4Life NanoFactor Glutamine Prime:

4Life NanoFactor Glutamine Prime is food for your immune system cells. Feed your immune system with an exclusive formula featuring glutamine—an amino acid that serves as a major source of immune system cell fuel.
Glutamine Prime also contains NanoFactor, a proprietary concentrate of micro-filtered cow colostrum for more effective cell communication.
Glutamine Prime is an excellent companion product to the complete line of 4Life Transfer Factor products.