What are the key benefits of Astaxanthin found in Krill Oil? Astaxanthin is an excellent-antioxidant present in Krill Oil. Microalgae within the ocean deliver significant levels of astaxanthin which have been then ingested with the krill, giving them the pinkish coloring. Astaxanthin is really a keto-carotenoid, like beta-carotene and lycopene, whi