Do Herbal Teas Contain Caffeine?

Some herbal teas have long histories of use for common maladies, such as the use of mint to soothe the stomach. Rose hip tea, made from the seedpods of roses, has a tangy flavor and provides vitamin C. Herbal teas may be made with a single herb, such as chamomile, or with a blend of herbs. Some tea blends that aren't truly herbal teas may contain ingredients that have caffeine. If you are sensitive to caffeine, you may experience nervousness and insomnia.

真正的草药茶不含咖啡因。他们不含有抗氧化剂，清除自由基，虽然大部分是真实的茶做不包含尽可能多的健康的化合物。最高的抗氧化性能凉茶包括柠檬香脂，海绿和甜罗勒，据来自土耳其的伊斯坦布尔大学，谁报告了他们的发现发表在2006年9月的研究“国际食品科学与营养。”“中国医药”名单乌龙茶，茉莉，石榴，枸杞，苦瓜和普洱茶的2011年3月发行为高抗氧化剂含量也。虽然没有那么高的抗氧化活性的顶级药材测试，黑莓，款冬，香菜，菊，鼠尾草和百里香也有显著的抗氧化能力。需要进一步研究对草药茶的健康益处。

An 8-ounce serving of brewed coffee contains 80 milligrams to 135 milligrams of caffeine, and a 2-ounce. serving of espresso contains 100 milligrams, the University of Utah reports. An 8-ounce serving of black tea contains 40 to 60 milligrams of caffeine, and an 8-ounce serving of green tea contains 15 milligrams. Read the label before buying a tea blend. Less common forms of tea, such as white tea and red tea, contain caffeine. Making your own herbal teas or blends from bulk herbs available at natural food stores allows you to customize a caffeine-free or low-caffeine beverage to suit your tastes.

Read product labels carefully. The name of a tea isn't enough to go by when you need to know caffeine content. For example, jasmine tea traditionally contains real tea in addition to jasmine. Tea called mate, made from certain types of holly, contain caffeine. Consult your doctor before consuming herbal teas or supplements. Some herbs can affect medications or have side effects.