Royal Green Astaxanthin is grown in an extremely clean environment on Hawaii and is 100% natural. King of the superfoods Royal Green Astaxanthin contains four different carotenoids from the 100% natural micro algae Haematococcus pluvialis. The most important is Astaxanthin, which we provide in a highly concentrated form. Royal Green Astaxanthin also naturally contains the carotenoids canthaxanthin, beta-carotene and lutein. The added Vitamin E contributes to the protection of cells from oxidative stress. Contains 4 mg Astaxanthin, 10 mg Vitamin E, Lutein, Beta-carotene and Canthaxanthin.