نقش مکمل‌های تغذیه‌ای منتخب (نیترات / آب چغندر، کافئین، کراتین و بتا-آلانین) در بهبود عملکرد فیزیولوژیکی و ورزشی بازیکنان فوتبال: یک مطالعه سنتزپژوهی

##Alamdari, A., Khouineroud, B., & Fakhrpour, F. (2024). Effects of plyometric training and beetroot extract supplementation on anaerobic power and blood nitric oxide, lactate, and pH following intense anaerobic activity in soccer players. Research in Exercise Nutrition, 2(1), 53–66. https://doi.org/10.22034/ren.2024.140560.1052 ##Hemmatinafar, M., Mosallanezhad, Z., Abdollahei, M. H., Yazdani, H., Samsami Pour, A., Kooroshfard, N., et al. (2021). Beetroot juice supplementation improves fatigue, aerobic and anaerobic performance, and nitrite concentration in college soccer players. Razi Journal of Medical Sciences, 28(2), 81–92. ##Birinci, Y. Z., Pancar, S., & Soylu, Y. (2025). Comparison of the acute effects of carbohydrate mouth rinse and coach encouragement on kinematic profiles during small-sided games in young male soccer players. Nutrients, 17(3), 546. https://doi.org/10.3390/nu15173721 ##Sebastiá-Rico, J., et al. (2023). Dietary habits of elite soccer players: Variations according to competitive level, playing position, and sex. Nutrients, 15(20), 4323. https://doi.org/10.3390/nu15204323 ##Vitošević, B., et al. (2025). Juice-based supplementation strategies for athletic performance and recovery: A systematic review. Sports, 13(8), 269. https://doi.org/10.3390/sports13080269 ##Forelli, F., et al. (2024). Stay in the game: Comprehensive approaches to decrease the risk of sports injuries. Cureus, 16(12). https://doi.org/10.7759/cureus.76461 ##Hopper, C., Mooney, E., & McCloat, A. (2025). Nutritional intake and dietary knowledge of athletes: A scoping review. Nutrients, 17(2), 207. https://doi.org/10.3390/nu17020207 ##Aguinaga-Ontoso, I., et al. (2023). Effects of nutrition interventions on athletic performance in soccer players: A systematic review. Life, 13(6), 1271. https://doi.org/10.3390/life13061271 ##Pourbahram, M. R., et al. (2023). The effect of beetroot supplementation on oxidative stress and delayed onset muscle soreness after exhaustive eccentric exercise in competitive soccer players. https://doi.org/10.30495/varzesh.2023.1979591.1051## Ferrada-Contreras, E., et al. (2023). Does co-supplementation with beetroot juice and other nutritional supplements positively impact sports performance? A systematic review. Nutrients, 15(22), 4838. https://doi.org/10.3390/nu15224838 ##Ud Din, B. M., et al. (2024). Effect of caffeine on testosterone and cortisol levels in university football players. https://doi.org/10.17582/journal.pjz/20230530150540 ##Impey, J., Bahdur, K., & Kramer, M. (2022). The mediating effects of caffeine ingestion and post-activation performance enhancement on reactive dive times in goalkeepers. Annals of Applied Sport Science, 10(1), 1–10. ##Apostolidis, A., et al. (2020). Caffeine supplementation is ergogenic in soccer players independent of cardiorespiratory or neuromuscular fitness levels. Journal of the International Society of Sports Nutrition, 17(1), 31. https://doi.org/10.1186/s12970-020-00360-x ##Motamedi, E., Ebrahimi, M., & Jorbonian, A. (2020). Effects of caffeine and carbohydrate co-ingestion on anaerobic performance and muscular strength in female wushu athletes. Journal of Metabolism and Exercise, 10(2), 121–130. https://doi.org/10.22124/jme.2022.22486.233 ##Yildirim, U. C., et al. (2023). Acute effects of different doses of caffeinated chewing gum on exercise performance in caffeine-habituated male soccer players. Frontiers in Nutrition, 10, 1251740. https://doi.org/10.3389/fnut.2023.1251740 ##e Silva, T. M., et al. (2022). Effects of caffeine supplementation on recovery in professional soccer players. Muscles, 2(1), 1–11. https://doi.org/10.3390/muscles2010001 ##Bezuglov, E., et al. (2025). Influence of caffeine on tolerance to sport-specific high-intensity exercise in young elite soccer players. Journal of Human Nutrition and Dietetics, 38(1), e70002. https://doi.org/10.1111/jhn.70002 ##Said, N. M. B., et al. (2024). Effects of different doses of creatine supplementation on power and speed during the preparation period in football players. Human. Sport. Medicine, 24(2), 100–110. https://doi.org/10.14529/hsm240213 ##Huerta Ojeda, Á., & Jorquera-Aguilera, C. (2024). Combined impact