Japan Food Allergies: Labels, Phrases and Safe Eating

JGO! editorial team — WEBMARKS Inc. (Fujisawa, Kanagawa)

Japan can be navigated with a food allergy, but it takes planning and careful checks. For packaged processed food, Japanese rules require allergen labeling for nine specified ingredients; restaurants and counters selling freshly prepared food do not follow the same requirement. Labels are in Japanese, and a package label or restaurant menu cannot tell you everything about possible cross-contact. Use the steps below to check packaged food, communicate with staff and decide what to do when an answer is uncertain.

1. How Japan’s allergy labels work

As of April 2026, packaged processed foods sold in containers or wrappers must indicate when they contain any of Japan’s nine specified allergens. The Consumer Affairs Agency describes the rules in its overview of allergy labeling. This requirement does not apply in the same way to restaurant meals or prepared food sold over the counter.

Japan also has a list of 20 ingredients for which labeling is recommended, but not legally required. If one of these ingredients is absent from a label, you cannot conclude from that omission alone that the food does not contain it. The Consumer Affairs Agency’s food allergy labeling handbook explains the label formats and the difference between required and recommended items.

The rules changed in April 2026: cashew nuts joined the required list, while pistachio was added to the recommended list. Cashew labeling has a transition period through March 31, 2028, so a package without a cashew warning during that period is not proof that it contains no cashew. There is also a discrepancy among official materials: the April 2026 overview does not list pistachio among the recommended items, while the handbook and 2026 White Paper do. Check current information and do not rely on an old list. The Consumer Affairs Agency’s 2026 White Paper records the change and the transition period.

Food labels for products sold in Japan are written in Japanese. A translation app or a printed list may help you find relevant words, but use it as a reading aid rather than as proof that a product is safe. If you cannot confidently interpret a label or establish whether a product contains your allergen, do not treat the absence of a visible warning as confirmation.

2. Required and recommended allergens: the full list

The table gives the English names and Japanese forms that may appear on packaging. The required list applies to packaged processed foods; the recommended list is not a guarantee that every relevant ingredient will be declared. Japanese spelling can vary, so check the alternative forms as well as the most familiar one.

The full recommended list contains 20 items, including sesame, fish, soy and several nuts. Because recommended labeling is voluntary, a missing entry is not evidence that the ingredient was not used. For required allergens, remember that cashew is subject to the transition period until March 31, 2028; the 2026 White Paper explains why a package printed during this period may not yet reflect the new requirement.

Some label forms are alternatives or expanded descriptions rather than exact repetitions of the main allergen name. For example, 玉子 and たまご can stand in for 卵; 海老 and エビ are forms of shrimp; and 蟹 and カニ are forms of crab. 小麦粉 and そば粉 identify flour made from wheat and buckwheat, while ミルク, バター and チーズ are forms used for milk. The handbook also identifies ごま油 and 練りごま as forms that indicate sesame, and 鮭 or サーモン for salmon and 鯖 or サバ for mackerel.

3. How to read a Japanese ingredient label

Start by finding 原材料名, which means “ingredient names.” Read the full ingredient area rather than stopping after the first few items. Japanese labeling generally attaches allergen information to individual ingredients or additives, but a collective statement may appear at the end instead.

Look for 含む, meaning “contains.” A label might show a form such as マヨネーズ（卵・大豆を含む）, meaning “mayonnaise (contains egg and soy).” In other cases, allergens are gathered at the end of the ingredient information in a statement such as 一部に○○・○○を含む, meaning that the product contains the named items. The Consumer Affairs Agency handbook describes both individual and collective labeling.

Check additives as well as ingredients. Some packages separate ingredients and additives into different areas; others place a slash, ／, between them in a shared list. If ingredients and additives are shown separately, a collective allergen statement can appear at the end of each respective area. An allergen-containing additive is also relevant to the label check, so do not stop before the additives section.

Do not assume that an ingredient without an allergen note immediately after it is free of allergens. The handbook says that repeated allergen information may sometimes be omitted when the same allergen is already identified elsewhere in the individual ingredient labeling. Also check familiar alternative forms, such as 玉子 for egg or 小麦粉 for wheat, even when the label does not add a separate “contains” note after that word.

Look for any warning about shared manufacturing facilities or possible unintended contamination. Keep the outer box or wrapper while you use individually wrapped items: when small packets are packed together and are not intended for separate sale, allergy information may be printed only on the outer packaging. The Consumer Affairs Agency’s English food-labeling information explains that food labels in Japan are provided in Japanese.

