The Iwaizumi Yogurt (岩泉ヨーグルト) Trial Set is a yogurt set made at a manufacturing plant in Iwaizumi Town, Iwate Prefecture. According to the product description on Rakuten Ichiba, the raw materials are raw milk from Iwaizumi Town and raw milk from Iwate Prefecture. The set contains two 1kg pouches of yogurt and one 720mL drinking yogurt (のむヨーグルト). Before buying, people tend to wonder how to choose between the sweetened and plain (unsweetened) combinations, whether they can finish a 1kg pouch before the best-before date, and whether it works as a gift. This article organizes what is stated on the product page and in public reviews of this set, sold on Rakuten Ichiba by あなたのふるさとユアーハイマート, into five points: quantity, shelf life, ingredient labeling, suitability as a gift, and reviews.
What We Confirmed
- Quantity and roughly how many servings
- Storage method and shelf life
- Ingredients and allergen labeling
- Whether it works as a gift
- Trends in public reviews
Basic Information
This table transcribes what is stated on the product page. However, the “not confirmed” labels and any notes we add are our own.
| Product Name | Iwaizumi Yogurt (岩泉ヨーグルト) Trial Set (approx. 2.7kg)Source: the product name shown on the Rakuten Ichiba product page, with search keywords removed (viewed October 13, 2026) |
|---|---|
| Name | Product type: fermented milk (はっ酵乳)Source: product description on the Rakuten Ichiba product page (viewed October 13, 2026) |
| Amount | Iwaizumi Yogurt 1,000g × 2 pouches (aluminum pouches) + Iwaizumi drinking yogurt (sweetened) 720mL × 1. The approx. 2.7kg in the product name is a rough total. We could not find a serving count, so it is not confirmed.Source: product description and purchase options on the Rakuten Ichiba product page (viewed October 13, 2026) |
| Options | You choose the combination of the two yogurt pouches from the following three options. 1 pouch each of sweetened and plain (unsweetened) Sweetened × 2 pouches Plain (unsweetened) × 2 pouches All three options include one 720mL sweetened drinking yogurtSource: purchase options on the Rakuten Ichiba product page (viewed October 13, 2026) |
| Storage Method | Keep refrigerated at 10°C or belowSource: product description on the Rakuten Ichiba product page (viewed October 13, 2026) |
| Best-Before Date | Stated as 14 days from the production date (about 10 days remaining on delivery). A note says the production date is the day the product is filled into the pouch or container (before fermentation)Source: product description on the Rakuten Ichiba product page (viewed October 13, 2026) |
| After Opening | Not confirmed (no guidance on handling after opening was found) |
| Raw Material Origin | We could not find a raw material origin field. The product description states that raw milk from Iwaizumi Town and raw milk from Iwate Prefecture are usedSource: product description on the Rakuten Ichiba product page (viewed October 13, 2026) |
| Place of Processing | Stated as shipped directly from the manufacturing plant in Iwaizumi Town, Iwate PrefectureSource: product description on the Rakuten Ichiba product page (viewed October 13, 2026) |
| State / How to Eat (Whether Cooking Is Required) | Fermented milk (はっ酵乳) (yogurt in pouches and drinking yogurt). The shop describes the yogurt as fermented slowly at a low temperature for a long time inside the aluminum pouch. We could not find any guidance on whether heating is required or how to eat itSource: product description on the Rakuten Ichiba product page (viewed October 13, 2026) |
| Shipping | The shop states that it ships by refrigerated delivery (クール便). Because the product is made to order, same-day shipping, rush handling, and cancellation after ordering are stated to be unavailable. There are two different displays for the shipping lead time: the specification field says shipping is scheduled 4–6 days later (excluding Saturdays, Sundays, and public holidays), while the confirmation item at purchase says 5–7 days later (excluding Saturdays, Sundays, and public holidays)Source: product description and purchase options on the Rakuten Ichiba product page (viewed October 13, 2026) |
| Manufacturer | Stated as 岩泉ホールディングス(株) 乳業事業部 (formerly 岩泉乳業(株)). We could not find the address, so it is not confirmed.Source: product description on the Rakuten Ichiba product page (viewed October 13, 2026) |
| Shop | あなたのふるさとユアーハイマート (Rakuten Ichiba) |
Prices change, so they are not listed here. Please check the latest price and stock at the link above.
Ingredients and Allergen Labeling
The Rakuten Ichiba product page shows the following ingredient labeling.
