Initially Posted: 08/23/2016 | Last Updated: 05/19/2020
Oat Cereals Tested by ConsumerLab.com

Oat and buckwheat cereals compared in this report

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365 Organic Quick Oats

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Arrowhead Mills Organic Oat Bran Flakes

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Bob's Red Mill Oat Bran

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Bob's Red Mill Organic Old Fashioned Rolled Oats

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Bob's Red Mill Quick Cooking Oats

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Bob's Red Mill Steel Cut Oats

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Coach's Oats

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General Mills Cheerios

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Gerber Oatmeal Cereal

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Hodgson Mill Old Fashioned Oat Bran Hot Cereal

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McCann's Quick & Easy Steel Cut Irish Oatmeal

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McCann's Steel Cut Irish Oatmeal

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Mother's Oat Bran

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Old Wessex Ltd All-Natural Creamy Oat Bran

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Quaker Instant Oatmeal Original

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Quaker Oat Bran

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Quaker Oats Old Fashioned

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Trader Joe's Quick Cook Steel Cut Oats

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Trader Joe's Rolled Oats

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Wolff's Kasha - Medium Granulation

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Oats are the basis of many popular cereals including Cheerios, rolled oats (often called oatmeal), steel-cut ("Irish") oats, as well as oat bran. Concern about these products was raised in 2015 when researchers reported finding ochratoxin A, a potential human carcinogen, in 70% of oat-based cereals purchased across the U.S. In addition, although oats do not naturally contain gluten, oat-based cereals can be contaminated with gluten if exposed to wheat during processing.

Out of concern, ConsumerLab.com purchased and tested many popular oat cereals, as well as one buckwheat (kasha) cereal.

The good news is that most products were not found to exceed contamination limits for ochratoxin A (although it may be best to limit use of one of the products if it is to be given to small children).

The not-so-good news is that significant amounts of gluten were found in several oat products. ConsumerLab.com tested products against the FDA "gluten-free" standard (no more than 20 ppm of gluten) as well its own, more stringent "ultra gluten-free" standard (no more than 5 ppm). Not all FDA "gluten-free" products met CL's higher standard. At the same time, some products which were not labeled gluten-free actually were. 

All products were also tested for contamination with lead, cadmium and arsenic. 

Avoid problems and get the best oat cereal using ConsumerLab.com's reviews and recommendations. In this comprehensive review you'll get test results and reviews for 20 products selected by ConsumerLab.com (19 oat cereals and one buckwheat cereal).
You'll discover:
  • Amounts of ochratoxin A and gluten found in each oat or buckwheat cereal
  • ConsumerLab.com's Top Picks
  • How to save money by finding top-quality, lowest cost cereals
  • Unexpected ingredients in some oat cereals
  • How to avoid problems with oat cereals

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