What Happens If You Eat a Pizza on Keto?
                                
                                
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                                    5 min read                                
                            
                                According to nutritional experts, a single slice of traditional pizza can contain 25–40 grams of carbohydrates, which is enough to knock many people out of ketosis for days. If you eat a pizza on keto, your body will switch from burning fat for energy back to using glucose, causing a cascade of metabolic changes and potential side effects.