A source of catechins and modest natural caffeine, studied for fat oxidation support.
Green tea extract supplies catechins, particularly EGCG, alongside a modest amount of natural caffeine.
Research on green tea catechins and fat oxidation is among the more replicated findings in the weight-management supplement space, though effect sizes in most studies are modest rather than dramatic.
Because it contains natural caffeine, it's worth factoring into your daily caffeine total if you're also drinking coffee or tea.