Subway Tuna & Mayonnaise Sandwich

% DV refers to how much a single serving of an individually packaged food or supplement contributes nutritionally to your daily diet, based on a 2,000-calorie-a-day diet. Generally, having 5% DV or less of a nutrient per serving is considered low, and 20% DV or more of a nutrient per serving is considered high.

The suggested total fat consumption should be limited to 30% of total energy intake or less. The type of fat consumed should primarily be unsaturated fatty acids, with no more than 10% of total energy intake coming from saturated fatty acids (about 200 calories on a 2000-calorie diet) and no more than 1% of total energy intake coming from trans-fatty acids.

Minerals are micronutrients, of which 13 of them are essential to the human body. The Recommended Dietary Allowance includes Calcium (1,300 mg/d), Phosphorus (1,250 mg/d), Potassium (4,700 mg/d), Sodium (2,300 mg/d), Chloride (1,500 mg/d), Magnesium (420 mg/d), Iron (18 mg/d), Zinc (11 mg/d), Copper (0.9 mg/d), Selenium (55 mcg/d), Molybdenum (45 mcg/d), Manganese (2.3 mg/d) and Iodine (150 mcg/d).