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Preworkout Consumption of Chicken Essence Elicits Post-Exercise Hypotension in Prehypertensive Offspring of Hypertensive Parents: A Crossover Randomized Controlled Trial.
Prev Nutr Food Sci
December 2024
Department of Sports Science, Faculty of Sports and Health Science, Kasetsart University, Nakhon Pathom 73140, Thailand.
Chicken essence (CE) is known for its antihypertensive properties. However, few studies have investigated the effects of CE in prehypertensive individuals. Here, we conducted a randomized crossover clinical trial on prehypertensive offspring of hypertensive parents to evaluate the effects of preworkout CE consumption (CEC) on post-exercise hypotension (PEH) and cardiac autonomic and vascular responses.
View Article and Find Full Text PDFComparative effects of caffeine, beta-alanine, and their combination on mechanical, physiological, and perceptual responses to upper-body superset resistance training.
Eur J Appl Physiol
October 2024
Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Camino de Alfacar, 21, 18071, Granada, Spain.
Caffeine and beta-alanine are widely used in multi-ingredient pre-workout supplements believed to enhance resistance training, but their specific role in driving this effect remains unclear. The current study employed a randomized, triple-blinded, placebo-controlled and crossover experimental design to explore the acute effects of caffeine (200 mg), beta-alanine (3 g), or their combination (200 mg caffeine and 3 g beta-alanine; C+B-A) administered 30 min prior to resistance training (RT) on mechanical, physiological, and perceptual variables. Twenty-one young resistance-trained males (age = 23.
View Article and Find Full Text PDFPreworkout dietary nitrate magnifies training-induced benefits to physical function in late postmenopausal women: a randomized pilot study.
Am J Physiol Regul Integr Comp Physiol
December 2024
Department of Kinesiology, School of Health and Human Sciences, Indiana University Indianapolis, Indianapolis, Indiana, United States.
To inform end points for future work, we explored the utility of preworkout (i.e., an acute dose before training) beetroot juice (BRJ) combined with exercise (BRJ + EX) to augment indices of physical function in postmenopausal women compared with exercise only (EX).
View Article and Find Full Text PDFActivation of Human Adrenergic Receptors and Trace Amine-Associated Receptor 1 by Phenethylamine Analogues Present in Food Supplements.
Nutrients
May 2024
Department of Pharmacology and Toxicology, Maastricht University, 6200 MD Maastricht, The Netherlands.
Pre-workout supplements are popular among sport athletes and overweight individuals. Phenethylamines (PEAs) and alkylamines (AA) are widely present in these supplements. Although the health effects of these analogues are not well understood yet, they are hypothesised to be agonists of adrenergic (ADR) and trace amine-associated receptors (TAARs).
View Article and Find Full Text PDFFueling for and recovering from resistance training: The periworkout nutrition practices of competitive powerlifters.
Nutrition
June 2024
Sport Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, Auckland, New Zealand; Department of Exercise Science and Health Promotion, Muscle Physiology Laboratory, Florida Atlantic University, Boca Raton, Florida, USA.
Purpose: Nutrient timing is a concept that emphasizes the intentional ingestion of whole or fortified foods, and dietary supplements, to adequately fuel for, and recover from, acute and chronic exercise. The nutrition strategies used by powerlifters around training sessions have not, to our knowledge, been previously investigated. This study explored the self-reported periworkout (before, during, and after) nutrition practices of competitive powerlifters, including what, why, and information source that informed practice, with comparison to current sport nutrition guidelines.
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