From the author of NootropicsExpert.com and his YouTube channel, David Tomen offers a revolutionary reference and repair manual for your brain. Through studying the clinical research and experimenting with dozens of natural nootropic supplements, the author has successfully restored his own health. And now shares with you an all-natural method to take control of your own cognitive health. In Head First, 2nd Edition you'll get: - Detailed reviews of 102 of the most popular natural nootropic supplements used today; supported by hundreds and hundreds of peer-reviewed clinical studies from leading research institutions and universities from around the world - Learn which supplements to buy and which to avoid - Get clear and easy to understand instructions on how to use each supplement including dosage recommendations (often different than what's on the bottle) - Stay safe from possible side effects; avoid drug interactions - Know how each supplement works in your brain and why; neuroscience that anyone can understand and apply - A chapter on how your brain works and why these natural supplements work - 2 chapters on recommended nootropic stacks (supplement combinations) for treating; anxiety, ADHD, depression, anxiety, learning & memory, mental fatigue, OCD, PTSD, and more - Discover what functional and mainstream medicine has missed if you are dealing with memory problems, impaired thinking, mental fatigue, anxiety, or depression and how to deal with your issues naturally! Fans of David's work and contribution to the neurohacking community are also encouraging their doctors and psychiatrists to make Head First, 2nd Editon part of their reference library. When you take care of your "Head First", everything else naturally falls into place. You're full potential is within reach at last. Today is the day to go "Head First"! And get your happy back. For the last decade, author and world-traveler David Tomen has worked to deal with Adult ADD. And the brain fog, mental fatigue and memory loss that comes with hypothyroidism. Through studying the clinical data and experimenting with dozens of natural nootropic supplements, the author has successfully restored his own health. With cognition, memory and mood better than before. Through his writing and videos, the author is now empowering people around the world to take control of their own cognitive health. Fans of David's work and contribution to the neurohacking community are also encouraging their doctors and psychiatrists to make Head First part of their library. When you take care of your Head First, everything else falls into place. You're full potential is within reach at last. Today is the day to go Head First!