Early research shows that fucoidan may help patients fight cancer, according to Cancer Treatment Centers of America. However, as of 2015, more research is needed.
Research shows that fucoidan is very high in antioxidants, states Cancer Treatment Centers of America. Fucoidan also kills viruses and shows an anti-inflammatory action. It may also stimulate the immune system and prevent blood clots. These actions suggest that it is beneficial in patients fighting cancer, as it acts like the body's own white blood cells and regulates properties in cells that inhibit cellular growth. However, these results have only been documented in the laboratory or within animals and have yet to proceed to actual human trials.