A blood sample was then drawn, following which subjects ingested a single serving of 4Life Transfer Factor Tri-Factor Formula. Blood was drawn again at one- and two-hour intervals.

4Life plans to launch a patented, plant-based immune system formula in April 2026. By then, the product will be backed by three human clinical studies, reinforcing its scientific credibility and ...

When 4Life launched its business in Mexico nine years ago, the regulatory environment required the company to operate under the name Transfer Factor Mexico. Today, executives are pleased to ...