Pesach Questions

Rabbi Eidlitz' guide says something the following about tea: "Regular teabags that are unflavored and not decaffeinated and have no fillers such as chicory may be used for Pesach without special certification." So if the only ingredient in a tea bag is "chamomile flowers" or "green tea leaves" that seems fine, but what about teas that have more ingredients? 

I believe that Rabbi Eidlitz is referring to teabags whose only ingredient is tea. These (if not decaffeinated and unflavored) need no special Hashgacha for Peach. Herbal teas on the other hand, should have hashgacha for Pesach. 

RYK