jade leaf organic ceremonial grade matcha green tea powder - authentic japanese origin - barista edition for cafe quality tea & lattes (3.53 ounce) jade leaf matcha frequently asked questions what grade of matcha is this, and how do i use it? this is our barista edition matcha - specially crafted for exceptional lattes and iced matcha drinks. does it contain caffeine? yes, each half-teaspoon (1g) serving contains roughly 34mg of caffeine, about 1/3 a cup of coffee. however, matcha also contains l-theanine, which has a calming and leveling affect, so it doesn't make you feel jittery or wired like coffee does. what are other health benefits? - boosts metabolism and helps burns calories <br> - calms and relaxes you from stress or anxiety <br> - rich in antioxidants (137x the amount in conventional green tea!) what if i don't like it? if you are not 100% satisfied with your purchase for any reason, just email us and we'll refund your order in full, no questions asked.