4Life's original colostrum-derived 4Life Transfer Factor product for daily immune system support* Primary Support: Immune System, Overall Wellness*

• Supports the immune system's natural ability to recognize, respond to, and remember potential threats with 600 mg of 4Life Transfer Factor.
• 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.®*

Supports the immune system's natural ability to recognize, respond to, and remember potential threats with 600 mg of 4Life Transfer Factor.4Life Research