Is Quaker Oat Flour Certified Gluten-Free? A Comprehensive Guide
                                
                                
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                                    4 min read                                
                            
                                While oats are naturally free of gluten, a study cited on Reddit noted that standard Quaker 100% Whole Grain Old Fashioned Oats tested as high as 670–740 ppm of gluten, far exceeding the FDA's 20 ppm standard due to cross-contamination. This highlights the critical distinction between inherently gluten-free ingredients and certified gluten-free products for those with celiac disease or gluten sensitivities.