Astaxanthin Gold features a natural, pure source of astaxanthin extracted from Haematococcus pluvialis using a patented, supercritical, solvent-free process. The AstaReal extract used in Astaxanthin Gold is the world's most studied brand of astaxanthin, and aids skin, immune, and eye health. Astaxanthin Gold is manufactured in the USA to industry-defining quality standards and is verified by independent third-party labs to meet identity, purity, and potency label claims.