Wall of Shame · Documented Brand
Post
Owned by Post Holdings. We've documented 6 shrinkflation events across 5 products since 2022, with an average size reduction of 14.8% per event.
Total events
6
Products tracked
5
Avg shrinkage
-14.8%
First detected
2022
5 years of shrinking
Gaps for early years mean no documented claims, not no shrinkflation events. Reddit's r/shrinkflation was founded in 2013 and news coverage of shrinkflation only became routine after 2021.
20263 events · most covered first
Biggest individual shrinks
wccbcharlotte.com·2022-10-14
23oz
18oz
Honey Bunches of Oats
-21.7%23oz → 18oz
Tasting Table·2025-04-12
23oz
18oz
Honey Bunches of Oats Family Size
-21.7%23oz → 18oz
No archivePremier Protein CerealPost
11oz
9oz
Premier Protein Cereal
-18.2%11oz → 9oz
No archiveHoney Bunches of OatsPost
14.5oz
12oz
Honey Bunches of Oats
-17.2%14.5oz → 12oz
Reddit·2022-01-21
20.5oz
19.5oz
Family Size Cereal
-4.9%20.5oz → 19.5oz
No archiveCocoa Pebbles family sizePost
20.5oz
19.5oz
Cocoa Pebbles family size
-4.9%20.5oz → 19.5oz