There are many different brand names of supplements containing “silver” selling from the website of iHerb, including “Silver Hydrosol”, “Colloidal Silver”, and “Sovereign Silver”, and their price are about HK$150 for around 100 to 200 ml.
The general purpose of Siliver Hydrosal is small particles of sliver in size and it has ionic, it is easier to product than nanoparticles size. The size of the silver particles in colloidal silver is very tiny that they are referred to as “nanoparticles.” Which may be less than 100 nm in size and invisible to the naked eye. Sovereign Silver’s Bio-Active Silver Hydrosol™ is known as being the ultimate refinement of colloidal silver products and is called silver hydrosol because of its unprecedented particle size as small as 0.8 nanometers and unmatched bio-activity at >98% positively charged silver. This distinguishes it as a Bio-Active Silver Hydrosol compared to other forms of colloidal silver.
Someone claims that it can treat minor diseases and promote the body’s own defense, some even refers it to children. In fact, “silver” is an ancient antiseptic for external use, but it should not be effective against influenza caused by viruses. Moreover, taking “silver” substances will accumulate in the body and affect kidney function and skin discoloration in the long run, so it is recommended not to drink it. In particular, the influence of nano-sized silver inside the body is still under investigation. It is only recommend to use Silver on external application and disinfection of objects.
In addition, if you want to detect the amount of bacteria in the environment before using Silver, you can refer to the following youtube video to introduce the operation of a bacteria home detector.