Fucoidan is extracted from brown seaweed, which is has been proven by recent research to promote healthy skin; in addition improving immunity, relieving stomach disorders, fighting allergies, improving and supporting liver and kidney function, inhibiting blood clotting, fighting free radicals, lowering cholesterol levels, and also stabilizing blood sugar levels. New research shows it could lose weight too. We offer two specifications- 1. Fucoidan 4%, Alginates 50% Food Grade, Cosmetical Grade Can be added to health food; Can be uesed in cosmetic industry. 2.Fucoidan 85%, Pharmaceutical Grade