TransferFactorUS specializes in Transfer Factor Plus flagship product from 4LIFE Research.
We have been helping customers since 1999. We specialize in Transfer Factor products from 4LIFE Research. 4LIFE has been manufacturing Transfer Factor based supplements since 1998 celebrating 20 years this year. The Transfer Factor line of product now spans nearly 70 different products in 6 categories. In addition to our flagship product Transfer Factor Plus, and Transfer Factor Tri-Factor, we feature 11 products that are called Targeted Transfer Factor Products which are for specific health challenges and that support specific body functions such as healthy blood pressure, balanced cholesterol, blood sugar support, hormonal support and many other important body functions.