Is there gluten in In-N-Out milkshakes? Your Complete Guide
                                
                                
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                                    4 min read                                
                            
                                According to official company allergen information, In-N-Out's milkshakes are made with gluten-free ingredients. However, navigating a fast-food menu with dietary restrictions requires understanding more than just ingredients, especially for those with celiac disease or severe gluten sensitivity.