Green Tea??!
Question: Does Green Tea Contain Caffeine?
Answers: Does Green Tea Contain Caffeine?
Green tea anti-aging
Green tea contains antioxidants help to resist aging. Because the human metabolic process, if peroxidation, can produce significant quantities of free radicals, easily aging, it will also cause cells were injured. SOD (superoxide dismutase) is a free radical scavenger, can effectively remove excess free radicals and prevent free radical damage to the human body. Catechins in green tea can significantly enhance the activity of SOD, scavenging free radicals.
http://www.yard9.com/2007/12/20/eight-fu...
Yes, but less than coffee and black tea.
You can get decaffeinated green tea, though most varieties do contain some caffeine.
For more information check out this website: http://www.greentea.com/nadinetaylor.asp... or read the book Green Tea by Nadine Taylor, a registered dietitian.