Beneficial dietary component from live brown seaweed

Studied for immune health

100% pure brown seaweed extract supplement

Swanson GreenFoods Fucoidan is made from Laminaria japonica and Cystoseira canariensis brown seaweed. Standardized to 40% total polysaccharides and 5% seaweed phenolics, our 100% pure and natural Fucoidan brown seaweed extract supplement is available in 500 mg capsules. Preliminary research suggests that they may support the human immune system. Swanson GreenFoods brand Fucoidan is 100% pure, 100% natural and 100% guaranteed.