AAKG powder by BulkSupplements.com is one of the selections of amino acids supplement. Arginine is an amino acid that is semi-essential and its considered a nitric oxide supplement.* This is the L-Arginine alpha-ketoglutarate form. Each serving of this product contains 2500mg or 2.5g or L-Arginine alpha-ketoglutarate which is about 1 tsp, and may need a gram scale to measure. This product contains 1761mg of L-Arginine per serving. Contents of this product is sold by weight, not volume and settling may occur. And, we also sell it different sizes ranging from 100g to 5kg in resealable bags. Our AAKG powder, an L-Arginine powder, is pure, clean, and does not contain any fillers, additives and artificial flavors. And this Arginine supplement is dairy free, gluten free, soy free, yeast free, 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.