• UltraFactor™—A proprietary concentrate of ultra-filtered 4Life Transfer Factor® proteins and other peptides from cow colostrum
Made in the USA with quality ingredients from around the world.
Product Specifications
Serving Size: Three (3) Capsules
Servings Per Container: 30
I am super happy to know about and use 4Life® products.
Reyna Salinas
†A. Andersen, P. Vieira-Brock, B. Vaughan, D. Vollmer Method development for the analysis of PBMC-mediated killing of K562 cells by bovine colostrum Journal of Immunological Methods Volume 499, December 2021