Echinacea and fresh garlic would provide immune system support and antiviral activity. Fruit and vegetables should be emphasized in the diet, and sugar should be avoided, as it depletes the immune system.
Mix a generous amount of salt with vaseline, cover each wart with the mixture.
Then cover each wart loosely with a bandaide so as not to hold pressure against the wart. Repeat as needed. The warts will fall off and will not grow back.
If you have irritated the warts, wait until they return to normal before you apply this.