Caffeine suppresses fat absorption, while the combination of caffeine and catechins results in an enhanced anti-obesity effect. Lastly, GHG also may be involved in the hepatic lipid metabolizing effect of purple tea by enhancing CPT1A expression
Since it was just recently discovered, purple tea is somewhat new to the world of tea. Only a few years have passed since purple tea became commercially available, and it is still uncommon in many tea stores.