What is Bulletproof Coffee? Bulletproof coffee is created by a Silicon Valley entrepreneur Dave Asprey who went to Tibet where he found and benefited from yak buttered tea in 2000s. As he was hiking in Tibet, Asprey didn’t feel that energetic until a local person passed him a cup of yak buttered tea. The energy … Continue reading Does Bulletproof Coffee Break or Boost Intermittent Fasting?