The Effect of Beetroot Juice Supplementation Dose on Neuromuscular Performance During Resistance Exercise

Status unconfirmed · Not applicable · Has a placebo group

Conditions studied: High Nitrate Dose, Moderate Nitrate Dose, Low Nitrate Dose, Nitrate-depleted Dose

In brief

Dietary nitrate supplementation, administered in the form of nitrate-rich beetroot juice, has been shown to improve exercise performance and may have more pronounced effects on exercise that requires high-power and high-velocity muscle contraction such as weightlifting and body-mass resisted exercise (i.e, resistance exercise). However, limited data are available that have examined the potential performance enhancing effect of beetroot juice in resistance exercise. Moreover, there is no information on the dose of nitrate required for performance enhancing effects during resistance exercise which limits its widespread use to enhance performance. Therefore, the investigators will assess if supplementing the diet with nitrate-rich beetroot juice impacts resistance exercise performance (e.g., power, velocity), when compared to supplementing the diet with nitrate-depleted beetroot juice (i.e. placebo). The investigators will also investigate the dose-response effect of beetroot juice on resistance exercise performance by providing a low, moderate, and high nitrate dose of concentrated beetroot juice. The results of this study will improve understanding of whether beetroot juice influences resistance exercise performance and will provide insight on whether different doses of beetroot juice influence the efficacy of nitrate supplementation on resistance exercise performance. Together, these data will guide supplementation strategies for enhancing resistance exercise performance.

Key facts

Study ID

NCT05957835

Run by

Pepperdine University

People needed

18

Starts

2023-05-23

Expected to finish

2024-06-30

Last updated by the study team

2023-07-24

Who can join

Age: 18 and older, up to 45. Sex: male. Healthy volunteers: accepted.

You may qualify if…

• Recreationally active males who performed resistance exercise at least twice weekly for the last two years

You may not qualify if…

• individuals with contraindications to exercise, cardiometabolic disease, currently consuming dietary supplements containing caffeine, sodium bicarbonate, creatine, beta-alanine, and/or NO precursor supplements (i.e., NO3-, arginine, citrulline, antioxidants), females, and smokers

Where it is running

• Pepperdine University — Malibu, California, United States (enrolling)

Full record on ClinicalTrials.gov

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