Twelve ingredients across five functional groups — transfer factor peptides, immune-cell activators, functional mushrooms, supporting vitamins, and polysaccharide complements.
📘 For every ingredient in deeper context — plus how it fits into the broader mechanism — read the Complete 2026 Guide to Transfer Factor Max.
UltraFactor XF®, NanoFactor®, and OvoFactor® — peptides from cow colostrum and chicken egg yolks. The foundation 4Life has built on for 25+ years.
Bioactive immune-supporting peptides extracted from Brassica napus seeds. 4Life's first plant-based source of transfer factor — and it works differently from the animal-derived kind. See the mechanism difference →
One of the most-researched immune support ingredients. Helps mature new immune system cells.*
Shiitake, cordyceps sinensis, maitake, and agaricus blazei — combined for broad-spectrum immune support.*
Potent antioxidant that supports the immune system, regenerates other antioxidants, and supports collagen synthesis.*
Essential for immune system health. Also supports bone health.*
Supports the production and function of key immune system cells. Max delivers 90% of your daily recommended amount.*
Oat polysaccharides plus baker's yeast — both clinically studied for immune support.*
Non-GMO. Vegetable capsules. Manufactured in 4Life's NSF and cGMP-certified facility.