Colloidal Silver has no side effects with any other products. Its only a metal and has no drug effects. The only people who have problems with Colloidal Silver [Rarer than rocking horse dung] are people sensitive to Silver. Why are you taking anti-biotics when you can use the more powerful Colloidal Silver ? People dont take Colloidal Silver correctly and take these tiny amounts which work but not greatly. As another person on her talks, colloidal silver should be taking in amounts of 200ml+ to be effective but more is even better. These little teaspoons well its a nice little prevention but not a cure. You certainly wont stop a dreaded Flu with on inzy winzy teaspoon 8-)