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.

College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, P. R. China School of Marine Science and Fisheries, Jiangsu Ocean University, Lianyungang 222005, P. R. China ...

"Subterranean drainage pipes called tiles transport nitrogen, in the form of nitrate, from fields to streams, impairing downstream surface waters," the scientists wrote. Nitrate runoff from farms ...