How many grams of protein are in one handful of walnuts?
                                
                                
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                                    3 min read                                
                            
                                One standard 1-ounce serving, or about a handful, of walnuts contains roughly 4.3 grams of protein. This small but mighty snack also delivers a powerhouse of omega-3 fatty acids, antioxidants, and essential vitamins and minerals.