Buttermilk Crispy Chicken Sandwich (McDonald's) nutrition facts

One serving of Buttermilk Crispy Chicken Sandwich (McDonald's) (1 sandwich) has 620 calories. That is about 31% of a 2,000-calorie day.

It provides a solid 28 g of protein per serving (56% of the 50 g daily value), but protein supplies only 18% of its calories, so it is not a protein-dense food. Foods where protein provides 30% or more of calories are generally considered protein-dense.

It is hard to fit into a strict keto diet. One serving has 60 g of net carbs and 40% of its calories come from carbohydrates, while most keto plans cap net carbs at 20–50 g per day.

1030 mg per serving, which is high (20% or more of the 2,300 mg daily value).

11 g of total sugars per serving. Labels list total sugars, which include natural sugars from fruit and milk as well as any added sugars.