June 2nd is 'A2 Milk Day': Expanding Awareness as a New Choice in Milk
The Japan A2 Milk Association has designated June 2nd as 'A2 Milk Day'. The initiative aims to raise awareness of A2 milk, known for its digestive benefits.
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The Japan A2 Milk Association (Furano City, Hokkaido; Representative Director: Yuichiro Fujii) announces that, with the certification from the Japan Anniversary Association, it has established June 2nd as 'A2 Milk Day'.
A2 milk, which has been gaining attention in the domestic and international dairy industry, is being promoted through this new commemorative day to help more people recognize it as a new choice when selecting milk.
A2 milk is defined as milk where the 'β-casein' protein present is exclusively of the A2 type. Because it contains only the A2 type of this protein, it is considered gentle on the stomach and is believed to help alleviate lactose intolerance, a topic of ongoing research worldwide. In 2025, Professor Naoto Fukuyama of the Department of Nutritional Sciences, Faculty of Applied Bioscience at Tokyo University of Agriculture, published the first clinical study on A2 milk conducted with Japanese subjects.
Since its establishment in 2020, the Japan A2 Milk Association has been dedicated to contributing to the Japanese dairy industry while providing value to consumers seeking health. Certified A2 milk products bearing the association's mark include: 'Japan A2 Association Hokkaido Milk', 'Kahokugata A2 Farm Milk', and 'MORIYAMA A2 Hokkaido Delicious Milk'.
A2 milk, which has been gaining attention in the domestic and international dairy industry, is being promoted through this new commemorative day to help more people recognize it as a new choice when selecting milk.
A2 milk is defined as milk where the 'β-casein' protein present is exclusively of the A2 type. Because it contains only the A2 type of this protein, it is considered gentle on the stomach and is believed to help alleviate lactose intolerance, a topic of ongoing research worldwide. In 2025, Professor Naoto Fukuyama of the Department of Nutritional Sciences, Faculty of Applied Bioscience at Tokyo University of Agriculture, published the first clinical study on A2 milk conducted with Japanese subjects.
Since its establishment in 2020, the Japan A2 Milk Association has been dedicated to contributing to the Japanese dairy industry while providing value to consumers seeking health. Certified A2 milk products bearing the association's mark include: 'Japan A2 Association Hokkaido Milk', 'Kahokugata A2 Farm Milk', and 'MORIYAMA A2 Hokkaido Delicious Milk'.
FAQ
A2牛乳とは何ですか？
含まれるたんぱく質「βカゼイン」がA2型である牛乳のことです。おなかにやさしく、乳糖不耐症をやわらげる可能性があるとして研究されています。
なぜ6月2日が「A2牛乳の日」なのですか？
牛乳を選ぶ際の新しい選択肢としてA2牛乳の認知度を向上させるため、一般社団法人日本記念日協会の認定を受けて制定されました。
日本A2ミルク協会の主な活動は何ですか？
A2ミルクの正しい情報の普及、専門的な知見に基づく情報交換、品質管理基準の策定および認証制度の運営を行っています。
認証A2牛乳にはどのようなものがありますか？
「日本A2協会 北海道牛乳」、「河北潟A2牧場牛乳」、「MORIYAMA A2北海道のおいしい牛乳」などが認証を受けています。
A2牛乳の臨床実験について教えてください。
2025年に東京農業大学の福山直人教授により、日本初となる日本人を対象としたA2牛乳の臨床実験の論文が発表されました。