The new standard in immune support.
Transfer Factor Max delivers 900 mg of 4Life Transfer Factor in every serving — including new plant-based PhytoFactor™. Four types of transfer factor, one capsule. Backed by a 30-day money-back guarantee.
Transfer Factor Max delivers 900 mg of 4Life Transfer Factor in every serving — including new plant-based PhytoFactor™. Four types of transfer factor, one capsule. Backed by a 30-day money-back guarantee.
Real moments from real routines — morning, midday, and evening with the Transfer Factor family.
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The most powerful immune-support formula 4Life has ever made — built around four types of transfer factor, supported by a Super-Mushroom Blend and essential micronutrients.
The only immune-support formula with both plant-based PhytoFactor™ and the full Tri-Factor Blend from colostrum and egg.
Supports over 90% of your immune system's key cell types — NK cells, B cells, T cells, neutrophils, and macrophages.*
Clinically shown to activate the immune system within two hours of your first serving.*
Clinically shown to mobilize millions of immune stem cells for targeted renewal and rejuvenation.*
PhytoFactor™ is 4Life's first plant-based source of transfer factor — bioactive immune-supporting peptides extracted from Brassica napus seeds.
It's exclusive to 4Life products. Max is the first formula to combine all four known types of 4Life Transfer Factor — UltraFactor XF®, NanoFactor®, OvoFactor®, and now PhytoFactor™ — in a single daily serving.
Get Max — $94Capsule, chewable, liquid shot, drink mix, or tea — 4Life makes immune support in every format you'd actually use. Each one has its own loyal following.
The foundational formula. Pure UltraFactor XF® — the simplest expression of 4Life's original recipe.
Learn more →4Life's #1 selling formula for two decades. The full three-source Tri-Factor blend in 600 mg of immune support.
Learn more →Tri-Factor plus zinc and the 10-ingredient Cordyvant™ Polysaccharide Complex (843 mg) — 4 mushrooms, IP-6, phytosterols, and more.
Learn more →A liquid superfruit shot with 600 mg of Transfer Factor, Vitamin C, and elderberry. No capsules required.
Learn more →300 mg of PhytoFactor™ in a 17-superfood greens drink mix. Vegan, paleo, keto.
Learn more →The only herbal tea with PhytoFactor™ — caffeine-free, family-friendly, lemon-honey-ginger.
Learn more →The Tri-Factor formula in a chewable tablet — kid-friendly, naturally flavored, made for ages 4 and up.
Learn more →Transfer Factor is the foundation — but 4Life makes products across eight wellness categories. Whether you're looking for digestive health, general wellness, energy & weight management, beauty & skin, or curated starter packs, there's a science-backed option waiting.
Explore the Full Catalog →Try a single bottle, save with a 2-Pack, or join the Loyalty Program — earn 15% back in Loyalty Points on every order. All orders backed by a 30-day money-back guarantee.
All orders ship from 4Life Research's NSF & cGMP-certified facility. Standard delivery 3–5 business days.
900 mg of 4Life Transfer Factor — including new plant-based PhytoFactor™ — in every daily serving. Backed by a 30-day money-back guarantee.