Jarrow Astaxanthin features AstaPure Astaxanthin. It is an antioxidant carotenoid, naturally derived from the cultivation of a unique Haematococcus pluvialis microalgae strain. Clinical studies show it supports skin, joint and eye health. Jarrow's formula delivers 12 mg astaxanthin per serving. No wheat, gluten, soybeans, dairy, egg, fish/shellfish, peanuts/tree nuts or sesame.