Source Naturals, Wellness Transfer Factor, 125 mg, 60 Vegetarian Capsules

Vegetarian CapsulesSupports Immune System ResponseDietary Supplement Wellness Transfer Factor™ is a technologically advanced approach to immune system integrity. Wellness Transfer Factor is a low molecular weight fraction of bovine colostrum. Transfer factors are chemical messengers that enhance immune system response. This ability to response can be transferred from one organism to another, and from one species to another.