Brain Bites
Carb Loading Has Changed: Why You Probably Don’t Need a Depletion Phase
Learn how carbohydrate loading has evolved from the classic depletion–repletion model to modern evidence-based strategies for maximizing muscle glycogen and endurance performance.
What Is the Healthiest Type of Fat? Why Fat Quality Matters for Health and Performance
Unsaturated fats are often called the healthiest fats—but why? Explore the evidence on fat quality, heart health, and practical nutrition for performance.
Can Breakfast, Water, and Exercise Really Increase Your Metabolism?
Can eating breakfast, drinking water, and exercising really increase metabolism? Explore what the evidence says and how these habits support energy expenditure and athletic performance.
Daily Values Are Useful—but They Are Not an Athlete’s Nutrition Plan
Daily Values help athletes read nutrition labels, but they are not performance targets. Learn how to interpret %DV for protein, carbohydrate, sodium and micronutrients.
Trans Fats, Saturated Fats, and Heart Disease: What the Evidence Really Says
Diets high in trans fats and saturated fats are linked with increased heart disease risk. Learn how fat quality affects LDL cholesterol, heart health, and better food choices.
Ketoacidosis: When Ketone Production Goes Too Far
Ketoacidosis occurs when excessive ketone production makes the blood dangerously acidic. Learn the difference between nutritional ketosis and ketoacidosis in this GPNi science article.
Is Excess Sugar Really Stored as Fat?
Excess sugar can be stored as fat, but the process depends on energy needs, glycogen storage, and overall calorie balance. Learn the evidence-based explanation behind this common nutrition question.
Female Athlete Triad: Why “Eating Less to Perform Better” Can Undermine Health and Performance
Female Athlete Triad is a key concept in female athlete health, linking low energy availability, menstrual disturbance, and low bone mineral density. Learn how evidence-based sports nutrition supports performance, recovery, and long-term health.
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