Astaxanthin is a carotenoid, which stems from the microalga Haematococcus Pluvialis. This alga is known for its strong red colour, which represents a protective reaction under harsh living conditions. This protective reaction enhances extremely its capability of resistance. The selenium in the product stems from organic mustard seed extract of the black mustard (Brassica Nigra) and it also contributes to protect the cells from oxidative stress. In addition to that, the product also contains grape seed concentrate powder, which stems solely from organic grapes, which are rich in natural OPC (oligomeric proanthocyanins). OPC belong to the secondary substances of plants and protect them from damaging external factors, among other things. All in all, the product is an extremely powerful antioxidant, a food supplement very appreciated by sportsmen and by physically and mentally active people. The astaxanthin from GSE is the world's first in organic quality.