Astaxanthin is a naturally-occurring carotenoid that can be found in aquatic creatures which includes algae, shrimps, lobsters and fish which give out the natural reddish or pinkish colour. Astaxanthin in AstaOmega-3 is extracted from Haematococcus pluvialis, a red microalgae that produces a high concentration of astaxanthin. Astaxanthin exhibits high antioxidant activity which effectively scavenges free radicals in the body that may improve health conditions.