What Nutrients Does Edible Sea Moss Contain?

According to the U.S. Department of Agriculture, a 2-tablespoon (2-gram) serving of sea moss provides the following:
 Calories: 5
 Carbohydrates: 1.2 grams
 Protein: 0.2 grams
 Dietary fiber: 0.13 grams
 Total fat: 0.02 grams
 Sugars: 0.06 grams
 Phosphorus: 15.7 milligrams
 Magnesium: 14.4 milligrams
 Calcium: 7.2 milligrams
 Sodium: 6.7 milligrams
 Potassium: 6.3 milligrams
 Iron: 0.89 milligrams
 Zinc: 0.195 milligrams
 Copper: 0.015 milligrams