... Astaxanthin Powder 1%, 2%, 2.5%, 3%, 3.5% (by UV or HPLC)2.Shell Cracked Astaxanthin Powder (Cell Wall Broken Astaxanthin Powder) 2%, 2.5%, 3%, 3.5% Product IntroductionAstaxanthin, ... for the production of highly concentrated Astaxanthin up to 3.5%. Air pollution, biological and chemical contaminations are prevented ... cosmetics3.Pharmaceutical stuff4.Feed additive Shell cracked Astaxanthin 2% 2.5% 3%