... 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 ... of micro algae Haematococcus pluvialis.Physiological Functions1. Powerful antioxidant effects.2. Increase strength and endurance3. Boosts Immune System4. Inhibit Skin ... in cosmetics3.Pharmaceutical stuff4.Feed additive Shell cracked Astaxanthin 2% 2.5% 3%