topicNitrate Supplement Resistance Exercise Randomized Trial
claimThis systematic review and meta-analysis investigated the influence of dietary nitrate supplementation on resistance exercise performance according to the PRISMA guidelines.
evidence level1
citationTan R (2023)
sourceEffects of Dietary Nitrate Supplementation on Back Squat and Bench Press Performance: A Systematic Review and Meta-Analysis.
topicNitrate Supplement Resistance Exercise Randomized Trial
claimSearches were conducted on MEDLINE, PubMed, ScienceDirect, Scopus and SPORTDiscus databases up to April 2023.
evidence level1
citationTan R (2023)
sourceEffects of Dietary Nitrate Supplementation on Back Squat and Bench Press Performance: A Systematic Review and Meta-Analysis.
topicNitrate Supplement Resistance Exercise Randomized Trial
claimResults: RSP resulted in significantly higher blood levels of total NO 3 /NO 2 ( p p = 0.935) but increased mean velocity ( p = 0.035) compared to PL.
evidence level4
citationNguyen HM (2025)
sourceEffects of Acute Red Spinach Powder (VitaSpinach<sup>®</sup>) Ingestion on Muscular Endurance and Resistance Exercise Performance.
topicNitrate Supplement Resistance Exercise Randomized Trial
claimBoth lRPE ( p = 0.027) and gRPE ( p = 0.028) were significantly reduced with RSP supplementation.
evidence level4
citationNguyen HM (2025)
sourceEffects of Acute Red Spinach Powder (VitaSpinach<sup>®</sup>) Ingestion on Muscular Endurance and Resistance Exercise Performance.
topicNitrate Supplement Resistance Exercise Randomized Trial
claimConclusions: Findings suggest acute RSP ingestion increased NO 3 /NO 2 and bench press velocity.
evidence level4
citationNguyen HM (2025)
sourceEffects of Acute Red Spinach Powder (VitaSpinach<sup>®</sup>) Ingestion on Muscular Endurance and Resistance Exercise Performance.
topicNitrate Supplement Resistance Exercise Randomized Trial
claimIntroduction: Red spinach powder (RSP) contains high amounts of inorganic nitrate/nitrite (NO 3 /NO 2 ), which has been suggested to alter vascular activity, cognitive processing, and sprint exercise performance.
evidence level4
citationNguyen HM (2025)
sourceEffects of Acute Red Spinach Powder (VitaSpinach<sup>®</sup>) Ingestion on Muscular Endurance and Resistance Exercise Performance.