- Iwaizumi Yogurt (sweetened): raw milk, sugar, dairy products (milk solids-not-fat 9.0%, milk fat 3.5%)
- Iwaizumi Yogurt (plain): raw milk (milk solids-not-fat 8.5%, milk fat 3.5%)
- Iwaizumi drinking yogurt (sweetened): raw milk, sugar-blended glucose-fructose syrup, liquid sugar (as written on the product page: 生乳・砂糖混合ぶどう糖果糖・液糖) (milk solids-not-fat 8.5%, milk fat 3.2%)
Source: product description on the Rakuten Ichiba product page (viewed October 13, 2026)
The allergen labeling is stated as milk (乳) (source: the allergen labeling field in the same product description). If you have an allergy, ask the seller before buying or be sure to check the label on the product when it arrives.
Reference: Consumer Affairs Agency, Japan, “About Allergen Labeling” (accessed October 13, 2026)
Five Things to Check Before Buying
| Item to Check | For This Product | Basis |
|---|---|---|
| 1. Quantity / servings | Yogurt 1kg × 2 pouches + drinking yogurt 720mL × 1. Choose the combination of sweetened and plain (unsweetened) from three options. Serving count: not confirmed | Product description and purchase options on the Rakuten Ichiba product page (viewed October 13, 2026) |
| 2. Storage and shelf life | Keep refrigerated at 10°C or below. The best-before date is 14 days from the production date (about 10 days remaining on delivery); the production date is the day it is filled into the pouch (before fermentation). Handling after opening: not confirmed | Product description on the Rakuten Ichiba product page (viewed October 13, 2026) |
| 3. Ingredients and allergen labeling | Plain: raw milk only. Sweetened: raw milk, sugar, dairy products. Allergen labeling: milk | Product description on the Rakuten Ichiba product page (viewed October 13, 2026) |
| 4. Suitable as a gift? | You can choose a noshi (gift wrapping label) inscription in the purchase options. Wrapping and message cards: not confirmed. Because it is made to order, it takes several days to arrive | Purchase options on the Rakuten Ichiba product page (viewed October 13, 2026) |
| 5. Review trends | Rakuten Ichiba rating: 4.76/5 (366 reviews, retrieved October 13, 2026). The following trends are based on the first 60 reviews in the default order plus the reviews filtered to 1★, 2★, and 3★ (1★: 2, 2★: 2, 3★: 8), posted from April 2013 to July 2026, with the latest posted in July 2026. These trends may not reflect the product’s current condition. Many reviews mention the chewy, stretchy texture and richness, while some point out that the last part of a 1kg pouch is hard to get out | Rakuten customer reviews (viewed October 13, 2026) |
Suitable as a Gift?
In the purchase options on the Rakuten Ichiba product page, you can optionally add noshi (gift wrapping label), and the inscription (on noshi) is chosen from the following: 御中元 (ochugen, mid-year gift), 御歳暮 (oseibo, year-end gift), 御祝 (celebration), 御結婚御祝 (wedding celebration), 御出産祝 (birth celebration), 祝御誕生日 (birthday), 内祝 (uchi-iwai, return gift), 結婚内祝 (wedding return gift), 父の日 (Father’s Day), 母の日 (Mother’s Day), 御礼 (thanks) with a bow knot (蝶結び), 御礼 (thanks) with a tied knot (結び切り), 無地 (plain) with a bow knot, 無地 (plain) with a tied knot, and その他 (other; write it in the notes field). If you want a name printed, the shop asks you to write the name in the notes field. We could not confirm whether a gift box, gift wrapping, or message cards are available (source: purchase options on the Rakuten Ichiba product page, viewed October 13, 2026).
Among the reviews we read, 11 of the 60 in the default order were posts about using it as a gift, such as for ochugen, oseibo, Father’s Day, Mother’s Day, or a birthday. These are trends within what we read and may not reflect the product’s current condition (source: Rakuten customer reviews, viewed October 13, 2026).
If you are considering it as a gift, checking the following points on the product page before buying will help avoid misunderstandings.
- It is made to order, and orders cannot be canceled. There are two displays for the shipping lead time: 4–6 days later and 5–7 days later (both excluding Saturdays, Sundays, and public holidays)
- It arrives by refrigerated delivery, and the shop states that about 10 days remain until the best-before date on delivery, so check whether the recipient can receive it at that time
- Whether the recipient has room in the refrigerator for two 1kg pouches and the 720mL drinking yogurt
What Public Reviews Say
We have organized the product reviews on Rakuten Ichiba by point. The rating figures are as of the time we viewed them and may change afterward.
| Site | Rating | Reviews | Date Viewed |
|---|---|---|---|
| Rakuten customer reviews (product page) | 4.76 / 5 | 366 | October 13, 2026 |
Rating breakdown: 5★ 296 / 4★ 58 / 3★ 8 / 2★ 2 / 1★ 2 (as shown on Rakuten Ichiba, viewed October 13, 2026)
What we read: the first 60 reviews in Rakuten’s default order (posted October 2024 to July 2026; latest July 2026), plus 2 reviews filtered to 1★ (posted December 2024 to April 2026), 2 filtered to 2★ (posted January 2014 to October 2023), and 8 filtered to 3★ (posted April 2013 to July 2026), 72 in total. One of the 3★ reviews was about a different product, so it is not counted. These are trends within what we read and may not reflect the product’s current condition.
