6 Things You Must Know About Colloidal Silver


Colloidal silver has been used for centuries to promote good health and studies continue to also show that colloidal silver outperforms many mainstream methods used against harmful organisms. [1] With so many cases of antibiotic resistance, it’s no wonder why colloidal silver has become extremely popular in recent years. Consumers should know, however, that not all silver products are created equal. Here are 6 things you must know about colloidal silver to protect yourself and ensure the best results:

1. Parts Per Million (PPM) is Mildly Important
When it comes to colloidal silver, don’t get caught up in how many parts per million — or PPM — a solution has. Although it’s not a mundane detail, what’s really important is the particle size. Smaller particles can move more easily throughout your body and they’re more bioavailable. Particle sizes less than .005 microns are ideal. Sometimes this is indicated on the label, sometimes not. One way to tell if silver particles are too large is by examining the color of the solution. A dark or murky-color usually indicates large silver particles and other impurities.

2. Colloidal Silver Should Be Clear
A quality colloidal solution should appear clear. Other colors indicate additional chemical additives. Darker-colored solutions occur as a result of the presence of stabilizers, additives, salts, or proteins. These compounds are often used in many silver products to suspend larger silver particles. Products which need refrigeration or require shaking or those that develop a foam likely contain additional chemical impurities.

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3. Silver Won’t Upset Beneficial Intestinal Organisms
A lot of people use silver as defense against harmful organisms. Unlike antibiotics which wipeout both the “bad” and the “good” organisms present in the intestinal tract, silver maintains a balance of intestinal microorganisms. Silver absorbs quickly in the upper GI tract, and little gets through to cause problems for the beneficial bacteria in the small intestine and colon.

4. Good Colloidal Silver Won’t Turn You Blue
Occasionally you may hear of an individual who develops argyria, a condition that develops when silver proteins cause a blueing of the skin. (Do a Google search for Paul Karason.) While this may happen when people use ultra low quality silver solutions, pure hydrosol colloidal silver without additives, proteins, or salts does not cause this condition. [2] This is why it’s imperative to obtain the purest solution available.
5. Purity Matters
Colloidal silver isn’t just a mixture of silver and water; it’s a solution where the silver particles are suspended in water and have an electrical charge. This type of solution requires ultra pure water. It also requires special equipment necessary to create and maintain a constant charge.

Many colloidal silver home brew kits use salts or other compounds during the brewing process to suspend the silver in the solution. Products like this do not offer the same effect as colloidal silver produced with high voltage technology. The chances of argyria also increase with the consumption of these products.

6. Only Use the Best Colloidal Silver
Not all colloidal silver products are created alike. First and foremost, choose a product that’s been produced using high voltage alternating current technology. This production method requires specialized equipment and produces a silver solution of unparalleled quality and purity compared to low-tech low voltage methods. Don’t be fooled by “concentrated” solutions of more than 30 PPM. In fact, a PPM of higher than 30 indicates the presence of a stabilizer or other protein that the silver is bound to as a means of suspension. That stuff turns you blue, it doesn’t provide any benefits.

Before you invest in a colloidal silver, do your research into any products you’re considering and make sure all these factors add up.

-Dr. Edward F. Group III, DC, ND, DACBN, DCBCN, DABFM


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Morrill K, May K, Leek D, et al. Spectrum of antimicrobial activity associated with ionic colloidal silver. J ALtern Complement Med. 2013 Mar;19(3):224-31. doi: 10.1089/acm.2011.0681.
Chang AL, Khosravi V, Egbert B. A case of argyria after colloidal silver ingestion. J Cutan Pathol. 2006 Dec;33(12):809-11.





  1. Steve Barwick sells a micro particle colloidal silver generator (I own one) which seems to satisfy all the requirements in this article, except you’re generating the cs in distilled water via low voltage. It appears that the silver remains in Brownian motion for a reasonably long time.

  2. I do my own colloidal silver with a high power generator sometimes as high as 5,000 ppm for many years…never had problem with that…the secret is that the silver rod never touch the distilled water..in fact it’s only the electrical arc..a beautiful violet color….final result with pure clear colloidal silver……Knowledge is power…People dies from lack of power

  3. Point 3 is not correct. Silver sol will kill any single celled organism, good or bad, it is just a matter of how much you take. When I was developing my own equipment and calibrating it by sending my samples off to a lab to be measured for ppm by argon spectrometer, after bottling 20 cl sample bottles around almost exactly 5 ppm I would have litres left over, from using a 2 litre glass beaker full each run, and would drink a two litre beaker a day during my experiments, believing the often repeated statement that silver sol will not kill good bacteria, and sterilized my gut, not good at all, and came down very badly with candida afterwards, which was the first thing to spring back up in place of healthy gut flora.

    Even just using it as a gargle regularly, you will sterilize all your healthy throat bacteria, just like antibiotics, and then… candida will grow in your throat itching like hell, just like antibiotics result in. You have to use colloidal silver (sol) extremely sparingly to avoid that. It is best for external applications, and I actually prefer bee propolis as a much safer medicine for the throat and general health, that producing 82% increased resistance to flu and colds at 500 mg a day, vastly superior to toxic flu ‘vaccines’, which often cause flu themselves and Alzheimer’s.

    Intravenous use of silver sol for cancer has proven beneficial according to Sovereign Silver sol company who claim a 98% die off of leukaemia cells in vivo within 24 hours using their sol.


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