On the typical Western diet, 10 percent DIT is a stretch. Crunch the numbers, and you get 7 percent. (You’ll know how later.) That means 175 calories of Average Joe or Jane’s 2,500-calorie requirement is attributed to DIT. Yet if they’d only adjust their daily macronutrient ratios, they could keep eating 2,500 calories daily and still lose 25 to 30 pounds (11.3 to 13.6 kilograms) per year.50