What are the advantages of Astaxanthin present in Krill Oil? Astaxanthin is an excellent-antioxidant existing in Krill Oil. Microalgae during the ocean create superior levels of astaxanthin that are then ingested from the krill, giving them the pinkish coloring. Astaxanthin is often a keto-carotenoid, like beta-carotene and lycopene, and is particu