Antiseptic Colloidal Nano Silver is 5X more effective than just Colloidal Silver. Antiseptic Colloidal Nano supports Immune System Antiseptic Colloidal Nano Silver is Safe and Effective Antiseptic Colloidal Nano Silver has NO additives or Impurities. Antiseptic Colloidal Nano Silver is a natural antibiotic. Antiseptic colloidal Nano Silver has only two (2) elements Antiseptic Colloidal Nano Silver is distributed in form of stable dispersion. We recommend storage in the refrigerator at 2-6 °C. Do not freeze or heat! Process within 6 months from date of manufacture. Antiseptic Colloidal Nano Silver is made in USA by AG-NANO SYSTEM LLC