According to a research from the University of Exeter people can exercise up to 20% longer and boost their stamina during high-intensive exercise by using dietary supplements¹⁾ that boost nitric oxide in the body.

The nine healthy males used in the research had their performance measured under different levels of exercise intensity. While going through several different physical challenges on a cycling ergometer they received either a placebo drink or the genuine supplement that enhanced the production of nitric oxide in the body.

Professor Andrew Jones, from the University’s School of Sport and Health Sciences, said: “The research found that when the dietary supplement was used there was a striking increase in performance by altering the use of oxygen during exercise. This is important for endurance athletes as we would expect the supplement to bring a 1-2% improvement in race times. While this may seem small, this is a very meaningful improvement – particularly at elite levels where small gains can be the difference between winning and losing.”

¹⁾ The supplement used in the study was an Arginine-rich, nutritional dietary supplement, called Ark 1.