• Educates, enhances, and balances the immune system with the exclusive Tri-Factor Formula
• Boosts natural killer cell activity by up to 283%*1
• Contains UltraFactor XF®, OvoFactor®, and NanoFactor® extract for the highest amount of 4Life Transfer Factor® per serving–600 milligrams*
• Contains certified 4Life Transfer Factor® to Raise Your Immune I.Q.®*
Primary Support: Immune System, Overall Wellness*