Why Unsalted Butter?

edited November 2014 in The Bulletproof Diet
Does anyone know what the benefit of cultured butter is?

Dave says: I recommend grass fed butter. In North America the most convenient source is Irish butter called Kerrygold. Use the unsalted version because it is cultured. The salted ver- sion is not cultured. Cultured grass fed butter has the highest levels of butyrate in it, and

it contains CLA.

This is from the first bulletproof cookbook (Upgraded Chef) that was sent to me because I pre-ordered the new cookbook.

Thank you


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