Research studies and papers
In the pursuit of elite performance, athletes often focus on the macro: volume, intensity, and caloric intake. Yet, many hit a “recovery plateau” where even perfect training and nutrition fail to yield further gains. This bottleneck is rarely a lack of fuel; rather, it is a failure of the cellular engine. Modern sports science is […]
Urolithin A in Sports Nutrition: Benefits and Athletic Applications Read More »
This systematic review and meta-analysis investigates the impact of beetroot juice, a natural source of dietary nitrate, on athletic performance during sprint-based exercises. By examining 23 randomised trials, the researchers assessed how this supplement affects power output, fatigue, and neuromuscular responses in active adults. The findings suggest that while the juice may improve the speed
Beetroot Juice Effects on Sprint Performance and Fatigue Resistance Read More »
This study investigated the effects of AG1Ⓡ, a multi-ingredient synbiotic supplement, on the gut microbiome and general health of thirty healthy adults. Using a double-blind, placebo-controlled design, researchers discovered that four weeks of daily use successfully enriched beneficial probiotic taxa like Lactobacillus acidophilus and Bifidobacterium bifidum. Participants taking the supplement showed a potential 62.5% improvement
Effects of AG1 Supplementation on the Adult Gut Microbiome Read More »
This narrative review examines the physiological impact of Relative Energy Deficiency in Sport (REDs), a syndrome caused by a mismatch between dietary intake and the energy required for exercise and daily function. The authors synthesise current research to show how chronic under-fuelling disrupts bone mineral density, skeletal muscle mass, and hormonal regulation across various athletic
The Hidden Cost of the ‘Lean’ Ideal: Unmasking the Science of REDs Read More »
This comprehensive meta-analysis evaluates how protein supplementation influences the athletic performance and physical recovery of 1,206 athletes across 75 randomised controlled trials. The researchers discovered that while protein can enhance endurance, muscle strength, and glycogen resynthesis, these benefits often disappeared when total calorie intake was equalised between study groups. Whey protein emerged as the most
Protein Supplements in Athletic Performance and Recovery Meta-Analysis Read More »
In the discipline of high-performance physiology, muscle glycogen is no longer viewed as a mere passive substrate. The weight of the evidence dictates that glycogen acts as a sophisticated “fuel sensor” and a primary regulator of the cellular signaling pathways that drive training adaptation. Mastering the kinetics of glycogen resynthesis is the fundamental differentiator between
Muscle Glycogen Resynthesis: The Definitive Guide for Athletic Recovery and Performance Read More »
This review examines the evolving nutritional strategies and physiological demands of professional road cycling, focusing on the shift towards high carbohydrate intake. Recent data indicates that elite cyclists have increased “on-bike” fueling from 60 g/hr to 90–120 g/hr to meet the rising intensity of modern racing. This high-carbohydrate approach is essential for maintaining energy balance
Fuelling the Peloton: Advances in Road Cycling Race Nutrition Read More »
This fantastic, narrative review explores the potential of taurine supplementation as a novel method for improving human heat tolerance during physical exertion. Emerging research suggests that taurine acts as a thermoregulatory aid by lowering the body’s sweating threshold and increasing evaporative heat loss, which helps maintain a lower core temperature. These physiological benefits can enhance
Taurine and Human Heat Tolerance: Mechanisms and Integrative Strategies Read More »
Caffeine remains the undisputed gold standard of ergogenic aids, yet its utility is frequently compromised by its delivery. For many athletes, the systemic absorption required to sharpen focus or extend endurance involves a significant trade-off: gastrointestinal distress, jitteriness, and the frustration of delayed peak concentrations. Furthermore, genetic variability—specifically polymorphisms in the CYP1A2 gene, the liver enzyme responsible
Caffeine Mouth Rinse Effects on Exercise and Cognitive Performance Read More »
This study investigates why muscle glycogen levels recover so slowly in the days following a marathon, despite runners consuming a high-carbohydrate diet. Researchers specifically examined whether a reduction in GLUT-4, the primary protein responsible for transporting glucose into muscle cells, was the cause of this delayed replenishment. By taking muscle biopsies from trained athletes before
How does a marathon affect muscle glycogen recovery? Read More »
