Transfer Factor XF - The Original. Formulated using a patented extraction process, Transfer Factor XF contains transfer factors sourced exclusively from cow colostrum. 4Life pioneered the effort to provide transfer factor products to consumers, licensing a patent and improving upon the process to extract transfer factors from cow colostrum.

Targeted Transfer Factor. Targeted Transfer Factors are part of a revolutionary new system of support, scientifically researched and developed by 4Life, where the power of transfer factors are targeted to directly benefit specific systems of your body.

Using advanced technology and a patented extraction process, 4Life promotes system-specific immune function within its egg sources through careful management of the chicken’s environment. These specialized transfer factors are then extracted and concentrated, providing highly targeted nutritional support for cardiovascular, metabolic, endocrine and brain function.

Transfer Factor E-XF. Synergy. You are familiar with the concept—an outcome that is greater than the sum of its parts. This is exactly what 4Life aimed for when we decided to combine two sources of immune-enhancing transfer factors. And it’s exactly what we achieved.

4Life Transfer Factor Advanced Formula, as well as other 4Life Transfer Factor products (including targeted products), features the scientifically proven Transfer Factor E-XF proprietary blend. Developed exclusively by 4Life using patented and patent-pending technology, the E-XF blend calls upon the knowledge of two sources, providing an enhanced combined effect of transfer factors from both cow colostrum and chicken eggs. Research shows that the immune building effects of this transfer factor blend are more potent than that of colostrum or egg sources alone.

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