Natural Astaxanthin (Haematococcus pluvialis shell-broken powder) Assay:1%, 1.5%, 2%, 2.5%, 3%, 3.5%, dark red slice powder Natural ... pluvialis Natural Astaxanthin (Haematococcus pluvialis shell-broken powder)Assay1%, 1.5%, 2%, 2.5%, 3%, 3.5% Powder formAppearanceDark red slice, ... below 5, ventilated, dry warehouse, to prevent the heat or sun exposure, prohibited mixed with hazardous and toxic ...