What Does Kale Do for Your System? The Full Breakdown
                                
                                
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                                    4 min read                                
                            
                                According to Mayo Clinic Health System, even a small portion of kale offers a remarkable amount of essential nutrients, with one cup of raw kale containing only 20 calories. This dense concentration of vitamins and minerals is the key to understanding what does kale do for your system and why it has earned its superfood status.