4 ms·Decaf?by tocomment 13y agoDecaf?lostlogin 13y agoDepending on the place you get it, the label decaf often doesn't mean much. http://www.ncbi.nlm.nih.gov/pubmed/17132260 http://www.ncbi.nlm.nih.gov/pubmed/17132260nasmorn 13y agoThat is still at least a rediction by an order of magnitude. For normal consumers thats good enough