Is soy sauce a complete protein? An in-depth nutritional analysis
                                
                                
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                                    4 min read                                
                            
                                A single tablespoon of regular soy sauce contains a mere 1 to 1.3 grams of protein but can pack nearly 900 milligrams of sodium, a significant portion of the daily recommended limit. This stark nutritional contrast immediately raises the question: is soy sauce a complete protein, and is it a meaningful source of this crucial macronutrient for your diet?