McDonald's (Canada) Double Big Mac Sandwich nutrition facts

One serving of McDonald's (Canada) Double Big Mac Sandwich (1 sandwich) has 680 calories, which works out to 253 calories per 100 g. That is about 34% of a 2,000-calorie day.

It provides a solid 40 g of protein per serving (80% of the 50 g daily value), but protein supplies only 23% 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 26% of its calories come from carbohydrates, while most keto plans cap net carbs at 20–50 g per day.

1340 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.