Natural Path Silver Wings Colloidal Silver Herbal Tincture Spray Description With Echinacea & Oregano Immune Support Over 20 Years Silver Wings’ colloidal silver is guaranteed to be a colloid (1-10 Nanometers) with the highest percent of the silver particles at 2 Nanometers. Tested for purity, particle size and concentration (150 PPM) by in-house and qualified third party independent laboratories. Directions SUGGESTED USE:4 sprays, 1-3 times daily in mouth and swallow as needed for immune support.* For up to 14 days. Shake well. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.