of creatine, caffeine, and variable resistance on repeated sprint ability in young soccer players. Nutrients, 16(15), 2437. https://doi.org/10.3390/nu16152437 ##Yapıcı, A. (2023). Acute effects of different creatine supplementation methods on anaerobic performance. Mediterranean Journal of Sport Science, 6(2), 446–455. https://doi.org/10.38021/asbid.1249053 ##Diety, S. W. S. (2022). Use of dietary supplements among football players aged 19–26 years. https://doi.org/10.5604/01.3001.0016.0367 ##Wax, B., et al. (2021). Creatine for exercise and sports performance, with recovery considerations for healthy populations. Nutrients, 13(6), 1915. https://doi.org/10.3390/nu13061915 ##Farhani, M. A., Rajabi, H., & Noormohammadpour, R. (2024). Effects of ultra-short race pace training combined with beta-alanine supplementation on physical fitness in young soccer players. Journal of Exercise & Organ Crosstalk, 4(3), 184–193. https://doi.org/10.22122/jeoct.2025.501580.1141 ##Hamzekolaee, A. M., Safarzade, A., & Esmaeeli, A. (2023). Effects of beta-alanine supplementation on recovery and performance indices in male soccer players. Asian Journal of Sports Medicine, 14(2). https://doi.org/10.5812/asjsm-134489 ##Ribeiro, R., et al. (2020). Short-duration beta-alanine supplementation does not prevent performance decrements during an intense preparatory period in elite female footballers. Frontiers in Nutrition, 7, 43. https://doi.org/10.3389/fnut.2020.00043 ##Karami, Y., Jalali Dehkordi, K., Sharifi, G., & Jalali Dehkordi, A. (2024). Comparison of beta-alanine and sodium bicarbonate supplementation on pH, blood lactate, and anaerobic capacity in elite male taekwondo athletes. Applied Research in Sports Nutrition and Exercise Science, 1(1), 73–86. https://doi.org/10.22091/arsnes.2023.2765 ##Valenta, S., Psotta, R., & Hrabal, J. (2022). Effects of creatine supplementation on anaerobic exercise performance and body composition during reduced training in soccer players. Acta Salus Vitae, 10(1), 58–71. https://doi.org/10.58743/asv2022vol10no1.279## Huerta Ojeda, Á., et al. (2024). Effects of low-dose creatine monohydrate supplementation on post-fatigue muscle power in young soccer players. Nutrients, 16(9), 1324. https://doi.org/10.3390/nu16091324 ##Mor, A., et al. (2024). Moderate-dose caffeine enhances anaerobic performance without altering hydration status. Frontiers in Nutrition, 11, 1359999. https://doi.org/10.3389/fnut.2024.1359999 ##Bezuglov, E., et al. (2025). Caffeine effects on physical performance and sport-specific skills in elite youth soccer players: A randomized balanced placebo trial. Sports, 13(4), 106. https://doi.org/10.3390/sports13040106 ##Adji, F. R., Sofro, Z. M., & Hapsari, M. (2022). Effect of beetroot juice (Beta vulgaris L.) supplementation on VO₂max in youth soccer athletes. Journal of Public Health in Africa, 13(Suppl 2), 2406. https://doi.org/10.4081/jphia.2022.2406 ##Michailidis, Y. (2023). Influence of beetroot supplementation on muscle oxygen saturation following repeated sprint exercise in semi-professional soccer players. Central European Journal of Sport Sciences and Medicine, 42, 55–63. https://doi.org/10.18276/cej.2023.2-05 ##Giv, V., Aminaei, M., & Nikoei, R. (2024). Effects of eight weeks of beetroot juice supplementation on aerobic capacity, anaerobic power, and field performance in soccer players. Research in Sports Medicine, 32(1), 132–144. ##Daab, W., et al. (2023). Chronic beetroot juice supplementation attenuates neuromuscular fatigue during simulated soccer match play. Applied Physiology, Nutrition, and Metabolism, 49(1), 105–113. https://doi.org/10.1139/apnm-2023-0179 ##Mohammed, S. S., Rahimi, M. R., & Sayfaddin, D. L. (2022). Effects of beta-alanine supplementation on blood lactate reduction and sports performance enhancement. Matrix Science Pharma, 6(3), 75–80. https://doi.org/10.4103/mtsp.mtsp_12_22 ##Mor, A., et al. (2022). Effects of BCAA and creatine supplementation on anaerobic capacity and ball-kicking speed in male football players. Journal of Men’s Health, 18(1). https://doi.org/10.31083/jomh.2021.058 ##Varillas-Delgado, D. (2024). Association between genetic profile, muscle hypertrophy, and injury prevention following creatine supplementation in professional football players. Nutrients, 16(15), 2511. https://doi.org/10.3390/nu16152511 ##