Maintain your overall health with vegan BioAstin Hawaiian Astaxanthin. Astaxanthin is a natural antioxidant derived from microalgae. It supports joint, skin and eye health and provides a wide range of other health benefits. BioAstin is grown on our Hawaiian farm situated in the BioSecure Zone on the Kona coast. Our farm uses natural sunlight, lava-filtered water and solar energy to make a pure and healthy form of astaxanthin for a pure and healthy you.