Transfer Factor outperforms all of the others.

Nature’s Natural State-of-the-Art Immune Fortifier:
Transfer Factor is
Education for your Immune system. Transfer factors

• are natural regulators of your immune system.
  Building up an underfunctioning system and calming an overfunctioning system.
• are stored information that educates your immune system.
• use natural amino acids to store this information. This information is common to all animal species.
• teach your immune system how to use the nutrients that you take.
• improve your own immune system, thereby allowing your body to heal itself.

Transfer Factor is the only nutritional product that a government agency has recommended to be used on patients in hospitals, by doctors.
After ten clinical studies on actual patients, the Russian Ministry of Health (like the FDA in the USA) sent a 32-page report to hospitals and doctors in Russia, encouraging the use of Transfer Factor for patients.