Sandwich, white bread, tuna mayonnaise

This tuna mayonnaise sandwich consists of white bread with a tuna and mayonnaise filling. The figures describe a recipe from a survey of commercial sandwiches. It mainly provides carbohydrate, protein and fat. Per 100g, it contains 25g of carbohydrate, 13g of protein, 10g of fat and 0.88g of salt.

Carbohydrate provides energy, while protein is needed for the growth and repair of body tissues. The sandwich also provides vitamin B12, which supports normal red blood cell formation and nerve function. Its salt content is worth noting for people monitoring their salt intake. Nutrient amounts can vary with the bread, filling and mayonnaise used. Full figures are in the tables below.