Isabella Smith

its partially oxidized tea is a popular choice, with a bolder flavor than green tea but milder than black.
Oolong contains a blend of polyphenols that green and black tea are famous for: catechins (green tea) and theaflavins (black tea), according to a previous review. Like these other tea varieties, oolong also provides caffeine and may promote weight loss.

Green Tea
Most conversations about tea and weight loss tend to start with green tea — and for good reason. Of all the teas, this mild, bittersweet variety has the most research to back up its potential weight loss benefits.

Black tea
Once harvested, black tea leaves can oxidize — that is, absorb the surrounding air — longer than other teas, according to a previous review. This intensifies the flavor, making black tea one of the boldest varieties on the market.