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[Part 3] The Full Cereal Fatness Index — 275 Cereals Ranked

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The Full Cereal Fatness Index — 275 Brands of Cereal Ranked is part 3 of 3 in our Lean It UP Cereal Fatness Index series, which scores and ranks 275 brands of cereal based on their propensity to MAKE YOU FAT!

Before reading part 3, I HIGHLY recommend that you read part 1, an introduction to The Lean It Up Cereal Fatness Index and The 50 Most Fattening Cereals List, and part 2, The 50 Healthiest Cereals List.


Here it is, finally — 275 cereals scored, ranked, and indexed into the FULL Lean It UP Cereal Fatness Index. In addition to posting the entire index here, I’ve also provided a download link at the end of the article. Print it out and stick it on the fridge — it’s a great reference guide whenever you’re faced with a cereal conundrum.

When looking at the index, I would generally consider any cereal with a positive LeanFACTOR score as healthy and lean; anything with a negative LeanFACTOR score as unhealthy and fattening, with cereals becoming incrementally more HORRIBLE for your waistline as they get deeper into the negatives.

In general cereal isn’t healthy — only 66 cereals, or 24% — have a positive LeanFACTOR score, and NO brand of cereal averages a positive fiber-to-sugar balance (fiber minus sugar). That’s disgusting. In fact, outside of Attune Cereal, EVERY brand of cereal (even Kashi) averages over 7 grams of sugar per serving, with General Mills, Quaker, and Kellogg’s averaging 10+!

The charts below break down average LeanFACTOR score, average fiber-to-sugar balance, and average sugar content by brand of cereal. It’s not surprising, but Kashi comes out on top as the healthiest brand of cereal; General Mills brings up the rear with a mind-blowing average LeanFACTOR score of -44.

Hopefully the index serves as a valuable resource to guide your breakfast decision making. I’m still partial to oatmeal — it’s simple, delicious, comforting, versatile, and ridiculously healthy.


The Lean It UP Cereal Fatness Index — Cereal Brand Data

Average LeanFACTOR Score



Average Fiber-to-Sugar Balance



Average cereal sugar content



The FULL Lean It UP Cereal Fatness Index

Here’s the first page of the index as a sample (click for a magnified view), with the full index available from the link below — enjoy.

The Lean It UP Cereal Fatness Index

VIEW/DOWNLOAD — The FULL Lean It Up Cereal Fatness Index


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Bryan DiSanto

Founder & Editor-in-Chief at Lean It UP
ELLO ELLO I'm Bryan DiSanto. I'm the Founder & Editor-in-Chief of Lean It UP, a CPT/CSN/Fitness Coach, Chef trained at Le Cordon Bleu – Paris, NYU graduate, ex-fat kid, and all-around fitness junkie.

I also contribute to Men's Health Magazine.

When I'm not working on my abs (or somebody else’s), whipping up avocado roses and avocado toast, or running a Tough Mudder, I'm probably yelling at a Carolina Panthers game somewhere.

Come be friends with me on Instagram (@BRYDISANTO) & Snapchat (BRYDISANTO).
Bryan DiSanto
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