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Nutrients
Special Issues
Impact of Nutritional Supplements on Athletic Performance
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Impact of Nutritional Supplements on Athletic Performance

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Sports Nutrition".

Deadline for manuscript submissions: 5 June 2024 | Viewed by 1634

Special Issue Editors

Dr. George Panayiotou

E-Mail Website
Guest Editor
Laboratory of Exercise, Health and Human Performance, Applied Sport Science Postgraduate Program, Department of Life Sciences, School of Sciences, European University Cyprus, 1516 Nicosia, Cyprus
Interests: oxidative stress; sports nutrition; sports supplements; body composition; chronic diseases; performance profiling; workload monitoring
Dr. Spyridon Methenitis

E-Mail Website1 Website2
Co-Guest Editor
Sports Performance Laboratory, School of Physical Education and Sports Science, National and Kapodistrian University of Athens, 57668 Athens, Greece
Interests: strength & conditioning; exercise physiology; biochemistry of exercise; muscle morphology; muscle metabolism; muscle damage; neuromuscular system; training; training adaptations; performance; body functionality; sports nutrition
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Athletes of diverse sports and at competitive levels extensively use nutritional supplements before, during and post-match play/competition or workouts to achieve maximum performance.

Nutritional supplements aim to optimise performance through training adaptations, well-being, micronutrient and macronutrient intake, fast and effective physiological and morphological recovery and reducing the risk of injury and illness after high training/competition strain. However, the effectiveness of nutritional supplements is considerably limited, inconsistent or non-existent. Nutritional interventions in sports show wide variations depending on the athlete’s level, characteristics (e.g., age, gender, genetics, microbiome), sport type requirements, cultural diversities, environmental and emotional factors, dietary considerations, composition, amount, type of supplements and supplementation protocol and athletic performance outcomes. Furthermore, while the rational and evidence-based use of certain nutritional supplements can be beneficial for athletic performance and overall athlete health, irrational and improper use can be detrimental to the health, competitive performance and reputation of athletes in case of a violation of anti-doping code.

This Special Issue of Nutrients welcomes original research articles focused on nutritional supplements’ impact on athletic performance’s physical, mental and cognitive outcomes in different types of sports, taking into consideration competition level, athlete’s age, gender, genetic factors, cultural nutrition-related diversion, dietary considerations, environmental and emotional variations, supplements type, amount and intake timing.

Dr. George Panayiotou
Dr. Spyridon Methenitis
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nutrients is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • nutritional supplements
  • ergogenic aids
  • antioxidants
  • performance optimisation
  • performance outcomes
  • fatigue
  • well-being
  • health maintenance
  • injury risk
  • recovery enhancement
  • periodised nutrition

Published Papers (1 paper)

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Research

20 pages, 1715 KiB  
Article
Optimizing Short-Term Maximal Exercise Performance: The Superior Efficacy of a 6 mg/kg Caffeine Dose over 3 or 9 mg/kg in Young Female Team-Sports Athletes
by Houda Bougrine, Achraf Ammar, Atef Salem, Khaled Trabelsi, Haitham Jahrami, Hamdi Chtourou and Nizar Souissi
Nutrients 2024, 16(5), 640; https://doi.org/10.3390/nu16050640 - 25 Feb 2024
Cited by 1 | Viewed by 1282
Abstract
Caffeine (CAF) is among the most extensively researched dietary supplements worldwide. However, little is known about the relationship between dosage and performance enhancement, particularly in female athletes. This study aimed to explore the effects of three different CAF dosages (3 mg·kg−1, [...] Read more.
Caffeine (CAF) is among the most extensively researched dietary supplements worldwide. However, little is known about the relationship between dosage and performance enhancement, particularly in female athletes. This study aimed to explore the effects of three different CAF dosages (3 mg·kg−1, 6 mg·kg−1, and 9 mg·kg−1) on high-intensity exercise and the prevalence of undesirable side effects related to these doses among female team-sports athletes. All participants (n = 16; age: 16.9 ± 0.6 y; height: 1.64 ± 0.1 m; BMI: 21.6 ± 1.5 kg·m−2) were mild CAF consumers. This study had a randomized, crossover, double-blind design in which each athlete performed four experimental sessions after ingesting either a placebo (PLAC), 3 mg·kg−1 CAF (CAF-3), 6 mg·kg−1 CAF (CAF-6), or 9 mg·kg−1 of CAF (CAF-9), with an in-between washout period of at least 72 h. In each experimental session, 60 min after ingesting the capsules, participants underwent a countermovement jumps test (CMJ), modified agility t-test (MATT), repeated sprint ability (RSA) test, and a rating of perceived exertion (RPE) and completed the CAF side effects questionnaire. Our findings revealed that in comparison to the PLAC condition, the MATT, RSAmean, and RSAbest performances were significantly greater only under the CAF-6 and CAF-9 conditions. Although the RPE scores remained unchanged, CMJ performance improved under all CAF conditions. All the performance outcomes were better for the CAF-6 and CAF-9 conditions than for the CAF-3 condition. Notably, no significant difference between the CAF-6 and CAF-9 conditions was observed for any of these parameters despite the highest incidence of side effects being noted for the CAF-9 condition. In summary, our findings highlight the recommendation for a moderate CAF dosage of 6 mg·kg−1 rather than 3 or 9 mg·kg−1 to enhance various aspects of short-term maximal performance in mild-CAF-consumer female team-sports athletes while mitigating the occurrence of adverse CAF side effects. Full article
(This article belongs to the Special Issue Impact of Nutritional Supplements on Athletic Performance)
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