Tribulus Terrestris Extract, in Tribulus terrestris powder form by BulkSupplements.com is one of the selections from our herbal supplements. This Tribulus Terrestris Extract powder is sourced from Tribulus terrestris whole herbs with fruits. Each serving of this product contains 1500mg (1.5g) of Tribulus terrestris Extract which is about 3/5 tsp and may need a 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 Tribulus Terrestris Extract powder is pure, natural and does not contain any fillers, additives, and artificial flavors. And our Tribulus Terrestris Extract 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.