How much energy is in a tuna sandwich?

The energy content of a tuna sandwich can vary depending on the ingredients and the size of the sandwich. However, as a general guide, a tuna sandwich made with two slices of white bread, one can of tuna, mayonnaise, and lettuce and tomato may contain around 350-450 calories. This energy content can be divided into approximately:

- Protein: 25-30 grams

- Carbohydrates: 35-45 grams