Myco Defense Mushroom Blend. The ultimate blend of 12 healing mushrooms that contains polysaccharides that helps in building immunity. Its also known to lower cholesterol, reduce the risk of dangerous blood clot, prevent heart disease, relieve bronchitis and sinusitis, and fight cancer cells. The vitamin C in C24/7 improves the body's ability to absorb mushroom nutrients at least 3x better than other brand in enhancing activity of the immune system.