
Oikos, a popular brand in Japan’s protein yogurt market, is launching its first seasonal limited-edition flavor of 2026. The new product is called “Oikos Protein Yogurt High Absorption Protein 4-Berry Mix.”
Shipments to convenience stores (Konbini) nationwide in Japan will begin on Monday, January 19, 2026.In Japan, convenience stores often carry new products before supermarkets, allowing convenience store users to enjoy the new flavor first. Supermarket sales will begin the following week, starting Monday, January 26.
A Dessert-Like Taste Featuring Four Berries
This flavor isn’t just a simple “berry taste.” It lavishly incorporates four distinct berries, each with its own character.
- Strawberry: Familiar sweetness
- Blueberry: Deep, rich flavor
- Cranberry: Cute tartness
- Blackcurrant: Rich aroma
Combining these creates a gentle tartness and natural sweetness.According to the development team, it’s crafted to let you fully enjoy the texture of the fruit pulp. While it’s yogurt, you can savor it like a satisfying dessert.
Product Information and Storage
This product is available for a limited time only. We recommend purchasing it immediately if you see it.
- Release Date: Convenience stores: January 19, 2026; Supermarkets: January 26, 2026.
- Price: Open price (varies by store).
- Best Before Date: 42 days. Suitable for refrigerated storage.
- Storage Method: Refrigerate (below 10°C / 50°F). Refrigerate promptly after purchase.
Packaging Blending Art and Sport

The packaging design also reflects a distinctly Japanese attention to detail. This design features a visual of a rhythmic gymnast manipulating a ribbon. This links the beautiful blend of four berries with the dynamic energy of an athlete in motion. It creates a strikingly beautiful design that stands out on Japanese convenience store shelves.
Managing Your Health with High-Quality Protein
Oikos isn’t just delicious. Each cup (113g / approx. 4 oz) contains 10.1g of protein.
Oikos uses “high-absorption protein,” referring to high-quality protein with excellent absorption rates. Its absorption rate rivals that of boiled chicken tenderloin, a beloved ingredient among Japanese bodybuilders and dieters.
Additionally, it offers these healthy characteristics:
- Zero Fat
- Low Calories: Only 85kcal per cup
- Low GI Food: Helps prevent rapid spikes in blood sugar
Ingredients include dairy products and fruit pulp, along with carrot extract for natural coloring. Please note that “milk ingredients” are included as an allergen.

To kick off 2026 on a healthy note, delicious and wholesome protein sources are essential. When visiting Japanese convenience stores after January 19th, be sure to check out the yogurt section.
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