Chronic Beetroot Juice Supplementation Accelerates Recovery Kinetics following Simulated Match Play in Soccer Players

Daab, Wael; Bouzid, Mohamed; Lajri, Mehdi; Bouchiba, Mustapha; Saafi, Mohamed Ali; Rebai, Haithem

doi:10.1080/07315724.2020.1735571

Cited by 26 publications

(46 citation statements)

References 46 publications

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“…Due to insufficient studies we could not perform our planned sub-group analysis (Higgins and Green 2011b). Our sensitivity analysis revealed that most of the statistical heterogeneity could be removed by excluding one outlying study that unlike the others employed a crossover design (Daab et al 2021). Excluding this study removed the heterogeneity for MIVC <48 h post-exercise (Chi 2 1.98; I 2 ¼ 0%, p !…”

Section: Sensitivity and Sub-group Analysismentioning

confidence: 98%

“…A second author verified the transferred data (TC). When numerical data were missing, the study authors were contacted (Carriker et al 2018;Larsen et al 2019;Menezes et al 2019;Daab et al 2021) but none replied. Therefore, means and SDs not available in articles were extracted using online software (WebPlotDigitizer, Version 4.3).…”

Section: Data Extractionmentioning

confidence: 99%

“…All studies were randomized and contained a placebo group that undertook the same exercise as their respective intervention group. One study used a nitrate depleted beetroot juice as a placebo (Carriker et al 2018); six studies used a non-taste matched but isocaloric (added maltodextrin and protein) nitrate and (poly)phenol free fruit flavored drink (Clifford, Bell et al 2016;Clifford, Berntzen et al 2016;Clifford, Allerton et al 2017;Clifford et al 2018;Daab et al 2021); one study used a fruit flavored water drink (Larsen et al 2019); one study supplied sodium chloride as capsules (Menezes et al 2019). The sample sizes of included studies were modest, with the number of participants per group ranging from 9 to 17.…”

Section: Study Characteristicsmentioning

confidence: 99%

“…A summary of the risk of bias is presented in Figure 2 and Figure S1 (Supplementary material). Risk of bias arising from period and carry over effects was deemed to be low in the studies by Carriker et al (2018) and Daab et al (2021). However, some concerns were identified for the study by Menezes et al (2019) as period effects were not accounted for in the analysis (e.g., by the inclusion of a time-by-treatment interaction term).…”

Section: Risk Of Biasmentioning

confidence: 99%

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The Effect of Nitrate-Rich Beetroot Juice on Markers of Exercise-Induced Muscle Damage: A Systematic Review and Meta-Analysis of Human Intervention Trials

Jones

Bailey

Rowland

et al. 2021

Journal of Dietary Supplements

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This systematic review and meta-analysis of randomized controlled trials examined whether dietary nitrate supplementation attenuates exercise-induced muscle damage (EIMD) and is reported according to the PRISMA guidelines. Medline and SPORTDiscus databases were searched from inception to June 2020. Inclusion criteria were studies in adult humans consuming inorganic nitrate before and after exercise and that measured markers implicated in the etiology of EIMD (muscle function, muscle soreness, inflammation, myocellular protein efflux, oxidative stress, range of motion) <168 h post. The Cochrane Collaboration risk of bias two tool was used to critically appraise the studies; forest plots were generated with random-effects models and standardized mean differences (SMD). Nine studies were included in the systematic review and six in the meta-analysis. All studies were rated to have some concerns for risk of bias. All trials in the metaanalysis provided nitrate as beetroot juice, which accelerated isometric strength recovery 72 h post-exercise (SMD: 0.54, p ¼ 0.01) and countermovement jump performance 24-72 h post-exercise (SMD range: 0.75-1.32, p < 0.03). Pressure pain threshold was greater with beetroot juice 48 (SMD: 0.58, p ¼ 0.03) and 72 h post-exercise (SMD: 0.61, p ¼ 0.02). Beetroot juice had no effect on markers of oxidative stress and creatine kinase (p > 0.05), but c-reactive protein was higher vs. placebo at 48 h post-exercise (SMD: 0.55, p ¼ 0.03). These findings suggest that nitrate-rich beetroot juice may attenuate some markers of EIMD, but more large-scale controlled trials in elite athletes are needed.

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Section: Sensitivity and Sub-group Analysismentioning

confidence: 98%

Section: Data Extractionmentioning

confidence: 99%

Section: Study Characteristicsmentioning

confidence: 99%

Section: Risk Of Biasmentioning

confidence: 99%

See 2 more Smart Citations

The Effect of Nitrate-Rich Beetroot Juice on Markers of Exercise-Induced Muscle Damage: A Systematic Review and Meta-Analysis of Human Intervention Trials

Jones

Bailey

Rowland

et al. 2021

Journal of Dietary Supplements

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“…One example is beetroot (Beta vulgaris L.), which presents a high concentration of phenolic compounds and other substances, such as betalains, in its composition which have a positive effect on health [8][9][10][11][12]. Additionally to the antioxidative properties and hepatoprotective activity [12], some authors have observed that consumption of beetroot or its derivative products is able to improve sports performance, glycaemia control and blood pressure [13][14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Beet (Beta vulgaris L.) Stalk and Leaf Supplementation Improves Glucose Homeostasis and Insulin Resistance Markers in Liver of Mice Exposed to a High-Fat Diet

Lorizola

Miyamoto

Vieira

et al. 2020

Preprint

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Background Although beet stalks and leaves are not consumed and are usually discarded, they are an important source of bioactive flavonoids possessing antioxidant and anti-inflammatory activity, which could be explored to prevent metabolic disorders associated with an unhealthy diet. The aim of this study was to assess the effect of supplementation with beet (Beta vulgaris L.) stalks and leaves on metabolic parameters and glucose homeostasis in mice exposed to a high-fat diet.Methods Six-week-old male Swiss mice were randomly divided into five experimental groups submitted to either standard diet (CT) or high-fat diet (HF), and HF-fed mice were subdivided into three treatment groups supplemented with oven-dehydrated beet stalks and leaves (SL), lyophilized beet stalks and leaves (Ly) or beet stalk and leaf extract (EX).Results Supplementation with SL was able to ameliorate glucose homeostasis (P < 0.05) with no alteration in hepatic triglyceride content. It remains to be clarified if the enhancement in the glucose homeostasis observed in HFSL could be a consequence of improvement in pancreatic insulin secretion and/or glucose uptake from skeletal muscle and white adipose tissues.Conclusions The current results suggest that beet stalks and leaves could be used as adjuvants to improve parameters related to glucose metabolism in the liver.

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Nutritional interventions for reducing the signs and symptoms of exercise-induced muscle damage and accelerate recovery in athletes: current knowledge, practical application and future perspectives

et al. 2020

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show abstract

Chronic Beetroot Juice Supplementation Accelerates Recovery Kinetics following Simulated Match Play in Soccer Players

Cited by 26 publications

References 46 publications

The Effect of Nitrate-Rich Beetroot Juice on Markers of Exercise-Induced Muscle Damage: A Systematic Review and Meta-Analysis of Human Intervention Trials

The Effect of Nitrate-Rich Beetroot Juice on Markers of Exercise-Induced Muscle Damage: A Systematic Review and Meta-Analysis of Human Intervention Trials

Beet (Beta vulgaris L.) Stalk and Leaf Supplementation Improves Glucose Homeostasis and Insulin Resistance Markers in Liver of Mice Exposed to a High-Fat Diet

Nutritional interventions for reducing the signs and symptoms of exercise-induced muscle damage and accelerate recovery in athletes: current knowledge, practical application and future perspectives

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