##Afzalpour ME, Saghebjoo M, Zarban A, Jani M. Comparison of the effects of an acute resistance and aerobic exercise session on the antioxidant defense system and lipid peroxidation of healthy young men. Journal of Sport in Biomotor Sciences 2013; 6(2), 39-50. ##Ayala A, Mufioz M, Argiielles S. Lipid peroxidation: production, metabolism, and signaling mechanisms of malondialdehyde and 4-hydroxy-2-nonenal. Oxidative Medicine and Cellular Longevity 2014; 2014(6), 360438. ##Bailey Sj, Fulford j, Vanhatalo A, et al. Dietary nitrate supplementation enhances muscle contractile efficiency during Knee extensor exercisr in humans. J Appl Physiol 2010; 109,135-148. ## Bailey SJ, Winyard P, Vanhatalo A, Blackwell JR, DiMenna FJ, Wilkerson DP, et al. Dietary nitrate supplementation reduces the O2 cost of low-intensity exercise and enhances tolerance to high-intensity exercise in humans. J Appl Physiol 2019; 107(4), 1144-1155.##Balsalobre-Fernández, C., Romero-Moraleda, B., Cupeiro, R., Peinado, A. B., Butragueño, J., & Benito, P. J. (2018). The effects of beetroot juice supplementation on exercise economy, rating of perceived exertion and running mechanics in elite distance runners: A double-blinded, randomized study. PloS One 2018; 13(7), e0200517. ##Bescós, R., Rodríguez, F. A., Iglesias, X., Ferrer, M. D., Iborra, E., & Pons, A. Acute administration of inorganic nitrate reduces VO2peak in endurance athletes. Med Sci Sports Exerc 2011; 43(10), 1979-86. ##Bondonno CP, Downey LA, Croft KD, Scholey A, Stough C, Yang X, et al. The acute effect of flavonoid-rich apples and nitrate-rich spinach on cognitive performance and mood in healthy men and women. Food Funct 2014; 5(5), 849-58. ## Boorsma, R. K., Whitfield, J., & Spriet, L. L. Beetroot juice supplementation does not improve performance of elite 1500-m runners. Med Sci Sports Exerc 2014; 46(12), 2326-2334. ##El Gamal AA, AlSaid MS, Raish M, Al-Sohaibani M, Al-Massarani SM, Ahmad A, et al. Beetroot (Beta vulgaris L.) extract ameliorates gentamicin-induced nephrotoxicity associated oxidative stress, inflammation, and apoptosis in rodent model. Mediators Inflamm 2014:983952. ##Fridovich I. Superoxide radical and superoxide dismutases. Annu Rev Biochem 1995; 64(1), 97-112. ##Glaister, M., Pattison, J. R., Muniz-Pumares, D., Patterson, S. D., & Foley, P. Effects of dietary nitrate, caffeine, and their combination on 20-km cycling time trial performance. The Journal of Strength & Conditioning Research 2015; 29(1), 165-174##Gungor E, Cerrah A, Yilmaz I, H T, F G, K.H.C B. effect of coffe consumption on anaerobic performance. Swd J Scien Res 2015; 2(12), 14-1. ##Handzlik M, Gleeson M. likely additive ergogenic effects of combined preexercise dietary nitrate and caffeine ingestion in trained cyclists. Hindawi Publishing Corporation, ISRN Nutrition 2013; (39), 65-81. ##Hoon M, Jones A, Johnson N, Blackwell J, Broad E, Lundy B, et al. the effect of variable doses of inorganic nitrate-rich beetroot juice on simulated 2000-m rowing performance in trained athletes. Int J Sport Physio Perfor 2014; (9), 615-620. ##Janero DR. Malondialdehyde and thiobarbituric acid-reactivity as diagnostic indices of lipid peroxidation and peroxidative tissue injury. Free Radic Biol Med 1990; 9(6), 515-540. ##Kimberly Mueller, Hingst Josh. The athletes guide to sports supplements. Human Kinetics 95-97. ##Krishnamurthy P, Wadhwani A. Antioxidant enzymes and human health. Antioxidant Enzyme 2012; 3-18. ##Kujawska M, Ignatowicz E, Murias M, Ewertowska M, Mikolajczyk K, Jodynis-Liebert J. Protective effect of red beetroot against carbon tetrachloride- and N-nitrosodiethylamine-induced oxidative stress in rats. J Agric Food