4Life Transfer Factor® Classic


This product is currently sold out.

Please fill in the form below if you'd like to be notified when it becomes available.

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*
•Boosts natural killer (NK) cell activity*1
•Contains Certified 4Life Transfer Factor with UltraFactor XF®
• Contains certified 4Life Transfer Factor® to Raise Your Immune I.Q.®*

4Life Transfer Factor Classic has been recognized for years as the best colostrum-based transfer factor product for daily immune system support. It contains our original UltraFactor XF® ingredient for safe and proven immune system support.*