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Nutrients
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Health Effects of Sport-Related Nutritional Supplements
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Health Effects of Sport-Related Nutritional Supplements

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

Deadline for manuscript submissions: closed (5 February 2024) | Viewed by 7331

Special Issue Editor

Dr. Tim Ziegenfuss

E-Mail Website
Guest Editor
The Center for Applied Health Sciences, 6570 Seville Drive, Canfield, OH 44406, USA
Interests: muscle physiology; sports nutrition; exercise performance; healthy aging; cardiometabolic health

Special Issue Information

Dear Colleagues,

The global use of dietary supplements by athletes at all sporting levels, as well as their non-physically active counterparts, continues to increase. While the use of “sports supplements” is ubiquitous, quality research demonstrating their benefits to health and performance is not. However, there are notable exceptions of substances that have demonstrated tangible circumstantial benefits to athletes and non-athletes, including: creatine; protein/essential amino acids; beetroot/nitrate; omega-3 fats; taurine; curcumin; coQ10; arginine/citrulline; astaxanthin; vitamin D; beta alanine/carnosine; and L-carnitine. The potential benefits of these compounds on cardiovascular, metabolic, bone/joint, muscle and brain health are notable and should not be ignored.

In this Special Issue, “Health Effects of Sport-related Nutritional Supplements”, we invite the submission of original articles and review articles addressing topics within this theme with an emphasis on human data. 

Dr. Tim Ziegenfuss
Guest Editor

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

  • dietary supplements
  • creatine
  • protein/essential amino acids
  • beetroot
  • omega-3
  • taurine
  • astaxanthin
  • L-carnitine
  • vitamin D
  • carnosine
  • curcumin
  • coQ10
  • arginine
  • citrulline

Published Papers (2 papers)

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Research

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12 pages, 686 KiB  
Article
Impact of Short-Term Creatine Supplementation on Muscular Performance among Breast Cancer Survivors
by Emily J. Parsowith, Matt S. Stock, Olivia Kocuba, Alec Schumpp, Kylah Jackson, Alexander M. Brooks, Alena Larson, Madison Dixon and Ciaran M. Fairman
Nutrients 2024, 16(7), 979; https://doi.org/10.3390/nu16070979 - 27 Mar 2024
Viewed by 1329
Abstract
Breast cancer (BC) is one of the most common cancers in the United States. Advances in detection and treatment have resulted in an increased survival rate, meaning an increasing population experiencing declines in muscle mass and strength. Creatine supplementation has consistently demonstrated improvements [...] Read more.
Breast cancer (BC) is one of the most common cancers in the United States. Advances in detection and treatment have resulted in an increased survival rate, meaning an increasing population experiencing declines in muscle mass and strength. Creatine supplementation has consistently demonstrated improvements in strength and muscle performance in older adults, though these findings have not been extended to cancer populations. PURPOSE: The purpose of this study was to investigate the effects of short-term creatine supplementation on muscular performance in BC survivors. METHODS: Using a double-blind, placebo-controlled, randomized design, 19 female BC survivors (mean ± SD age = 57.63 ± 10.77 years) were assigned to creatine (SUPP) (n = 9) or dextrose placebo (PLA) (n = 10) groups. The participants completed two familiarization sessions, then two test sessions, each separated by 7 days, where the participants supplemented with 5 g of SUPP or PLA 4 times/day between sessions. The testing sessions included sit-to-stand power, isometric/isokinetic peak torque, and upper/lower body strength via 10 repetition maximum (10RM) tests. The interaction between supplement (SUPP vs. PLA) and time (Pre vs. Post) was examined using a group × time ANOVA and effect sizes. RESULTS: No significant effects were observed for sit-to-stand power (p = 0.471; ηp2 = 0.031), peak torque at 60°/second (p = 0.533; ηp2 = 0.023), peak torque at 120°/second (p = 0.944; ηp2 < 0.001), isometric peak torque (p = 0.905; ηp2 < 0.001), 10RM chest press (p = 0.407; ηp2 = 0.041), and 10RM leg extension (p = 0.932; ηp2 < 0.001). However, a large effect size for time occurred for the 10RM chest press (ηp2 = 0.531) and leg extension (ηp2 = 0.422). CONCLUSION: Seven days of creatine supplementation does not influence muscular performance among BC survivors. Full article
(This article belongs to the Special Issue Health Effects of Sport-Related Nutritional Supplements)
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Review

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18 pages, 1542 KiB  
Review
Athletes Can Benefit from Increased Intake of EPA and DHA—Evaluating the Evidence
by Maja Tomczyk, Jeffery L. Heileson, Mirosław Babiarz and Philip C. Calder
Nutrients 2023, 15(23), 4925; https://doi.org/10.3390/nu15234925 - 26 Nov 2023
Cited by 2 | Viewed by 5527
Abstract
Fatty fish, which include mackerel, herring, salmon and sardines, and certain species of algae (e.g., Schizochytrium sp., Crytthecodiniumcohnii and Phaeodactylumtricornutum) are the only naturally rich sources of the omega-3 polyunsaturated fatty acids (n-3 PUFAs) eicosapentaenoic acid (EPA) and docosahexaenoic acid [...] Read more.
Fatty fish, which include mackerel, herring, salmon and sardines, and certain species of algae (e.g., Schizochytrium sp., Crytthecodiniumcohnii and Phaeodactylumtricornutum) are the only naturally rich sources of the omega-3 polyunsaturated fatty acids (n-3 PUFAs) eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). EPA and DHA are the most biologically active members of the n-3 PUFA family. Limited dietary sources and fluctuating content of EPA and DHA in fish raise concerns about the status of EPA and DHA among athletes, as confirmed in a number of studies. The beneficial effects of EPA and DHA include controlling inflammation, supporting nervous system function, maintaining muscle mass after injury and improving training adaptation. Due to their inadequate intake and beneficial health-promoting effects, athletes might wish to consider using supplements that provide EPA and DHA. Here, we provide an overview of the effects of EPA and DHA that are relevant to athletes and discuss the pros and cons of supplements as a source of EPA and DHA for athletes. Full article
(This article belongs to the Special Issue Health Effects of Sport-Related Nutritional Supplements)
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