Chondroitin Sulfate (ChS) is known as a kind of polysaccharide which is extracted from animal cartilage.Every processing step is conforming to Halal products requests. CHS Content£¨%): ¡Ã90% or 95% Clarity£¨A640nm: ¡Ã0.025 Microbial limits: ¡Ã100¸ö/g Standard: WS1-XG-2002 email: helenwxw@sina.com