What is the most protein-dense liquid?
                                
                                
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                                    4 min read                                
                            
                                Specialized, concentrated supplements designed for medical or athletic use are technically the most protein-dense liquids available, with some providing over 15 grams of hydrolyzed protein per fluid ounce. However, depending on your dietary goals and needs, there are several highly potent options for increasing your protein intake through liquids.