Give superior immune support a “tri!” 4Life Transfer Factor^® Chewable Tri-Factor^® offers a twist on Tri-Factor^® Formula in the form of a citrus cream tablet. This advanced formula helps your immune system recognize, respond to, and remember potential health threats, while offering more broad-based immune system support through a proprietary combination of 4Life Transfer Factor^® (immune messenger molecules) from cow colostrum, OvoFactor^® from chicken egg yolks, and NanoFactor^® mini molecules. Recent independent laboratory studies show that 4Life Transfer Factor^® Tri-Factor^® Formula bolsters Natural Killer (NK) cell activity in the presence of a health threat, while activating a variety of other immune system cells, such as B cells and T cells.† Chew three (3) tablets daily to educate, enhance, and balance your immune system.