Is Arginine Supplement Better Than Citrulline for Performance?
                                
                                
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                                    4 min read                                
                            
                                Research from the National Institutes of Health indicates that citrulline supplementation is more efficient than arginine at increasing systemic arginine availability. When considering if an **arginine supplement better than citrulline**, the answer lies in understanding their metabolic pathways and bioavailability.