Which modification is indicated by the abbreviation "BP"?

The abbreviation "BP" stands for "Bulletproof," which refers to a specific style of coffee preparation that involves blending brewed coffee with fats such as grass-fed butter and medium-chain triglyceride (MCT) oil. This beverage has gained popularity among those following ketogenic or low-carb diets because it offers sustained energy without a crash, and it is believed to provide cognitive benefits.

Bulletproof coffee is often consumed as a breakfast substitute and is favored by many for its rich flavor profile and health benefits. The other options listed do not have widely recognized meanings associated with the abbreviation "BP" in the context of beverages, making "Bulletproof" the clear and recognized choice.