Chem 2009; 57(6), 2570-5. ##Valaei, K., Mehrabani, J., & Wong, A. (). Effects of l-citrulline supplementation on nitric oxide and antioxidant markers after high-intensity interval exercise in young men: A randomised controlled trial. British Journal of Nutrition 2021; 1-10. ##Lane S, Hawley J, desbrow B, Jones A, Blackwell J, et al. Single and combiced effects of beetroot juice and caffeine supplementation on cycling time trial performance. Physiol Nutr Metab 2014; (39), 1050-1057. ##Lansley KE, Winyard PG, Bailey SJ, Vanhatalo A, Wilkerson DP, Blackwell JR, Jones AM. Acute dietary nitrate supplementation improves cycling time trial performance. Med Sci Sports Exerc 2011; 43(6), 11-25. ##Larsen FJ, Weitzberg E, Lundberg JO, Ekblom B: Dietary nitrate reduces maximal oxygen consumption while maintaining work performance in maximal exercise. Free Radic Bio Med 2010; 48, 342-347. ##Lu X, Wang Y, Zhang Z. Radioprotective activity of betalains from red beet in mice exposed to gamma irradiation. Euro J Pharma 2019; 65, 223-227. ##Mahdavi R, Daneghian S, Homayouni A, Jafari A. Effects of caffeine supplementation on oxidative stress, exercise induced muscle damage and leukocytosis. Pharmaceutical Sciences 2012; 18(3), 177-182. ##Martínez-Sánchez A, Ramos-Campo DJ, Fernández-Lobato B, Rubio-Arias JA, Alacid F, Aguayo E. Biochemical, physiological, and performance response of a functional Beet juice enriched in L-citrulline during a half-marathon race. Food Nutr Res 2017; 61(1), 1330098. ##McMahon N, Pavey T. the effect of dietary nitrate supplementation on endurance exercise performance in healthy adults. Sport Med 2017; 47(4), 735-756. ##Murphy M, Eliot K, Heuertz RM, Weiss E. Whole beetroot consumption acutely improves running performance. J Acad Nutr Diet. 2012; 112(4), 548-552. ##Nakhostin Rouhi, B. Exercise-induced oxidative stress. Is antioxidants supplementation useful? Journal of Applied Exercise Physiology 2017; 12(24), 129-140. ##Noori S. An overview of oxidative stress and antioxidant defensive system. Sci Rep. 2012;1(8):1-9. ##Pinna M, Roberto s, Milia R, Marongiu E, Olla S, Loi A, et al. Effect of beetroot juice supplementation on aerobic response during swimming. Nutrients 2014; 6, 605-615. ##Rokkedal-Lausch, T., Franch, J., Poulsen, M. K., Thomsen, L. P., Weitzberg, E., Kamavuako, E. N., & Larsen, R. G. Chronic high-dose beetroot juice supplementation improves time trial performance of well-trained cyclists in normoxia and hypoxia. Nitric Oxide 2019; 85, 44-52. ##Stecker R, Harty P, Jagim A, Candow D, Kerksick CH. Timing of ergogenic aids and micronutrients on muscle and exercise performane. J Int Society of Sports Nutrition 2019; 16, 37. ##Tarazona-Díaz MP, Alacid F, Carrasco M, Martínez I, Aguayo E. Beet juice: potential functional drink for sore muscle relief in athletes. J Agric Food Chem 2013; 61(31), 7522-8. ##Thompson K, Turner L, Prichard J, Dodd F, Kennedy D, Haskell C, et al. Influence of dietary nitrate supplementation on physiological and cognitive responses to incremental cycle exercise. Respiratory Physiology & Neurobiology 2014; 193, 11-20. ##Vernon, B., Bryan, H., Curry, R., George Adams, M. (2014). Effects of nitrate supplementation on cardiovascular and autonomic reactivity in african-american females. International Scholarly Research Notices 2014; 23, 676235. ##Wootton-Beard P, Ryan L. A beetroot juice shot is a significant and convenient source of bioaccessible antioxidants. J Functional Foods 2011; (3), 329-334. ##Wylie L, Bailey S, Kelly J, Blackwell J, Vanhatalo A, Jones A. Influence of beetroot juice supplementation on intermittent exercise performance. Eur J Appl Pysiol 2016; 116, 415-425. ##