Green tea has long been heralded for its antioxidant polyphenols.

Evidence shows that an active ingredient, catechin, can crank up metabolism. Researchers conducted a series of studies in dieters and found that those who went green lost more weight than those who didn’t, suggesting that catechins may improve fat oxidation and thermogenesis, your body’s production of energy, or heat, from digestion.

Another study showed that fat oxidation was increased by 17%, indicating that green tea may selectively increase the burning of fat