Post is the latest big name cereal company to lean into the protein trend. The brand is taking its iconic Honey Bunches Of Oats and turning it into Honey Bunches Of Oats Protein, a version that roughly doubles the protein compared to a standard bowl of the classic cereal.
What Changes In The Protein Version
Post has reworked the formula so that, when you compare equal serving sizes to something like Honey Bunches Of Oats Cinnamon, you get:
About 9 grams of protein per serving, roughly twice the original
Noticeably lower carbohydrates and sugar
Slightly higher fat content
Around 250 calories per serving
It is not turning the cereal into a full blown high protein meal on its own, but it clearly nudges the macros closer to what more active consumers are after.
Flavors At Launch
Protein Honey Bunches Of Oats will initially be available in two flavors that line up with existing favorites:
Cinnamon
Almond
Both stick with the mix of crunchy clusters and flakes the brand is known for, with added protein woven into the formula rather than being a separate add in.
Where It Fits In The Protein Cereal Landscape
The launch sits alongside other higher protein cereal entries like Wheaties Protein and Ghost’s Protein Cereal collabs. It shows that:
Protein fortified cereals are moving from niche brands to major grocery fixtures
Heritage brands are comfortable trading a bit of calorie creep for higher protein and lower sugar
Consumers now expect at least some functional benefit from packaged breakfast foods
For Honey Bunches Of Oats fans, the Protein version offers a way to stay loyal to the brand while getting a bit more out of each bowl.
Citations
Post doubles the protein to 9g for its Honey Bunches Of Oats Protein - Stack3d
https://www.stack3d.com/2025/12/honey-bunches-of-oats-protein.html Stack3dAdditional background on protein cereal trends and Ghost Protein Cereal
https://www.stack3d.com/2024/10/general-mills-ghost-protein-cereal.html The Weekly Rep