Did Daiichi Sankyo shrink its products?
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Updated 2026-10-31 (latest case added) · 3 sourced cases, each linked to its source
Did Daiichi Sankyo shrink its products? Yes. We have 3 documented shrinkflation cases for Daiichi Sankyo dated 2026, reported in Japan. The biggest cut: Pre-Col sustained-release cough and cold capsules, 12 capsules (Japan), 12 capsules → 10 capsules (−16.7%). It is also the most recent (2026). The median Daiichi Sankyo pack lost 16.7%, a 20.0% hidden price rise per unit at the same price. Where the source recorded the shelf price before and after (3 cases), 3 got more expensive per unit.
3 documented cases. Biggest cut: Pre-Col sustained-release cough and cold capsules, 12 capsules (Japan), 12 capsules → 10 capsules (−16.7%). See cases below.
Vitamin shrinkflationJapan shrinkflation tracker
Each case links to its source. Compare with the worst offenders, or check any pack with the shrinkflation calculator.
All 3 documented Daiichi Sankyo cases
Newest first. “Hidden rise” is the extra you pay per unit if the shelf price stays the same.
| Product | Size | Cut |
|---|---|---|
| Pre-Col sustained-release cough and cold capsules, 12 capsules (Japan) Daiichi Sankyo · Japan · 2026 | 12 capsules → 10 capsules | −16.7% |
| Pre-Col sustained-release cough and cold capsules, 24 capsules (Japan) Daiichi Sankyo · Japan · 2026 | 24 capsules → 20 capsules | −16.7% |
| Pre-Col sustained-release cough and cold capsules, 36 capsules (Japan) Daiichi Sankyo · Japan · 2026 | 36 capsules → 30 capsules | −16.7% |
FAQ
Did Daiichi Sankyo shrink its products?
Yes. ShrinkRadar has 3 documented, sourced shrinkflation cases for Daiichi Sankyo (2026). The biggest cut was Pre-Col sustained-release cough and cold capsules, 12 capsules (Japan), 12 capsules → 10 capsules (−16.7%).
Which Daiichi Sankyo products got smaller?
Documented, newest first: Pre-Col sustained-release cough and cold capsules, 12 capsules (Japan): 12 capsules → 10 capsules (2026); Pre-Col sustained-release cough and cold capsules, 24 capsules (Japan): 24 capsules → 20 capsules (2026); Pre-Col sustained-release cough and cold capsules, 36 capsules (Japan): 36 capsules → 30 capsules (2026).
How much smaller did Daiichi Sankyo products get?
The cuts range from −16.7% to −16.7%, with a median of −16.7%. At an unchanged shelf price that median cut means paying 20.0% more per unit. Where the source recorded prices (3 cases), the median real rise per unit was 50.0%.
When did Daiichi Sankyo shrink its products?
By year in our library: 2026 (3). The most recently reported is Pre-Col sustained-release cough and cold capsules, 12 capsules (Japan), dated 2026.
Who reported Daiichi Sankyo shrinkflation?
These cases come from daiichisankyo-hc.co.jp, covering Japan. Each case page quotes and links its source.
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Guides and data
- Topic guideVitamin shrinkflation68documented cuts
- ShrinkRadar IndexHealth and supplements+15.2%per unit at the shrink · official +3.2%