No, both green teas and decaffeinated teas contain caffeine. During the course of the program we are eliminating caffeine altogether, even the smaller amounts that occurs in green teas and decaffeinated teas. Decaffeinated teas are decaffeinated using chemicals that are harmful to your health as well.
There are several herbal teas that you can purchase from the store that do not contain caffeine. Organic India, Celestial Seasonings, Bigelow Tea, Twinings, Numi Organic Tea, Tazo, Two Leaves Tea, Traditional Medicinal, Yogi; are all good brands of herbal teas you can find from the grocery store. Try to find organic herbal teas if possible.