Natural Astaxanthin (Haematococcus pluvialis shell-broken powder) Assay:1%, 1.5%, 2%, 2.5%, 3%, 3.5%, dark red slice powder Natural Astaxanthin (Haematococcus pluvialis shell- ... or digestion Application:Nutritional supplement, nutrition enhancer, dietary supplements, heatlh food additives, pharmaceutical raw material. sport supplements, sport nutrtional supplements, bodybuilding ...