Sea Snails .

Here are general nutritional values for 100 grams of cooked sea snails (whelks), though values may vary based on species:
Calories: 140 kcal
Protein: 24 g
Total Fat: 2 g
Saturated Fat: 0.5 g
Monounsaturated Fat: 0.3 g
Polyunsaturated Fat: 0.5 g
Cholesterol: 170 mg
Sodium: 600 mg
Potassium: 220 mg
Vitamin A: 130 IU
Calcium: 40 mg
Iron: 2.3 mg
Magnesium: 45 mg