4. Cross-contact: what labels do not tell you

An allergen can enter a food unintentionally during production even when it is not an ingredient. The Consumer Affairs Agency recommends a caution statement when manufacturers cannot rule out that possibility despite taking steps to prevent contamination. One example is a notice that the same factory also makes products containing a specified allergen.

A caution statement is useful information, but the absence of one does not confirm that cross-contact is impossible. It only means that no such warning appears on the label. If your allergy is severe, follow your doctor’s advice about what precautions are appropriate and how to assess uncertain products.

Restaurant and prepared-food settings also have cross-contact risks. The Consumer Affairs Agency lists shared cutting boards and knives, shared buffet spoons and tongs, and drink-machine nozzles that may carry milk drink residue into another drink as examples. It also identifies flour from wheat or buckwheat becoming airborne as a possible route of unintended contamination. These examples are reasons to ask about preparation and shared equipment, not a complete list of every risk.

5. Eating out: restaurants, buffets and food counters

Restaurants and counters selling freshly prepared food are not subject to the same allergy-labeling requirements as packaged processed food. Some businesses provide allergy information voluntarily, but the ingredients covered and the detail offered vary from shop to shop. A posted menu or website therefore may not answer every question about a specific dish or how it is prepared.

Check when any posted allergy information was last updated. The Consumer Affairs Agency notes that information provided by a shop is not guaranteed to be fully accurate or current, and advises checking its update date. Its July 2026 guidance on eating out and prepared food recommends asking a staff member who knows about allergies or speaking with the person responsible.

Make sure your message reaches the kitchen. The person taking an order may not be the person preparing the food, so ask staff to pass the allergy information to the person responsible for cooking. Where relevant, ask whether utensils can be separated or cleaned; the Consumer Affairs Agency specifically advises checking about equipment separation and cleaning. If staff cannot establish whether the food contains your allergen, or you remain unsure after asking, choosing not to eat there is an important option.

A quick nod or an answer such as “daijoubu desu” (“it’s OK”) should not replace a clear check of the ingredients and preparation. The phrase alone does not establish what the staff member understood or whether they checked with the kitchen. Show a written card, identify the specific allergen, and wait for a clear answer that addresses the food and any preparation concerns you need to raise.

Buffets and drink machines deserve particular attention because utensils and nozzles may be shared. Flour used in a kitchen can also become airborne, which matters when asking about wheat or buckwheat. No single restaurant procedure can be assumed from a menu label or from the fact that a dish appears not to contain an allergen; check with staff and follow your doctor’s advice about eating out.

6. Using the free allergy communication sheet

The Consumer Affairs Agency provides a free English Food Allergy Communication Sheet. It includes pictures of foods, their Japanese and English names, and checkboxes. Mark the relevant items and show the sheet to staff rather than relying only on a spoken explanation.

The sheet includes Japanese sentences meaning “I have a food allergy” and asking whether a food contains the items you have checked. It also includes a question about whether a warning for a shared manufacturing line is present. Use the parts that apply to the situation: a question about a packaged product’s manufacturing warning is not the same as a question about a restaurant’s cooking tools.

Be aware that the English sheet available when checked on November 3, 2026, still follows the older “8 required and 20 recommended” structure. It places cashew on the recommended side and does not include pistachio, so it does not match the April 2026 system. Add cashew and pistachio by hand if they are relevant to you, and do not treat the sheet’s older categories as a current official list. The Consumer Affairs Agency also notes that the checkboxes on its smartphone sheet work only after the sheet is downloaded, as explained on its food-labeling page.

Before going out, check that the items you need to communicate are marked and that the card is legible on your phone or on paper. When showing it, give staff time to read it and confirm that the information has reached the person preparing the food. If an answer is unclear, use the card to restate the concern or choose not to order.

7. Chain restaurant allergy checkers

Some chains provide online tools for checking menu items. The McDonald’s Japan allergy search lets users select multiple allergens and search for items that do not use the selected substances as ingredients. This can help narrow down what to ask about, but its results are not a guarantee that a menu item is safe for an individual.

McDonald’s Japan warns that an item returned as “not used as an ingredient” may still involve contact through frying oil or shared equipment in factories or stores. It also advises customers to check allergy information each time because ingredients and manufacturing or preparation processes can change. Read the company’s notes alongside the search results rather than treating the filter as a cross-contact check.

