The only personal claim I will make is that it works for me, and I feel the need to help others find it also.
I will say that, from the first comments, research it thoroughly, YOURSELF.
This is an Instructable on how to make a colloidal silver generator that can slip into your pocket and make your own colloidal silver on the run. Plus it is inexpensive, and gives a good product that is inexpensive.
I will suggest that anyone interested in using colloidal silver to research the topic thoroughly, consult a physician, and read all the good and bad things before you make up your own mind.
I have entered a couple of links here - they are not the end authorities on the subject. Their credabilities may be flawed, for some - but it is a start.
Use at your own risk and good health to you if you chosse it, or not.
http://www.youtube.com/watch?v=ahihGKZC5Kk (Blueman - there do not seem to be many.)
http://www.youtube.com/watch?v=MkCHrV6cCfw ( Part 1 of 13 - try to watch all if you can.)