Coffee increases metabolism because its main component, caffeine, is a stimulant that enhances your metabolic thermogenesis,
which is the process by which the body generates heat from digested food substances,
says Daniel Boyer, MD, a medical researcher in Des Moines, Iowa, who focuses on molecular biology and pharmacology,
Among other subjects, and is associated with the Farr Institute. A rapid metabolism, according to Harvard Health Publishing,
Means you'll burn more calories throughout the day, whether you're active or not.
"This means that a faster metabolic rate promotes quicker weight loss than a slower metabolic rate," explains Dr. Boyer.
According to the Mayo Clinic, drinking coffee induces a feeling of fullness in some people.