... :Product Specification: 1.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, a member of the carotenoid family, ... is better than the open-air pool growth of micro algae Haematococcus pluvialis.Physiological Functions1. Powerful antioxidant effects.2 ...