Experience powerful immune system support with three top products designed to enhance your health. 4Life Transfer Factor Plus Tri-Factor Formula educates and balances the immune system using the exclusive Tri-Factor Formula. It boosts Natural Killer (NK) cell activity and activates B cells, T cells, and macrophages, featuring ingredients like UltraFactor®, OvoFactor®, and NanoFactor® extracts. It is NSF certified for quality. Pre/o Biotics promotes the growth of beneficial intestinal flora with five researched probiotic strains and three types of prebiotics, increasing probiotic growth by up to 868% with the addition of the Tri-Factor® Formula. 4Life NanoFactor Glutamine Prime supplies immune cells with glutamine and enhances communication between them using NanoFactor® extract, offering synergistic support when combined with other 4Life products.