BetaCareAll® is concentrated naturally sourced mixed carotenoids derived from the sea plant Dunaliella salina, grown in the clear, clean waters and harvested without chemical additives or solvents. The mixed carotenoids in D. salina are highly bioavailable and may be the best natural source of mixed carotenoids available in a nutritional supplement. Carotenoids are antioxidant nutrients that help to protect the body against damaging free radicals.