Everything you need to know about calculating your daily calorie needs Plus, the 7 factors that affect how many calories you need per day.
Reviewed by Brian St. Pierre, MS, RD Calorie manipulation—whether to lose weight or gain muscle—seems simple. After all, it’s just math… right? Sort of. But it’s tricky. Your body is a complex machine. In order to determine how many calories your body needs to achieve your goals, you need to first understand how your body burns…