4Life Transfer Factor Immune Spray is a great-tasting formula that combines the anti-bacterial properties of colloidal silver with the immune power of Transfer Factor XF®. Transfer factors are tiny messenger molecules that transmit immunity information from one entity to another, such as between a mother and her breastfeeding infant. • In an independent study, 4Life Transfer Factor XF raised Natural Killer cell activity in the immune system 204 percent. Natural Killer cells are on the front lines of your immune system. • Colloidal silver has been touted as one of the most effectively-absorbed forms of silver. • Its unique and effective spray delivery system makes 4LifeTransfer Factor Immune Spray easy to carry with you and use throughout the day. • 4Life Transfer Factor Immune Spray contains no artificial colors, flavors, sweeteners or preservatives. • This formula is available as an easy-to-dispense, orange-flavored throat spray.
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