Astaxanthin Synonyms: 3,3'-Dihydroxy-beta,beta-carotene-4,4'-dione ... water,soluble in many of organic solvents Function and Usage: Astaxanthin is a natural nutritional component, it can be found as ... a food supplement. The supplement is intended for human, animal, and aquaculture consumption. Cosmetic Use:For its high-performance antioxygenic ...