The Bulletproof Diet: Lose up to a Pound a Day, Reclaim Energy and Focus, Upgrade Your Life

NEW YORK TIMES BESTSELLER • “In the high-stakes world of peak performance in both the boardroom and locker room, The Bulletproof Dietdelivers.”—Dr. Jeff “Cornerman” Spencer, Tour de France performance coach and creator of the Champion’s Blueprint

In his mid-twenties, Dave Asprey was a successful Silicon Valley multimillionaire. He also weighed 300 pounds, despite the fact that he was doing what doctors recommended: eating 1,800 calories a day and working out 90 minutes a day, six times a we...