Portillo's Barnelli's Sandwiches Grilled Tuna

% 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.

There are 13 essential vitamins required for the body to work properly, which are categorised into two categories: fat-soluble and water-soluble vitamins. Vitamins have a Recommended Dietary Allowance (RDA), provided by the Dietary Reference Intakes (DRIs), which vary by age and sex. The %DV indicates how much one serving contributes to the average recommended daily intake.

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).