How Colloidal Silver Combats Harmful Organisms

by Dr. Edward Group DC, NP, DACBN, DCBCN, DABFM Published on , Last Updated on


Two thousand years ago, the Greeks and Romans used silver containers to hold and protect perishable liquids against harmful organisms. Silver containers were used until the invention of refrigeration to protect food liquids, such as milk, from spoiling. Using silver in the medical setting came into practice about one hundred and fifty years ago as a means to protect against infection. It remained popular against harmful organisms until the advent of antibiotics.

What is Colloidal Silver?

Colloidal silver is a preparation of silver particles in a pure solution. When properly produced, these microscopic silver particles carry a positive ionic charge that makes them effective against harmful organisms. Colloidal silver produced with high voltage technology is the most bioavailable and safest form of silver. Silver products made with low voltage methods are lower quality and can be ineffective and even contribute to argyria if consumed in excess. This is why it is so crucial to seek out a high-quality colloidal silver supplement produced with high voltage technology from the purest silver and distilled water available.

How is Silver Harmful to Harmful Organisms?

When positive silver ions encounter harmful anaerobic organisms like single-celled bacteria and fungus, it binds to the cell wall. The silver ions adsorb into the organism and, once inside, disrupt cellular function and neutralize the organism.[1]

The complete mechanism of this action remains to be determined. Silver appears to disrupt energy production within the cell of the bacteria. Additionally, silver may oxidize organisms, disrupt cellular respiration, and affect the enzymes in their environment in a way that makes it impossible for harmful organisms to thrive.

How it affects viruses is somewhat different, possibly oxidizing the virus and reducing its function. Some believe silver directly affects the DNA of the organism. This may deactivate the virus, making it inert and no longer harmful.

How Effective is Colloidal Silver?

A 1978 article published in Science Digest reported on clinical studies supporting silver as a potent killer of 650 live tested organisms. The research showed that silver was even successful against resistant strains. Research performed at UCLA Medical Labs verified these findings, documenting how colloidal silver was effective against a variety of live viruses.[2]

Polish researchers conducted a recent study that tested colloidal silver against several common harmful organisms.[3] The success of these tests relied on a colloidal silver product containing the smallest possible silver particles.

Although many organisms have adapted to resist antibiotics, silver’s cellular disruption continues to remain effective against common damaging compounds. Fortunately, silver is nontoxic and shows no sign of microorganism resistance.

Not All Silver is Created Equal

According to a 1992 Italian study by the Institute of Microbiology, pure electro-colloidal silver worked up to 100 times better than all other forms of silver. Solutions with smaller particle sizes (.005 microns or smaller) allow for a wider distribution of silver particles. The silver particles must also carry a positive electrical charge, as is found in quality preparations of colloidal silver. When choosing a silver solution, the highest quality and purity are necessary for maximum effectiveness and safety.

As with any product you ingest, the higher the quality, the better the results and the less likely the chance of side effects. Colloidal silver produced with high voltage technology does not cause the side effects that can occur with the ingestion of large silver salts or silver particles. Argyria, or the bluing of the skin, can result from ingesting large silver particles. To avoid argyria, it is important that you choose a silver supplement with small silver particles.

Are you a fan of colloidal silver? What have you noticed since taking it? Let us know your thoughts on this product in the comments!

References (3)
  1. Lansdown AB. A review of the use of silver in wound care: facts and fallacies. Br J Nurs. 2004 Mar;13(6 Suppl):S6-19.
  2. Coburn, Dhyana L., Dignan, Patrick D. The Wonders of Colloidal Silver. 1997.
  3. Pokrowiecki R, Zareba T, Mielczarek A, Opaliska A, Wojnarowicz J, Majkowski M, Lojkowski W, Tyski S. Evaluation of biocidal properties of silver nanoparticles against cariogenic bacteria. Med Dosw Mikrobiol. 2013;65(3):197-206.

