It's nice you understand that those who advocate for the bulletproof coffee recommend that it should be done using grass-fed, unsalted butter, whipped into the coffee until it is latte-like. Recommended and used mostly for those following the Paleo diet
This coffee trend also has also gained popularity in the U.S. at large, particularly among athletes and CrossFitters. In fact, in a three-part series on nutrition in the NBA, CBS Sports even talks about how bulletproof coffee is the "pregame beverage of choice" for the Lakers. Although the term may have been missed, especially by the Third Wave coffee lovers in Boston, some peeps still love to take a sip of it once in a while.