The search page states “8 required and 20 recommended, as of September 2024.” That classification predates the April 2026 change adding cashew to the required list and pistachio to the recommended list. Use the tool’s current product information for the company’s stated ingredient details, but take the 2024 category note into account and check cashew and pistachio carefully.

8. If you have a reaction

If you need an ambulance in Japan, call 119. Follow your doctor’s advice before travelling and during your trip; this guide does not replace individual medical guidance. If an emergency occurs, use the emergency number rather than relying on a restaurant or a travel-information service to provide ambulance dispatch.

The Japan Visitor Hotline handles support for accidents and illness as well as tourist information. According to the Japan National Tourism Organization (JNTO), it operates 24 hours a day, every day of the year, in English, Chinese and Korean. Call 050-3816-2787 from within Japan or +81-50-3816-2787 from abroad.

Keep the emergency numbers accessible before you need them. In Japan, 119 is the number for an ambulance; the JNTO hotline is a separate service for assistance with accidents, illness and travel questions. For medical decisions specific to your allergy, follow the advice you received from your doctor.

9. Mistakes first-time visitors make

Treating a missing label as proof of safety. The recommended allergens are not required to appear on every package, and cashew is still within its transition period through March 31, 2028. A missing cross-contact warning also does not show that unintended contamination has been ruled out.

Reading only the first ingredients. Check the whole ingredient area, including any additives after ／, any separate additives box and any collective statement at the end. Look for alternative forms such as 玉子, 海老, 小麦粉 and ごま油, and remember that repeated allergen notes may sometimes be omitted.

Assuming a restaurant follows packaged-food rules. Restaurant meals and counter-sold prepared food are not covered by the same labeling requirements as packaged processed food. Ask a knowledgeable staff member or manager, and make sure the person cooking receives the information.

Relying on a quick nod, an old card or an old online list. Show your written allergy information and confirm that staff understand which allergen you mean. Update an older card for cashew and pistachio if needed, and remember that the official English sheet checked in November 2026 still uses older categories.

Throwing away the outer packaging. If individual packets are not intended for separate sale, their allergy information may be printed only on the outer box or wrapper. Keep that packaging available until you have checked the relevant information for the items inside.

Continuing when the answer remains uncertain. Shared utensils, tools, drink nozzles and airborne flour are among the cross-contact examples identified by the Consumer Affairs Agency. If staff cannot answer your question or you still have concerns, you can choose not to eat the food.

10. FAQ

Is allergy labeling required in Japan?

Yes, for nine specified allergens in packaged processed food sold in containers or wrappers. Restaurants and counters selling freshly prepared food do not follow the same labeling requirement. The required list includes cashew from April 2026, with a transition period through March 31, 2028.

Is sesame always labeled?

No. Sesame is on Japan’s recommended list, not the required list, so its absence from a packaged-food label does not establish that it is not present. Look for forms such as ごま, ごま油 and 練りごま when checking a label.

Are food labels in English?

No. The Consumer Affairs Agency says that food labels for products sold in Japan are in Japanese. A translation app or word list can help you find relevant text, but if you cannot confirm what a label means, do not treat an uncertain reading as confirmation of safety.

What does 含む mean?

含む means “contains.” It may appear beside an ingredient, as in マヨネーズ（卵・大豆を含む）, or in a collective statement at the end of an ingredient area. Check the whole label, including additives, because allergen information can appear in more than one place.

When ingredients and additives are printed in separate fields, a collective statement may appear at the end of each; when they share one field, “／” can mark the boundary between them. Some allergens may appear under alternative Japanese names—for example, 玉子 or たまご for 卵—so do not rely on an exact character match.

Is soba safe if I have a wheat allergy?

Do not assume that it is. The Consumer Affairs Agency identifies airborne buckwheat or wheat flour as a possible source of unintended contamination, and restaurant equipment may also be shared. Ask the shop about preparation and follow your doctor’s advice; if uncertainty remains, choose not to eat there.

What number should I call for an ambulance?

Call 119 in Japan when you need an ambulance. The JNTO Japan Visitor Hotline is a separate service for accident, illness and tourist assistance; it operates around the clock in English, Chinese and Korean. Its number is 050-3816-2787 within Japan and +81-50-3816-2787 from abroad.