Close-up of butter and coffee in a mug - karins/Shutterstock Nowadays, the term "bulletproof coffee" has outgrown its origin, no longer referring to the specific brand but to the three-part coffee ...

Over ten years ago, Bulletproof popularized mixing coffee with butter as a form of biohacking. Now the company is moving in a new direction, and hopping on a more recent trend: Cold coffee at home.

Bulletproof coffee has gained popularity as a high-energy drink, especially among those following keto and low-carb diets.

The next chapter for Bulletproof™ brings purpose, flavor, and function into every cup and beyond. Founded in 2011, Bulletproof™ quickly earned a cult following among keto enthusiasts, intermittent ...