Horny Goat Weed Extract, in powdered extract form, by BulkSupplements.com is one of the selections from our herbal supplements. This Horny Goat Weed Extract is sourced from the Epimedium brevicornum grass. Each serving of this product contains 1000mg or 1g of Horny Goat Weed Extract with 10:1 Extract Ratio which is about 2/5 tsp and may need an accurate gram 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 Horny Goat Weed Extract powder, or Horny Goat Weed powder, is pure, natural and does not contain any fillers, additives, and artificial flavors. And this product 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.