McDonald's (Canada) Big Mac Sandwich nutrition facts

One serving of McDonald's (Canada) Big Mac Sandwich (1 sandwich) has 520 calories, which works out to 248 calories per 100 g. That is about 26% of a 2,000-calorie day.

It provides a solid 23 g of protein per serving (46% 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 42 g of net carbs and 34% of its calories come from carbohydrates, while most keto plans cap net carbs at 20–50 g per day.

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

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