Understanding Nutrition: How many calories are in a large meatball sub?
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3 min read
According to nutritional data, a single large meatball sub from a major fast-food chain like Firehouse Subs can contain over 1,300 calories, a significant portion of an average person's daily intake. The total caloric content is heavily influenced by the bread, meatballs, cheese, and sauce. So, **how many calories are in a large meatball sub?** The answer varies greatly depending on where you purchase it and the specific ingredients used.
