Get a FREE Bulletproof Coffee Sample Pack. Bulletproof Coffee, aka butter coffee or keto coffee, is an energizing beverage made with quality fats. It’s an incredible tool for mind-body fuel! When you drink Bulletproof Coffee instead of eating a carbohydrate-heavy breakfast, you’ll feel satiated and energized for hours. In order to get this freebie, you need to click on the “Get FREE” button, log in or register to Send Me a Sample. Then say to your voice assistant, “Ask Send Me a Sample for Bulletproof Coffee”, and receive a complimentary sample in the mail. Only available in the USA.