4Life Transfer Factor: "4Life Transfer Factor™ and Transfer Factor Plus™ were tested for their ability to increase Natural Killer Cell (NK) activity by killing live cancer cells. The research used peripheral blood mononuclear cells (PBMC) isolated from human volunteers. Test results showed that 4Life Transfer Factor™ increased the NK cell activity 103% above immune response without supplementation, more than two times higher than the next highest product. The study also showed that Transfer Factor Plus™ increase the
NK cell Activity 248% above normal immune response without supplementation, or about five times higher than any of the other previously tested products. "
NK cell Activity 248% above normal immune response without supplementation, or about five times higher than any of the other previously tested products. "
