BulkSupplements.com Organic Matcha Green Tea Powder - Vitamins & Antioxidants What Is Certified Organic Matcha Green Tea Powder? Organic Matcha Green Tea powder by BulkSupplements.com is one of the selections from our herbal supplement and green tea powder. This Matcha Green Tea powder is sourced from green tea leaves, Camellia sinensis. Each serving of this product contains 750mg of Organic Matcha Green Tea powder which is about 1/3 tsp and may need an accurate milligram scale to measure. And, we also sell it different sizes ranging from 100g to 1kg in resealable bags. Contents of this product is sold by weight, not volume and settling may occur. Our Matcha Organic powder is pure, natural and does not contain any fillers or additives.