†Results may vary. Information and statements made are for education purposes and are not intended to replace the advice of your doctor. Global Healing Center does not dispense medical advice, prescribe, or diagnose illness. The views and nutritional advice expressed by Global Healing Center are not intended to be a substitute for conventional medical service. If you have a severe medical condition or health concern, see your physician.

  • Layla Bint Ali

    I have been using Colloidal Silver for about two years now. I make my own and it works great. I’ve used it on Allergies for myself and Cold and Sore Throats for my two grown Sons. Generally we notice an improvement of symptoms within 12 hours. I take 2 tbls in the morning and at night for as long as the symptoms last, each time it has been less than a week to 2 days. If I forget to take it for a 24 hr period I feel worse but then when I resume and stick with it all symptoms clear up in a very short time. It works way better than antibiotics in my opinion. I also like to take it as a precaution if I get a tick bite, which happens every summer with all the hiking I do. What I find amazing is how well it works for bad allergies. It totally saved me this last summer from having horrible allergies. I don’t know why it works on allergies but it does for me. It could be it has anti fungal properties for molds. I think I have issues with mold more than pollen. But I usually have issues with rag weed in the fall and that hasn’t bothered me yet this year or last. I don’t believe it is a good idea to take it for a long period or every day as a preventative as I don’t know if it would harm the good gut bacteria or not. I haven’t had any issues so far but I’ve never had to take it longer than 10 days before I had complete relief of my symptoms. I have never experienced any bad side effects.

  • Henrik Haldén

    I think Its great! Works on most colds and flues, but not all. I’ve been recomending it to all my friends and relatives since I discovered it a few months back.

  • gene

    it is very effective….i use it when i start getting sick. it is the best!

  • rockinlj

    I use 500ppm colloidal silver when I feel the smallest onset of a sore throat or sniffle. This can be a common problem where I live which is near two National Parks and people come by the millions to visit, bringing their flu, colds and “crud” with them. Last fall I was planning a trip to Europe. I read an article recommending ingesting in an 8 oz. glass of distilled water 1/2 tsp. 500ppm colloidal silver for 3 days prior to exposure (such as an airplane/airport, etc.) as a preventative. The article states that the colloidal silver will remain in the body for 72 hours after this routine for 3 days. I was exposed to SO many sick people in close quarters it was mind boggling. I felt great, healthy. However, on day #4 I awoke with a tickle in the back of my throat. I had brought the bottle of colloidal silver with me. I purchased distilled water, added 1/2 tsp. to an 8 oz. glass of water and drank this 3 times a day (bumped it up) and within 24 hours the “tickle” was gone and I never got sick.
    I have also experienced toenail fungus after I had showered (even wearing sandals in the shower) at a surf camp. The fungus didn’t show up until I was back in the States (this happened in Baja) several weeks later. I applied directly the 500ppm colloidal silver directly onto the toenail in question daily for a week and the fungus disappeared completely. One year later, same thing happened in the same surf camp…sandals and all…and when I got back to the States, the same toenail had fungus under the nail. I repeated the colloidal silver routine and within a week, the fungus was gone.
    More recently I was removing dead Hawthorne tree branches to a burn pile and was scratched by the thorns on my arm. I immediately went into the house, washed the scratch and applied colloidal silver to the scratch. No poisonous reaction as usual when handling Hawthorne thorns, and barely a scab over the scratch…all gone in 2 days.
    I am a firm believer in colloidal silver; I have used it for years but only within the past 5 years have I become more educated about the strength…the stuff you can purchase in a health food store is generally only 5ppm MAYBE 10ppm, is clear, in a clear bottle. I could never understand why friends of mine swore by it when they felt the onset of a cold…when I became educated about the strength of the colloidal silver and more importantly that it MUST be ingested in distilled water to get into the entire body, not just sublingual under the tongue for total effectiveness, I swear by the stuff and never leave home without it.
    Thank you Dr. Group for your very extensive article on the types of silver, and their properties. I feel even more educated now…
    Love and Light.

  • rockinlj

    Layla: It will NOT harm good bacteria! It only attacks “bad” bacteria.

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