The Oxygen Advantage: The Simple, Scientifically Proven Breathing Techniques for a Healthier, Slimmer, Faster, and Fitter You

by Patrick McKeown

essential nitric oxide–producing, heart-protecting food sources to include in your diet include fish, green vegetables, dark chocolate, red wine (a glass per day—not the bottle!), pomegranate juice, green or black tea, and oatmeal.