When I buy coffee, I look for the single source bean type instead of the coffees that blend beans. Information on how to select your coffee is available on the "Bulletproof Coffee" website. http://www.bulletproofexec.com/how-to-make-your-coffee-bulletproof-and-your-morning-too/ I haven't bought his brand but I still do look for single source coffee beans for less bacterial matter on the coffee bean.
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