4Life® Transfer Factor Plus® Tri-Factor® Formula helps balance and support the immune system, according to what your body needs. 4Life Transfer Factor proteins and other peptides support the immune system's ability to respond quickly and effectively.* And, because 4Life Transfer Factor is certified, you can place your trust in the sound science and quality of this product. It provides 4Life's highest level of immune system support, boosting natural killer immune cell function by up to 437%.1 Representing the highest advancement in Transferceutical® Science, it combines the power of Tri-Factor Formula (UltraFactor XF®, OvoFactor®, and NanoFactor® extract) with the CordyvantTM blend to support innate and cellular immunity.*

• Educates, enhances, and balances the immune system with the exclusive Tri-Factor Formula
• Boosts natural killer cell activity by up to 437%
• Contains UltraFactor XF®, OvoFactor®, and NanoFactor® extract for the highest amount of 4Life Transfer Factor® per serving-300 milligrams
• Contains certified 4Life Transfer Factor® to Raise Your Immune I.Q.®*

Educates, enhances, and balances the immune system with the exclusive Tri-Factor Formula4life