JISSN will move to MDPI in 2027 under a new publishing agreement. Here is what sports nutrition researchers, practitioners, and industry professionals should watch.
Ketoacidosis occurs when excessive ketone production makes the blood dangerously acidic. Learn the difference between nutritional ketosis and ketoacidosis in this GPNi science article.
Does a low-carbohydrate diet improve or impair endurance performance? This article reviews the latest AJCN debate and explains why fueling strategy depends on intensity, duration, and athlete goals.
Lycopene is a powerful antioxidant found in tomatoes, watermelon, guava, and grapefruit. Learn its benefits, food sources, and how to improve absorption.
On the afternoon of June 15, 2026, the GPNi & ISSN Sports Nutrition Conference will take place at the National Exhibition and Convention Center in Shanghai during FiA.
Quercetin may support antioxidant defense and exercise recovery, but does it improve performance? This evidence-based review explores the current research, limitations, and practical implications for athletes.
The first part of How to become a High-Calibre Sport Nutrition Coach we looked at an easy but crucial question: What are athletes nutritionists and coaches actually do?
“In a world of certifications built by marketers and mass platforms, I created GPNi® to bring back credibility, science, and mentorship to the next generation of sports nutrition professionals.”
In the protein supplement industry, ill-intentioned manufacturers engage in deceptive practices such as amino spiking (also known as nitrogen or protein spiking).
Protein is an essential macronutrient required for various physiological processes, including muscle growth, repair, enzyme production, and immune function.