What Happens With a Lack of Amino Acids? Your Body's Silent Breakdown
                                
                                
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                                    5 min read                                
                            
                                According to the National Institutes of Health, the human body requires 20 amino acids to function correctly. When there is a lack of amino acids, essential bodily processes are disrupted, leading to a range of mild to severe health complications that affect every system from muscle and skin health to mood and immunity.