Red Yeast Rice Extract, in powdered extract form, by BulkSupplements.com is one of the selections from our herbal supplements. This Red Yeast Rice Extract sourced from Red Yeast Rice, Monascus purpureus. Each serving of this product contains 600mg of Red Yeast Rice Extract which is about 1/4 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 Red Yeast Rice Extract powder, or Red Yeast Rice powder, is pure, natural and does not contain any fillers, additives, and artificial flavors. And, this Red Yeast Rice Extract, or Red Rice Yeast Powder, is dairy 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.