Severe thunderstorms can produce temperatures high enough to generate nitrogen dioxide which combines with water to form nitric acid. This is either rained or washed out of the atmosphere in very low ...

FZU - Institute of Physics of the Czech Academy of Sciences, 182 21 Prague, Czech Republic Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16 Prague 2, Czech Republic FZU - ...

If you're considering taking a supplement, consult a healthcare provider first. You can increase nitric oxide levels by taking supplements, eating nitrate-rich foods, exercising, and getting sunlight.