Effects of caffeine intake on muscle strength and power: a systematic review and meta-analysis
Caffeine is commonly used as an ergogenic aid. Literature about the effects of caffeine ingestion on muscle strength and power is equivocal. The aim of this systematic review and meta-analysis was to summarize... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - March 5, 2018 Category: Sports Medicine Authors: Jozo Grgic, Eric T. Trexler, Bruno Lazinica and Zeljko Pedisic Tags: Review Source Type: research

How much protein can the body use in a single meal for muscle-building? Implications for daily protein distribution
Controversy exists about the maximum amount of protein that can be utilized for lean tissue-building purposes in a single meal for those involved in regimented resistance training. It has been proposed that mu... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - February 27, 2018 Category: Sports Medicine Authors: Brad Jon Schoenfeld and Alan Albert Aragon Tags: Review Source Type: research

An attempt to induce an immunomodulatory effect in rowers with spirulina extract
The aim of this study was to analyze the response of selected components of the immune system in rowers to maximal physical exercise, and to verify if this response can be modulated by supplementation with spi... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - February 20, 2018 Category: Sports Medicine Authors: Artur Juszkiewicz, Piotr Basta, El żbieta Petriczko, Bogusław Machaliński, Jerzy Trzeciak, Karolina Łuczkowska and Anna Skarpańska-Stejnborn Tags: Research article Source Type: research

Influence of acute consumption of caffeine vs. placebo over Bia-derived measurements of body composition: a randomized, double-blind, crossover design
Bioelectrical impedance analysis (BIA) is often used to estimate total body water (TBW), intracellular body water (ICW), extracellular body water (ECW), and body fat percentage (BF%). A common restriction for ... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - February 13, 2018 Category: Sports Medicine Authors: Cassie M. Williamson, Brett S. Nickerson, Emily E. Bechke, Cherilyn N. McLester and Brian M. Kliszczewicz Tags: Research article Source Type: research

Seric concentrations of copper, chromium, manganesum, nickel and selenium in aerobic, anaerobic and mixed professional sportsmen
The aim of the present study was to determine changes in serum concentrations of trace elements Cooper (Cu), Chromiun (Cr), Manganesum (Mn), Nickel (Ni) and Selenium (Se) in high-level sportsmen. (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - February 13, 2018 Category: Sports Medicine Authors: Marcos Maynar, Francisco Llerena, Ignacio Bartolom é, Javier Alves, María-Concepción Robles, Francisco-Javier Grijota and Diego Muñoz Tags: Research article Source Type: research

High protein consumption in trained women: bad to the bone?
It has been posited that the consumption of extra protein (> 0.8 g/kg/d) may be deleterious to bone mineral content. However, there is no direct evidence to show that consuming a high-protein diet results in a... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - January 31, 2018 Category: Sports Medicine Authors: Jose Antonio, Anya Ellerbroek, Cassandra Evans, Tobin Silver and Corey A. Peacock Tags: Research article Source Type: research

Effects of lemon verbena extract (Recoverben ®) supplementation on muscle strength and recovery after exhaustive exercise: a randomized, placebo-controlled trial
Exhaustive exercise causes muscle damage accompanied by oxidative stress and inflammation leading to muscle fatigue and muscle soreness. Lemon verbena leaves, commonly used as tea and refreshing beverage, demo... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - January 23, 2018 Category: Sports Medicine Authors: Sybille Buchwald-Werner, Ioanna Naka, Manfred Wilhelm, Elivra Sch ütz, Christiane Schoen and Claudia Reule Tags: Research article Source Type: research

Nutritional strategies of high level natural bodybuilders during competition preparation
Competitive bodybuilders employ a combination of resistance training, cardiovascular exercise, calorie reduction, supplementation regimes and peaking strategies in order to lose fat mass and maintain fat free ... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - January 15, 2018 Category: Sports Medicine Authors: A. J. Chappell, T. Simper and M. E. Barker Tags: Research article Source Type: research

Understanding the factors that effect maximal fat oxidation
Lipids as a fuel source for energy supply during submaximal exercise originate from subcutaneous adipose tissue derived fatty acids (FA), intramuscular triacylglycerides (IMTG), cholesterol and dietary fat. Th... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - January 12, 2018 Category: Sports Medicine Authors: Troy Purdom, Len Kravitz, Karol Dokladny and Christine Mermier Tags: Review Source Type: research

The acute effects of a multi-ingredient pre-workout supplement on resting energy expenditure and exercise performance in recreationally active females
The use of dietary supplements to improve performance is becoming increasingly popular among athletes and fitness enthusiasts. Unfortunately, there is a tremendous lack of research being done regarding female ... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - January 5, 2018 Category: Sports Medicine Authors: Michael Cameron, Clayton L. Camic, Scott Doberstein, Jacob L. Erickson and Andrew R. Jagim Tags: Research article Source Type: research

Effects of beetroot juice supplementation on intermittent high-intensity exercise efforts
Beetroot juice contains high levels of inorganic nitrate (NO3 −) and its intake has proved effective at increasing blood nitric oxide (NO) concentrations. Given the effects of NO in promoting vasodilation and bloo... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - January 5, 2018 Category: Sports Medicine Authors: Ra úl Domínguez, José Luis Maté-Muñoz, Eduardo Cuenca, Pablo García-Fernández, Fernando Mata-Ordoñez, María Carmen Lozano-Estevan, Pablo Veiga-Herreros, Sandro Fernandes da Silva and Manuel Vicente Garnacho-Castaño Tags: Review Source Type: research

The influence of D-ribose ingestion and fitness level on performance and recovery
Skeletal muscle adenosine triphosphate (ATP) levels are severely depleted during and following prolonged high intensity exercise. Recovery from these lower ATP levels can take days, which can affect performanc... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - December 20, 2017 Category: Sports Medicine Authors: John G. Seifert, Allison Brumet and John A. St Cyr Tags: Research article Source Type: research

Effects of two pre-workout supplements on concentric and eccentric force production during lower body resistance exercise in males and females: a counterbalanced, double-blind, placebo-controlled trial
Pre-workout supplements purportedly enhance feelings of energy, reduce fatigue and improve exercise performance. The purpose of this study was to examine the performance effects of caffeinated and non-caffeina... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - November 28, 2017 Category: Sports Medicine Authors: Grant M. Tinsley, Matthew A. Hamm, Amy K. Hurtado, Austin G. Cross, Jose G. Pineda, Austin Y. Martin, Victor A. Uribe and Ty B. Palmer Tags: Research article Source Type: research

Mouth rinsing with a carbohydrate solution attenuates exercise-induced decline in executive function
A decline in executive function could have a negative influence on the control of actions in dynamic situations, such as sports activities. Mouth rinsing with a carbohydrate solution could serve as an effectiv... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - November 22, 2017 Category: Sports Medicine Authors: Kana Konishi, Tetsuya Kimura, Atsushi Yuhaku, Toshiyuki Kurihara, Masahiro Fujimoto, Takafumi Hamaoka and Kiyoshi Sanada Tags: Research article Source Type: research

The short-term effect of high versus moderate protein intake on recovery after strength training in resistance-trained individuals
Dietary protein intakes up to 2.9  g.kg−1.d−1 and protein consumption before and after resistance training may enhance recovery, resulting in hypertrophy and strength gains. However, it remains unclear whether pro... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - November 21, 2017 Category: Sports Medicine Authors: Justin Roberts, Anastasia Zinchenko, Craig Suckling, Lee Smith, James Johnstone and Menno Henselmans Tags: Research article Source Type: research