Serita Construction Co., Ltd. (Headquarters: Takeo City, Saga Prefecture; Representative: Akihiro Serita), which aims to solve social issues through construction DX, will again roll out “An MMu Salted Smooth Bean Paste,” a heatstroke-prevention food developed jointly with Kashin Maruichi, a 75-year-old traditional Japanese confectionery shop with three stores in Saga City, Saga Prefecture. The product was created for craftspeople working on construction sites. After being distributed at worksites last year, it received positive feedback from site staff, including comments such as “easy to eat even when I have no appetite,” “even better when chilled,” and “a convenient way to replenish energy.” As a result, Serita Construction decided to continue distributing it this year. In 2026, distribution will begin again at Serita Construction worksites, and the product will also be available to the general public for a limited time from Monday, June 1, at Kashin Maruichi’s three stores and official online shop. As extreme heat becomes increasingly common, heatstroke prevention at construction sites is no longer simply an employee benefit; it has become a core part of safety management. As part of its efforts to protect the lives and health of craftspeople, Serita Construction focused on heatstroke countermeasures that are both tasty and easy to continue. The answer it arrived at was anko, a sweet bean paste familiar to Japanese people. Heatstroke prevention often emphasizes hydration and salt intake, but those are not the only things lost through sweat. To maintain the body’s balance, it is also important to replenish carbohydrates and minerals such as potassium. Anko, made from azuki beans, contains a balanced mix of carbohydrates and minerals. Potassium in particular is known as a nutrient that supports muscle function and recovery from fatigue. One pouch of “An MMu Salted Smooth Bean Paste” contains carbohydrates equivalent to about two bananas. It also provides salt, maki