Green Tea Extract, in Green Tea Extract powder form, by BulkSupplements.com is one of the selections from our herbal supplements. This Green Tea Extract contains 50% EGCG (Epigallocatechin gallate). This Green Tea Extract powder, is sourced from Green Tea leaves, Camellia sinensis. Each serving of this product contains 500mg of Green Tea Extract which is about 1/5 tsp and may need an accurate milligram scale to measure. And, we also sell it different sizes ranging from 100g to 5kg in resealable bags. Contents of this product is sold by weight, not volume and settling may occur. Our Green Tea Extract powder is pure, natural and does not contain any fillers, additives, and artificial flavors. And our Green Tea Supplement is dairy free, gluten free, soy free, yeast free, and no added sugar. All products by BulkSupplements.com are manufactured according to cGMP Standards to ensure the highest quality for manufacturing, packaging, labeling, and holding operations. We work with a third-party laboratory that test our products at multiple stages during production, from raw material to finished products, and ensures compliance, standards, and consistency.