topicBeetroot Nitrate Sprint Performance Randomized Trial
claimPeripheral factors include phosphocreatine depletion, the accumulation of metabolic by-products, impaired calcium handling, and changes in muscle excitation–contraction coupling, whereas central factors may involve reduced motor drive and impaired muscle activation [,].
evidence level1
citationEroglu Melike Nur (2026)
sourceThe Effects of Beetroot Juice Supplementation on Performance and Fatigue During Single and Repeated Sprints: A Systematic Review and Meta-Analysis
topicBeetroot Nitrate Sprint Performance Randomized Trial
claimIn addition, experimental evidence has demonstrated a progressive decline in glycolytic energy contribution across repeated maximal sprint bouts, highlighting the importance of metabolic regulation during high-intensity intermittent exercise [].
evidence level1
citationEroglu Melike Nur (2026)
sourceThe Effects of Beetroot Juice Supplementation on Performance and Fatigue During Single and Repeated Sprints: A Systematic Review and Meta-Analysis
topicBeetroot Nitrate Sprint Performance Randomized Trial
claimFollowing ingestion, dietary NOis reduced to nitrite (NO) by oral commensal bacteria and can subsequently be converted to nitric oxide (NO), particularly under conditions of low oxygen availability and reduced pH.
evidence level1
citationEroglu Melike Nur (2026)
sourceThe Effects of Beetroot Juice Supplementation on Performance and Fatigue During Single and Repeated Sprints: A Systematic Review and Meta-Analysis
topicBeetroot Nitrate Sprint Performance Randomized Trial
claim1 2 3 1 4 Team sports such as soccer, rugby, basketball and field hockey are characterized by intermittent activity patterns that require athletes to perform frequent maximal or near-maximal sprint efforts interspersed with brief recovery periods [,].
evidence level1
citationEroglu Melike Nur (2026)
sourceThe Effects of Beetroot Juice Supplementation on Performance and Fatigue During Single and Repeated Sprints: A Systematic Review and Meta-Analysis
topicBeetroot Nitrate Sprint Performance Randomized Trial
claimThe ingested NOis reduced to nitrite (NO) and subsequently forming nitric oxide (NO), which affects a variety of physiological mechanisms [].
evidence level4
citationHe Yadan (2026)
sourceDietary nitrate supplementation reduces performance decline during repeated sprint exercise independent of sex
topicBeetroot Nitrate Sprint Performance Randomized Trial
claimAs a potent vasodilator, NO can lead to increased blood vessel diameters, thereby enhancing blood flow to the downstream tissues [].
evidence level4
citationHe Yadan (2026)
sourceDietary nitrate supplementation reduces performance decline during repeated sprint exercise independent of sex
topicBeetroot Nitrate Sprint Performance Randomized Trial
claimDuring recovery between two consecutive sprints, the ability to rapidly restore phosphocreatine stores and clear metabolic by-products is influenced by muscle perfusion, a process that dietary NOmay enhance through increased NO availability.
evidence level4
citationHe Yadan (2026)
sourceDietary nitrate supplementation reduces performance decline during repeated sprint exercise independent of sex
topicBeetroot Nitrate Sprint Performance Randomized Trial
claim3 3 2 − − − 2+ 1 2 3 4 Beetroot juice (BJ) has become a widely used ergogenic aid due to its high concentration of dietary inorganic nitrate (NO).
evidence level4
citationHe Yadan (2026)
sourceDietary nitrate supplementation reduces performance decline during repeated sprint exercise independent of sex