What is the most unhealthy cereal in the US?
                                
                                
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                                    4 min read                                
                            
                                According to a 2025 study, American breakfast cereals are becoming less healthy, with increasing amounts of fat, sodium, and sugar. If you've ever wondered **what is the most unhealthy cereal in the US?**, you're not alone; many popular cereals are more akin to dessert than a nutritious breakfast. This deep dive into the nutritional content of popular cereals will reveal the top contenders for the unhealthiest bowl and empower you to make more informed choices for you and your family.