Fat. But not just any kind of fat, read here: https://www.bulletproofexec.com/the-complete-illustrated-one-page-bulletproof-diet/ https://www.bulletproofexec.c

Fat. But not just any kind of fat, read here: https://www.bulletproofexec.com/the-complete-illustrated-one-page-bulletproof-diet/ https://www.bulletproofexec.com/the-complete-illustrated-one... I tried it and had very interesting observations - nothing I have tried before gave me the same results.