Nutrifirst Biotech Inc. is a leading manufacturer of chondroitin sulfate( 85%min, 90%min,95%min,98%min and USP in full Compliance with USP or Enzymatic HPLC testing method)(DMF registration No.23072),glucosamine HCl/ Sulfate,MSM,hyaluronic acid,as well as various herbal extracts in China.Chondroitin sulfate sodium manufactured by our factory is in compliance with USP's Dietary Ingredient Verification Program(DIVP) based upon a GMP audit at the site. We do private labeling and OEM contract manufacturing of nutraceutical supplements in tablets,capsules and softgels form according to the customers' formula.The formula of joint health,vitamin C and multivitamin is our strong item.First and foremost,all products are of the highest standard and produced in GMP factories. In many cases,we also have control over the ingredients.We know where the product has come from and can trace quality to source.