Green tea leaf extract is the best-researched of Valiora's three active ingredients, and it's the one most often cited in weight-management formulas generally.
Its catechins — EGCG in particular — are studied for a small, temporary rise in energy expenditure, usually alongside the caffeine that occurs naturally in the leaf.
Valiora doesn't publish how much green tea extract is in each capsule; it's listed as part of the formula's proprietary blend rather than with an individual milligram amount.
Where it sits in the formula: one of three named ingredients in Valiora's proprietary blend, alongside Apple Cider Vinegar, Berberine HCl.