Astaxanthin comes from the 100% natural green micro algae Haematococcus pluvialis. Royal Green Astaxanthin is grown in an extremely clean GMP certified environment in Hawaii. The algae is absolutely free of chemical additives. After harvesting, it is extracted according to the highest quality standards using a unique supercritical extraction process. This results in a pure, broad spectrum and highly concentrated product. Astaxanthin also naturally contains the carotenoids canthaxanthin, beta-carotene lutein and vitamin E that contributes to the protection of cells from oxidative stress. Royal Green Softgels are naturally gluten free. Warning: Not to be consumed by infants or children under the age of 14. Do not use during pregnancy and lactation.