One 100 g serving of formulated bar, mars snackfood us, snickers marathon protein performance bar, caramel nut rush has 415 calories, 50.5 g of carbs, and 12.5 g of fiber.
Full macro and micronutrient breakdown, plus how this compares across diets, is on the Formulated bar, MARS SNACKFOOD US, SNICKERS MARATHON Protein Performance Bar, Caramel Nut Rush nutrition facts page.