He develops and markets The Bulletproof diet which recommends eating foods high in fat, moderate in protein, plus low in carbohydrates; the foundation is “Bulletproof Coffee”, made with grass-fed unsalted butter and either coconut oil or medium-chain triglycerides (MCTs) (Asprey sells both mixed MCT and pure caprylic acid MCT oils).
Dave developed his Bulletproof Coffee recipe following traveling to Tibet and tasting yak-butter tea drinks. He came back to the United States and experimented with buttered drink recipes and published the preparation for his buttered coffee drink on his blog in 2009. The Bulletproof diet also advocates incorporating intermittent fasting.
He has also claimed that when used in combination with other “health hacks”, the coffee helped to boost his IQ score by over 20 points.Dave’s company claims that Bulletproof Coffee can aid cognition and trigger weight loss via ketosis.
