Wild harvested, roasted leaves from Yaupon Holly (Ilex Vomitoria). Historically used widely throughout the south, having an export higher than tobacco or cotton at one time. Its use was very widespread because Yaupon tea is a natural source of caffeine, theobromine, and several polyphenols like chlorogenic acids, which may help protect against conditions like diabetes. Having a lighter, nuttier taste than coffee it is often an easy addition to tea mixtures. But coffee lovers might take longer to get used to the switch as the taste is much gentler. Yaupon Holly has many other medicinal qualities that have been documented other than just its Caffeine and Theobromine contents like: Improved energy levels Better Brain Functioning Anti-inflammatory The caffeine content of Yaupon Holly is .75% caffeine weight and coffee is about 1.1%. Both containing Caffeine, long term use of EITHER at at least 4 cups of coffee and 6 cups of Yaupon tea daily will result in: Anxiety Insomnia Digestive Problems Sleep Problems Increased Acidity Increased blood pressure