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 by up to 204%*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.*
At 4Life, we’ve made a commitment to uphold the highest standards of product quality. We certify all 4Life Transfer Factor® products and will always strive to create products of the utmost quality and efficacy. We pledge to uphold the product design and manufacturing for every product we sell. When you purchase 4Life Transfer Factor products, you can rest assured that you’re getting the very best. In fact, we guarantee it
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"I take 4Life Transfer Factor products and I've been thrilled with the support they provide. My energy levels are wonderful and my friends comment on how healthy I look. I am so happy to have found this wonderful product and company. It is truly making a difference in my life. I share my story with everyone."*
Carolyn Mintz, 4Life distributor
North Carolina, USA
Ensures exclusivity with protective United States patents: #6,468,534 (extraction process for transfer factors from egg sources) and #6,866,868 (combination process of transfer factors from cow colostrum and chicken egg yolk).