"Once again you are confused by the Mumbo Jumbo BS & Hype used by CS marketing reps to drive us all crazy. You are confusing marketing hype with research. The term " Colloidal Silver " includes both ionic silver and particulate silver. There is no such thing as "True Colloidal Silver ," just another marketing hype term used to confuse the consumer."
No, this is why I said "preponderately colloidal silver" allowing that ionic is also in the mix. The reason I (and marketers) use the words "true colloidal silver" is since ionic silver is so often mistakenly referred to as colloidal silver in common usage.
Here's one of many articles about the inferiority of protein based colloidal silver vs usual water suspended colloidal silver.