The sauce is the swing factor. A Spicy McCrispy carries 1,320mg of sodium, 88% of the daily limit for a child aged 4 to 8, against 560mg for a McChicken. Calories barely move, from 380 to 530.
The 8 items in this section range from 380 calories for the McDonald's US Filet-O-Fish up to 530 calories for the McDonald's US Deluxe McCrispy. Boone measures added sugar against the US per-meal limit and sodium against limits by age and sex, and the calculator on every page can switch to UK guidance.