What are the ingredients in Quest crispy protein bars?
                                
                                
                                •
                                
                                
                        
                                    
                                    3 min read                                
                            
                                Many Quest crispy protein bars contain a dairy-based protein blend of milk protein isolate and whey protein isolate. This complete protein source provides your body with all nine essential amino acids. This article details what are the ingredients in Quest crispy protein bars and how they contribute to their popular high-protein, low-sugar formula.