What exactly are some great benefits of Astaxanthin located in Krill Oil? Astaxanthin is a super-antioxidant current in Krill Oil. Microalgae in the ocean develop substantial levels of astaxanthin which are then ingested via the krill, supplying them the pinkish coloring. Astaxanthin can be a keto-carotenoid, like beta-carotene and lycopene, which