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Did Pre-Col sustained-release cough and cold capsules, 12 capsules (Japan) shrink?

Size FactsDid it shrink? Yes
Before12 capsules
After10 capsules
−16.7%smaller
Price per capsule · observed+50.0%Shelf price ¥1,100 RRP (incl. tax) → ¥1,375 RRP (incl. tax), as recorded by the source.

Before you paid ¥92 per capsule; after, ¥138 per capsule: 50.0% more for the same amount.

How big a cut? The joint 34th-largest of 68 documented health & supplements cuts (tied with 9 others); a bigger cut than 62% of all 1,366 cases in the library. See the biggest cuts →

When
2026 · reported 7 May 2026
Country
Japan
Brand
Daiichi Sankyo
Category
Health & Supplements
Source
daiichisankyo-hc.co.jp

Source and evidence

Daiichi Sankyo Healthcare — price revision and capacity change (7 May 2026) daiichisankyo-hc.co.jp

Source fetched 2026-10-31.

Renewal shipped from 29 Jun 2026: 12 to 10 capsules while the suggested price rose from ¥1,100 to ¥1,375, about 50% more per capsule. The JAN code changed with the renewal. 19 other Daiichi Sankyo OTC products (Loxonin S gels etc.) had price-only rises from 1 Jun 2026.

Evidence
Typemanufacturer announcement (price/size notice)
Confidencehigh
Size cut alone, at the old price+20.0%

Check the math in the calculator.

What the source says

“2.価格・容量変更リニューアル 出荷開始日：2026 年 6 月 29 日（月） 容 量 メーカー希望小売価格（税込み） 製 品 名 変更前 変更後 変更前 変更後 12カプセル 10カプセル 1,100円 1,375円 プレコール持続性カプセル 24カプセル 20カプセル 1,815円 2,266円 （指定第2類医薬品） 36カプセル 30カプセル 2,310円 2,893円 ※ JAN コードも変更になります。 ※…”

More from Japan: the Japan shrinkflation tracker has all 39 documented cases, sortable and filterable.

Topic guide: vitamin shrinkflation, every documented case in one place, brand by brand.

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Cite this case

ShrinkRadar, “Did Pre-Col sustained-release cough and cold capsules, 12 capsules (Japan) shrink? 12 capsules → 10 capsules”, https://shrinkradar.com/cases/pre-col-sustained-release-cough-and-cold-capsules-12-capsules-japan-2026.html, accessed 2026-11-05. Original source: Daiichi Sankyo Healthcare — price revision and capacity change (7 May 2026) (https://www.daiichisankyo-hc.co.jp/content/000142125.pdf).

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