The Library

Long-form reading on immune education.

Evergreen articles on transfer factors, PhytoFactor™, and the science behind 4Life's most popular products. Free to read. No paywall.

PhytoFactor
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9-min read · Published June 22, 2026

What is PhytoFactor™? The plant-based transfer factor explained

The complete guide to the first plant-based source of transfer factor. Discovery, mechanism, the Brassica napus origin story, and the three products that now contain it.

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The Discovery
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9-min read · Published July 15, 2026

How 4Life Research discovered PhytoFactor™ in Brassica napus

For 75 years, transfer factor meant animals — blood, then colostrum, then egg yolk. The story of the assumption nobody tested, the field crop that broke it, and the 900 mg formula it produced.

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Science · New
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7-min read · Published July 29, 2026

Neutrophils and the innate immune system: what Jensen 2026 tells us

Meet the body's first responders — the most abundant white blood cell. How they fight, what activation means, and why Max's second clinical study (Jensen 2026) focused on them.

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Comparison
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10-min read · Publishing Soon

4Life Super Greens vs AG1: side-by-side comparison

The two most-talked-about greens powders, broken down on ingredients, taste, format, sourcing, immune positioning, and per-serving cost.

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Science · The Factory
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7-min read · Published July 25, 2026

What are immune stem cells, and why do they matter?

Inside the body's renewal crew. What stem-cell mobilization actually does, why Max's third clinical study (Gardner 2026) focused on it, and how it powers the fourth verb — Renew.

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Ingredient Guide
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8-min read · Publishing Soon

4Life Immune Tea ingredients: a botanical-by-botanical guide

Elderberry. Astragalus. Rosehips. Hibiscus. Ginger. Lemon peel. What each organic botanical does, and how they balance against PhytoFactor™.

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Lifestyle
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5-min read · Publishing Soon

Building a daily PhytoFactor™ ritual: morning, midday, evening

How to weave Max, Super Greens, and Immune Tea into a routine you'll actually keep — without feeling like you've added a job.

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