Longevity one sip at a time. You've read the articles, seen the research, heard friends talk. It's all true! Green tea may be the single best thing you can do for your health and we think the most enjoyable. Green tea production is a three step process, freshly plucked leaves are steamed, rolled and fired. They are not allowed to wither and oxidize like leaves intended for black tea and retain a higher level of antioxidants.