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The Effect of Food Ration Bar Enriched With Β-Alanine, L-Arginine, and Nigella Sativa on Performance and Inflammation Following Intense Military Training: A Double-Blind Randomized Clinical Trial Publisher

Summary: Research shows a food bar with β-alanine, L-arginine, and Nigella sativa improves athletic performance and reduces inflammation in cadets. #SportsNutrition #Inflammation

Hadi S1, 2 ; Miryan M3 ; Soleimani D4 ; Amani R1 ; Mazaheri Tehrani M5 ; Hadi V2 ; Esmaiil Zali M6 ; Mosalmanzadeh N7 ; Askari G1, 8
Authors

Source: Food Science and Nutrition Published:2021


Abstract

Background: There are growing interests in using dietary supplements to improve athletic performance. This study aimed to evaluate the effect of the food ration bar enriched with β-alanine, L-arginine, and Nigella sativa on athletic performance and inflammation following intense military training. Methods: This double-blind, randomized, controlled clinical trial was conducted on 54 new cadets. Eligible participants were randomly assigned in a 1:1 ratio to receive food ration bars enriched with arginine (2 g/day), β-alanine (2 g/day), and Nigella sativa (2 g/day) or nonenriched food ration bars during a 2-week military training. Aerobic and anaerobic performances were evaluated by the Cooper and RAST tests, respectively. Results: A significant increase in anaerobic powers (min, mean, and max) and a significant reduction in fatigue index were observed in the intervention group as compared to the control group, even after the adjustment for confounding factors. Also, increased levels of hs-CRP and TNF-α following military training were significantly lower in the intervention group as compared to the control group (hs-CRP: 0.55 ± 0.1 versus 2.43 ± 0.1 mg/L; p-value: 0.01; TNF-α: 0.12 ± 0.04 versus 0.62 ± 0.04 pg/ml; p-value: 0.03). No significant changes were observed in VO2 max in both groups. Conclusions: Our results showed that the combination of β-alanine, L-arginine, and Nigella sativa can improve anaerobic performance and reduce inflammation following intense physical activities. Further studies with long-term duration are needed to confirm the cumulative/synergic effects of these ingredients in trained and nontrained subjects. © 2021 The Authors. Food Science & Nutrition published by Wiley Periodicals LLC.
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