Droi-Kon is a nutritional supplement manufactured by Summit Nutritionals International, Inc. In order to protect the quality of the product and to ensure the customer of the product source and safety, Summit Nutritionals International, Inc. has trademarked its premium Food Grade Chondroitin Sulfate. Our Chondroitin Sulfate is already well-known to the industry by its supporting five independent lab reports, certificates of analyses and product specification data sheets. Now when companies see Droi-Kon Chondroitin Sulfate, they are guaranteed they are using only the highest quality Food Grade Chondroitin Sulfate. Summit Nutritionals International, Inc., provides assay results on their food grade Chondroitin Sulfate by Titration (CPC Titration (cetylpyridinium chloride)) using the USP standard in which the results are reported on a dried basis (this being the best number to work with as it takes into account the moisture percentage) along with the Chondroitin Sulfate A and Chondroitin Sulfate C content. The best way to ensure that you are acquiring high quality Chondroitin Sulfate is by choosing Summit Nutritionals International, Inc. , as your reliable 100% BSE free source.