Japan Convenience Store Food: Complete Allergen Guide

Quick Answer: How Konbini Food Labels Show Allergens

Japanese convenience stores (konbini) — 7-Eleven, FamilyMart, and Lawson — are required by law to label all 8 mandatory allergens on packaged food. These are: eggs (卵), milk (乳), wheat (小麦), shrimp (えび), crab (かに), peanuts (落花生), buckwheat (そば), and walnuts (くるみ). Most major konbini chains voluntarily label all 28 regulated allergens, including the additional 20 recommended ones like soybeans, sesame, and various fruits. Allergen information appears on the back of the package near the ingredient list, usually in a consolidated line starting with "（一部に...を含む）" meaning "contains some of..." followed by the allergen names. If you cannot read Japanese, take a photo of the label and use a scanner tool to get an instant allergen breakdown.

How Japanese Convenience Stores Label Allergens

Japan's Consumer Affairs Agency (消費者庁) mandates allergen labeling under the Food Labeling Act (食品表示法). Here's exactly how allergens appear on konbini food packaging:

• Location: Flip the package over. The ingredient list (原材料名) is printed on the back, usually in a white rectangular box
• Format 1 — Inline: Each ingredient that contains an allergen has the allergen noted in parentheses right after it. Example: "小麦粉（小麦を含む）" = wheat flour (contains wheat)
• Format 2 — Consolidated (most common at konbini): A single line at the end of the ingredient list groups all allergens together. Example: "（一部に卵・乳成分・小麦・大豆を含む）" = contains some egg, dairy, wheat, soybean
• The 8 mandatory allergens (特定原材料) MUST always be listed — it is illegal to omit them
• The 20 recommended allergens (特定原材料に準ずるもの) are voluntarily labeled — the big three konbini chains (7-Eleven, FamilyMart, Lawson) label all 28 as standard practice
• Cross-contamination warnings may appear separately: "同一工場で○○を含む製品を製造しています" = manufactured in a factory that also processes [allergen]
• Hot food items (fried chicken, nikuman/meat buns) sold from the counter display may have allergen info on a nearby card or poster rather than individual packaging

Safe Picks for Common Allergies

Here are generally safer convenience store options organized by allergy type. Always verify the label on the specific product you pick up, as recipes vary by region and season:

• Egg allergy (卵): Plain onigiri (rice balls) with umeboshi, kombu, or salmon filling. Avoid sandwich section entirely. Avoid tamagoyaki (egg roll) bento. Check: some onigiri seasonings contain egg
• Milk/dairy allergy (乳): Most onigiri are dairy-free. Plain rice bento without cream-based sauces. Avoid all pastries, bread, and sandwiches — nearly all contain dairy. Many chocolates and cookies list 乳 (dairy)
• Wheat allergy (小麦): This is the hardest to avoid at konbini. Onigiri (rice-based) is your safest bet. Avoid all bread, sandwiches, noodles, fried items (breading contains wheat), and most sauces (soy sauce contains wheat)
• Peanut allergy (落花生): Relatively easy to avoid. Check snack packages and some Chinese-style bento. Plain onigiri, sushi, and most Japanese-style bento are peanut-free
• Shrimp/crab allergy (えび/かに): Avoid seafood onigiri, chirashi sushi, and anything labeled "seafood" (海鮮). Check tempura items. Plain rice-based items are usually safe
• Buckwheat allergy (そば): Avoid all soba noodle products. Be cautious with multi-noodle packs. Some konbini have soba noodles adjacent to udon — cross-contamination is possible
• Soybean allergy (大豆): Very difficult in Japan. Soy sauce, tofu, miso, and soybean oil are ubiquitous. Focus on simple rice items and check every label carefully

Onigiri, Bento, Sandwiches: Reading the Labels

Each major food category at a convenience store has specific things to watch for:

• Onigiri (おにぎり): Generally the safest option. The outer wrapper has the full ingredient list. Common safe fillings: umeboshi (梅), kombu (昆布), salmon (鮭 / さけ). Watch out for: mentaiko (明太子, spicy fish roe — may contain wheat), tuna mayo (ツナマヨ — contains egg in mayo)
• Bento (弁当): These are complex meals with many ingredients. The allergen summary line at the end of the ingredient list is your best friend. Most bento contain wheat and soy at minimum. Simpler bento (like plain salmon + rice) are safer than elaborate ones
• Sandwiches (サンドイッチ): Almost always contain eggs, dairy, and wheat. Even "ham sandwich" typically includes butter and milk-based bread. Not recommended for egg, dairy, or wheat allergies
• Noodles (麺): Cup noodles and chilled noodle packs always contain wheat. Broth typically contains multiple allergens. The allergen list on cup noodles is usually comprehensive — read it carefully
• Desserts (デザート): Puddings contain eggs and dairy. Most cakes and pastries contain wheat, eggs, and dairy. Fruit cups and plain mochi (if no fillings) may be safer. Check for gelatin (ゼラチン) if you avoid animal products
• Drinks (飲み物): Most drinks are allergen-free. Exceptions: milk tea (contains dairy), some smoothies, soy milk (大豆). Check sports drinks — some contain trace allergens as flavoring

The Kanji You Need to Know

You do not need to read every character on a Japanese food label. Focus on recognizing these allergen-related kanji and katakana terms. This table covers the 8 mandatory allergens and the most common recommended ones:

Instant Label Scanner

Memorizing kanji is helpful, but you do not have to rely on it. The TravelSafe Japan scanner reads any Japanese food label in seconds. Just take a photo of the ingredient list on a konbini product, and get a clear result showing which of the 28 regulated allergens are present — with safe, caution, and danger indicators for your specific allergies.

[Scan a Convenience Store Label](/)

The scanner works on all packaged food sold in Japanese convenience stores, supermarkets, and drugstores. It recognizes both inline and consolidated allergen labeling formats.