U-Fn (Fucoidan) BrownSeaweed ExtractU Fn (Fucoidan) BrownSeaweed Extract U Fn is concentrated brown seaweed extract. This product was developed to maximize the quantity of essential polysaccharides found in Laminaria japonica (Kombu) and at the same time to leave a natural balance of vitamins and minerals. U Fn is a wholesome food supplement and delivers beneficial factors of brown seaweed in the enhanced bio available form. U Fn is strong antioxidant and can have immunomodulating