What Is in the Smoothie King Protein Blend? A Detailed Ingredient Breakdown
                                
                                
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                                    4 min read                                
                            
                                According to Smoothie King, many of its blends are made with whole fruits, organic vegetables, and pure ingredients. What is in the Smoothie King protein blend, however, varies significantly depending on the specific proprietary enhancer used, offering options for a variety of dietary needs and fitness goals.