Dietary Supplement From microalgae. Haematococcus pluvialis. Lab verified. Discussion: Astaxanthin is a carotenoid derived from haematococcus pluvialis, a type of microalgae. Astaxanthin is intended to provide nutritive support for healthy skin, immune system function, energy levels and joint health. www.solaray.com. www.nutrafamily.com. Comments or Questions: 800-538-5888. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.