear ownership of each stage — who approves the allergen matrix, who signs off the label copy, who communicates changes to retail buyers — reduces the risk of inconsistency across markets and channels. For brands using Shopify to manage their catalogue, integrating allergen data management into the same platform used for product listing and order fulfilment removes a significant source of version-control errors.

Display correct allergen information for each of your target markets with Allergen Matrix at saltai.app.

Try Allergen Matrix free at saltai.app — no credit card required.