The Ultimate in Immune System Support This product represents 4Life's highest level of immune system support. 4Life® Transfer Factor Plus® Tri-Factor® Formula combines the intelligence of Transfer Factor E-XFTM, the intuition of NanoFactorTM extract, and the added support of our CordyvantTM blend to provide the ultimate in immune system support for your body. The proprietary Cordyvant blend features known immune-supporting ingredients such as maitake and shiitake mushrooms, cordyceps, inositol hexaphosphate, beta glucans, beta sitosterol, and olive leaf extract.