What Reviewers Praise
Chewy, stretchy texture
16 of the first 60 reviews in the default order mentioned its distinctive chewy, sticky texture (all posted in the past 2 years).
Richness and milky depth
15 of the 60 reviews felt it was rich, with a strong milky depth (all from the past 2 years).
Used as a gift
11 of the 60 reviews said they used it as a gift, such as for ochugen, oseibo, Father’s Day, Mother’s Day, or a birthday, and that the recipient was pleased (all from the past 2 years).
The included drinking yogurt
9 of the 60 reviews also mentioned the drinking yogurt included in the set and said they liked it (all from the past 2 years).
Source: Rakuten customer reviews (viewed October 13, 2026)
What Reviewers Note
Hard to get out of the large pouch
7 of the 72 reviews we read said the 1kg pouch is tall and narrow, so the last part is hard to get out when little is left (4 of the 60 in the default order, plus 1 each from 1★, 2★, and 3★; 6 of them from the past 2 years). Some 5★ reviews also mentioned this point.
How to check: The pouch size and number of pouches are summarized in the Amount row of the Basic Information section of this article.
Time until delivery
4 of the first 60 reviews in the default order said it took several days from ordering to delivery. All were posted between November 2024 and February 2025.
How to check: The displays of the shipping lead time are summarized in the Shipping row of the Basic Information section of this article.
Sweetness of the sweetened version
4 of the 72 reviews we read said the sweetened yogurt or drinking yogurt tasted sweet to them (2 of the 60 in the default order, plus 1 each from 2★ and 3★; 2 of them from the past 2 years).
How to check: The sweetened and plain (unsweetened) combinations are summarized in the Options row of the Basic Information section of this article.
Source: Rakuten customer reviews (viewed October 13, 2026)
Who It Suits / Who Should Be Careful
Who It Suits
- Want to choose between sweetened and plain (unsweetened), or try both (choose from three combinations)
- Want to receive a total of 2kg of yogurt and 720mL of drinking yogurt at once (as stated in the amount)
- Want to choose a noshi inscription for a gift (selected in the purchase options)
Who Should Be Careful
- Have a milk allergy (the allergen labeling is milk)
- Prefer individually portioned servings (this comes in pouches; there is also Hiruzen Jersey Yogurt, 100ml × 10 cups, which comes in individual cups)
- Are unsure whether you can finish a total of 2kg of yogurt and 720mL within the best-before date of about 10 days on delivery
- Need it delivered quickly or have a close deadline (the shop states that it is made to order and cannot be shipped the same day)
- Plan to give it with wrapping or a message card (no information was found)
Prices, stock, shipping fees, and delivery dates are subject to change. This article’s information-as-of date is October 13, 2026. Please be sure to check the listing at the link before purchasing.
This article contains affiliate links (advertising). Editorial Policy
Summary
- Contents: two 1kg pouches of yogurt and one 720mL drinking yogurt (sweetened). The yogurt combination of sweetened and plain (unsweetened) can be chosen from three options
- Keep refrigerated at 10°C or below. The best-before date is 14 days from the production date (about 10 days remaining on delivery). Because it is made to order, orders cannot be canceled, and there are two displays for the shipping lead time: 4–6 days later and 5–7 days later
- You can choose a noshi inscription in the purchase options. In the 72 reviews we read, many mentioned the chewy texture and richness, and some were concerned that the 1kg pouch is hard to get out of (this may not reflect the product’s current condition)
Related Pages
This article organizes information published on various retail and review sites. Product details such as quantity, storage method, and ingredients are subject to change. Please check the seller’s listing for the latest information.
Comments on taste or quality are summarized from third-party posts cited with their source, and are not Ochinity’s own evaluation. Our approach to writing articles is described in our Editorial Policy.
Information as of: October 13, 2026 / Sources: Rakuten Ichiba “あなたのふるさとユアーハイマート” product page, Rakuten customer reviews, Consumer Affairs Agency, Japan, “About Allergen Labeling”
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