Coffee… upgraded?

Coffee… upgraded?

Is “Bulletproof Coffee” all it’s cracked up to be? By Brian St. Pierre Source Article: http://www.precisionnutrition.com/cmd.php?af=1588599&u=http://www.precisionnutrition.com/bulletproof-coffee  Bulletproof Coffee introduced the world to “coffee hacking” and the novelty of butter in one’s morning brew. As a result, it’s become something of an internet sensation. People are talking about it….