Are Periwinkles High in Protein? Nutritional Facts Uncovered
                                
                                
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                                    3 min read                                
                            
                                According to the USDA National Nutrient Database, raw snails typically contain about 15% protein, making periwinkles a solid source of this essential macronutrient. These tiny sea snails, also known as winkles, are a celebrated delicacy in many cultures and offer a range of valuable nutrients beyond just protein.