An overgrowth of Proteobacteria or gram-negative anaerobes may warrant cautioning individuals against consuming liquid fats like bulletproof coffee or large amounts of olive oil.

“if you were to do a GI map on someone or a GI effects some of these gut tests that we do as functional medicine doctors and you saw an overgrowth of proteobacteria or you know gram-negative anaerobes would you caution that people against liquid fat or would you at least historically look to say hey do you how do you like you do you drink bulletproof coffee do you do you use olive oil by the glassful do you have lots of tallow and liquid saturated fat yeah”