Is breastmilk 80% water? A closer look at its surprising composition
                                
                                
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                                    5 min read                                
                            
                                While many people hear that breastmilk is 80% water, the reality is that mature breastmilk is actually composed of an even higher percentage of water, around 87% to 88%. This liquid, however, is a complex, dynamic fluid containing a complete nutritional profile tailored specifically for an infant's needs.