How Powerful Is Dietary Nitrate? In Small Trials of Healthy Men, Beetroot Juice Lowered the Oxygen Cost of Exercise and Extended Time to Exhaustion, With No Effect at the Lowest Dose
Oct 25
3 min read
Beetroot juice became one of the few supplements with a clear physiological story: dietary nitrate is converted to nitrite and nitric oxide, which can make muscle use oxygen more economically. If exercise costs less oxygen, the same effort should be sustainable for longer. How big is the effect, and how much nitrate does it take?
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