butter

This concoction is a brew made by smooshing fresh coffee in a blender with grass-fed, unsalted butter and oil. It was invented by Silicon Valley entrepreneur Dave Asprey, who created the recipe after feeling energized from drinking tea with yak butter (seriously) while meditating in Nepal. Is Bulletproof just a bunch of bull? Angela Dowden, an award-winning nutrition and health writer, isn't terribly impressed.
When it comes to cooking, olive oil takes the cake for nutrition, flavor, and healthy fats. So it makes sense that someone would find a reason to hate it; it's the anti-science way, after all! Internet rumors swirl about the low smoke point of olive oil and claims that reaching it is potentially toxic to your health. It isn't true, and here's why.