One 100 g serving of beef, brisket, flat half, boneless separable lean only, trimmed to 0" fat, all grades, raw has 132 calories, 0 g of carbs, and 0 g of fiber.
Full macro and micronutrient breakdown, plus how this compares across diets, is on the Beef, brisket, flat half, boneless separable lean only, trimmed to 0" fat, all grades, raw nutrition facts page.