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- Title
High Concentrated Beetroot Juice Supplement Improves Cycling Power, VO<sub>2</sub>, Time to Exhaustion, Heart Rate and Anaerobic Threshold in Trained Cyclists.
- Authors
Palevo, Gregory; Williams, Nicholas; Harp, Alec; Barring, Elliott; Mize, Lawrence B.
- Abstract
The purpose of the study was to determine the effects of a single dose of a high concentrate dietary nitric oxide (NO3 -) on cycling power, VO2, time to exhaustion, heart rate, and anaerobic threshold in trained cyclists. Twenty-one male and female cyclists (16 males and 5 females) participated in a double-blind, randomized study in which the subjects consumed either a single-dose (5 ounces) of a low dose organic beetroot juice (placebo) or a highly concentrated beetroot endurance superfood 2 hrs before performing a volitional maximal cycling test on a stationary trainer. The subjects performed a baseline cycling test to volitional fatigue following a ramped protocol. Compared to the placebo group, the intervention group increased power in watts 5.97%; VO2 peak 3.57%; time to exhaustion 3.23%; heart rate threshold at 210 watts 3.77%; and anaerobic threshold 6.63%. The outcomes from this study are clear. A single-dose of a highly concentrated nitric oxide dietary supplement 2 hrs before intensive cycling improved peak power (watts), increased time to exhaustion, increased VO2 peak, higher anaerobic threshold, and a reduced heart rate at sub-anaerobic threshold.
- Publication
Journal of Professional Exercise Physiology, 2019, Vol 16, Issue 3, p39
- ISSN
1550-963X
- Publication type
Academic Journal