Dietary Nitrate Supplementation and Crossfit Athletes
Completed · Not applicable · Has a placebo group
Conditions studied: Performance
In brief
In the past, dietary nitrate supplementation has been shown to have clinical benefits in the treatment of cardiovascular issues. More recently, however, the focus of nitrate supplementation has shifted to focus of human performance, and has shown to increase the time to exhaustion during maximal intensity exercise and lower the cost of oxygen consumption during submaximal intensity exercise. Acutely, nitrate supplementation in the form of beetroot juice has been shown to increase strength measurements, as well as increase the time to complete a 2000 meter rowing ergometer test. However, to the author's knowledge, there are no studies that link the relationship between multi-day nitrate supplementation and the rowing test or the nitrate's effect on strength when in the salt form. Additionally, to the author's knowledge, no evidence has been published which relates dietary nitrate supplementation and its effects on a CrossFit circuit workout. Our central hypothesis is that six days of dietary nitrate supplementation will improve strength, endurance, a power more than a placebo in male CrossFit athletes.
Key facts
- Study ID
- NCT02162927
- Run by
- Florida State University
- People needed
- 12
- Starts
- 2014-08-01
- Expected to finish
- 2014-11-01
- Last updated by the study team
- 2015-03-04
Who can join
Age: 20 and older, up to 35. Sex: male. Healthy volunteers: accepted.
You may qualify if…
- College-aged male CrossFit between the ages of 20 and 35 years (yr), a peak maximum oxygen uptake (VO2peak) of at least 50 ml/kg/min will be recruited to participate in this study.
You may not qualify if…
- Having any thyroid and/or kidney diseases that could affect NO synthesis and/or metabolism, any illness, smoking, taking other medications, injured, not well-trained (as noted by the VO2peak), consuming any other supplements at the time of the study except protein or multivitamin, allergic to any component of the supplement, including tree nuts, in case of potential packaging mixing and contamination. Women and children as well are excluded.
Where it is running
- CrossFit Blackbox — Tallahassee, Florida, United States
- Florida State University — Tallahassee, Florida, United States
Full record on ClinicalTrials.gov
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