Bioastin is a very popular brand name astaxanthin product made by Nutrex Hawaii. Nutrex Hawaii makes premium quality supplements. The only supplements they sell are their spirulina and their Bioastin. All of their products are produced from micro-algae. This micro-algae comes from unpolluted waters. Nutrex dietary supplements are produced in Kailua-Kona, Hawaii by Cyanotech Corporation, a world leader in high-value nutrition and health products derived from blue green micro-algae. Nutrex … Continue reading →