Natural Astaxanthin (Haematococcus pluvialis shell-broken powder) Assay:1%, 1.5%, 2%, 2.5%, 3%, 3.5%, dark ... haematococcus pluvialis Natural Astaxanthin (Haematococcus pluvialis shell-broken powder)Assay1%, 1.5%, 2%, 2.5%, 3%, 3.5% Powder ... 100% toxic-free micro algae haematococcus pluvialis. Use appropriate protection measures to avoid direct contact, inhalation or digestion Application:Nutritional ...