Use of nutritional supplements by elite Japanese track and field athletes
While scientific evidence supports the efficacy of only limited nutritional supplements (NS) on sports performance, the use of NS is widespread in athletes. Given the serious issues of health damage or uninten... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - July 22, 2020 Category: Sports Medicine Authors: Shogo Tabata, Fumihiro Yamasawa, Suguru Torii, Tomohiro Manabe, Hiroshi Kamada, Akira Namba, Jo Kato, Haruka Kaneko, Keitaro Tahara, Yuka Tsukahara and Kazuki Sato Tags: Research article Source Type: research

The influence of amaranth (Amaranthus hypochondriacus) dietary nitrates on the aerobic capacity of physically active young persons
Recent evidence indicates that elevating plasma nitrites through dietary nitrates (NO3 −) supplementation is associated with enhanced muscle efficiency, fatigue resistance and performance. Beetroot (in various for... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - July 13, 2020 Category: Sports Medicine Authors: Tomas Liubertas, Ramutis Kairaitis, Loreta Stasiule, Sandrija Capkauskiene, Arvydas Stasiulis, Pranas Viskelis, Jonas Vi škelis and Dalia Urbonaviciene Tags: Research article Source Type: research

Analysis of food and fluid intake in elite ultra-endurance runners during a 24-h world championship
Properly replacing energy and fluids is a challenge for 24-h ultramarathoners because such unusually high intake may induce adverse effects (gastrointestinal symptoms [GIS] and exercise-associated hyponatremia... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - July 11, 2020 Category: Sports Medicine Authors: Chlo é Lavoué, Julien Siracusa, Émeric Chalchat, Cyprien Bourrilhon and Keyne Charlot Tags: Research article Source Type: research

Erythrocyte concentrations of chromium, copper, manganese, molybdenum, selenium and zinc in subjects with different physical training levels
The aim of the present study was to determine changes occurring in the erythrocyte concentrations of chromium (Cr), copper (Cu), manganese (Mn), molybdenum (Mo), selenium (Se) and zinc (Zn) in male subjects wi... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - July 9, 2020 Category: Sports Medicine Authors: M. Maynar, F. J. Grijota, J. Siquier-Coll, I. Bartolome, M. C. Robles and D. Mu ñoz Tags: Research article Source Type: research

Correction to: Influence of physical training on erythrocyte concentrations of iron, phosphorus and magnesium
An amendment to this paper has been published and can be accessed via the original article. (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - June 30, 2020 Category: Sports Medicine Authors: Marcos Maynar Mari ño, Francisco Javier Grijota, Ignacio Bartolomé, Jesús Siquier-Coll, Victor Toro Román and Diego Muñoz Tags: Correction Source Type: research

A review of the ketogenic diet for endurance athletes: performance enhancer or placebo effect?
The ketogenic diet has become popular among endurance athletes as a performance enhancer. This paper systematically reviews the evidence regarding the effect of the endurance athlete ’s ketogenic diet (EAKD) on... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - June 22, 2020 Category: Sports Medicine Authors: Caitlin P. Bailey and Erin Hennessy Tags: Review Source Type: research

Dietary restrictions in endurance runners to mitigate exercise-induced gastrointestinal symptoms
Endurance runners frequently experience exercise-induced gastrointestinal (GI) symptoms, negatively impacting their performance. Food choices pre-exercise have a significant impact on the gut ’s tolerance to ru... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - June 10, 2020 Category: Sports Medicine Authors: Jill A. Parnell, Kim Wagner-Jones, Robyn F. Madden and Kelly Anne Erdman Tags: Research article Source Type: research

Caffeine supplementation is ergogenic in soccer players independent of cardiorespiratory or neuromuscular fitness levels
This study e... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - June 8, 2020 Category: Sports Medicine Authors: Andreas Apostolidis, Vassilis Mougios, Ilias Smilios, Maria Frangous and Marios Hadjicharalambous Tags: Research article Source Type: research

Multi-ingredient pre-workout supplementation changes energy system contribution and improves performance during high-intensity intermittent exercise in physically active individuals: a double-blind and placebo controlled study
Nutritional ergogenic aids are commonly used to boost physiological adaptations to exercise and promote greater fitness gains. However, there is a paucity of data about multi-ingredient pre-workout supplementa... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - June 3, 2020 Category: Sports Medicine Authors: Caique Figueiredo, F ábio Santos Lira, Fabricio Eduardo Rossi, François Billaut, Rodrigo Loschi and Camila S. Padilha Tags: Research article Source Type: research

Proceedings of the Sixteenth International Society of Sports Nutrition (ISSN) Conference and Expo
(Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - May 31, 2020 Category: Sports Medicine Tags: Meeting abstracts Source Type: research

The effect of New Zealand blackcurrant on sport performance and related biomarkers: a systematic review and meta-analysis
Blackcurrants have come to be regarded as a superfood because of their high polyphenol content, namely anthocyanins. While many berry types have been studied, blackcurrant-anthocyanins may be the superior berr... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - May 27, 2020 Category: Sports Medicine Authors: A. J. Braakhuis, V. X. Somerville and R. D. Hurst Tags: Review Source Type: research

The addition of an amylopectin/chromium complex to branched-chain amino acids enhances muscle protein synthesis in rat skeletal muscle
A previous clinical study reported that the addition of an amylopectin/chromium complex (ACr; Velositol ®) to 6 g of whey protein (WP) significantly enhanced muscle protein synthesis (MPS). Branched-chain amino... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - May 27, 2020 Category: Sports Medicine Authors: James R. Komorowski, Sara Perez Ojalvo, Sarah Sylla, Hakki Tastan, Cemal Orhan, Mehmet Tuzcu, Nurhan Sahin and Kazim Sahin Tags: Research article Source Type: research

Higher doses of a green tea-based supplement increase post-exercise blood flow following an acute resistance exercise bout in recreationally resistance-trained college-aged men
There are animal data suggesting green tea can enhance blood flow. However, human data are lacking. Thus, the purpose of this study was to examine the acute effects of low and high doses of a green tea-based s... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - May 27, 2020 Category: Sports Medicine Authors: Carlton D. Fox, Christian T. Garner, Petey W. Mumford, Darren T. Beck and Michael D. Roberts Tags: Research article Source Type: research

The addition of β-Hydroxy β-Methylbutyrate (HMB) to creatine monohydrate supplementation does not improve anthropometric and performance maintenance across a collegiate rugby season
This study sought... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - May 27, 2020 Category: Sports Medicine Authors: Gerald T. Mangine, Trisha A. VanDusseldorp, Garrett M. Hester, Jennifer M. Julian and Yuri Feito Tags: Research article Source Type: research

Influence of daily beer or ethanol consumption on physical fitness in response to a high-intensity interval training program. The BEER-HIIT study
High-intensity interval training (HIIT) is an effective approach to improve physical fitness, but consuming beer, which is a regular practice in many physically active individuals, may interfere with these eff... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - May 27, 2020 Category: Sports Medicine Authors: Cristina Molina-Hidalgo, Alejandro De-la-O, Manuel Dote-Montero, Francisco J. Amaro-Gahete and Manuel J. Castillo Tags: Research article Source Type: research