GPNi® | Articles

All Articles

03 Aug, 2026

Words from Chairman

What 30 Years in Sports Nutrition Taught Me: Careers Are Built in Layers

GPNi founder Drew Campbell shares what three decades in sports nutrition taught him about building knowledge, credibility, connections and a lasting career.

28 Jul, 2026

Words from Chairman

Why Choose GPNi®? Build More Than a Certificate

Discover how GPNi® combines ISSN-backed education, PhD-level faculty, practical learning and a global network to build sports nutrition careers.

27 Jul, 2026

Brain Bites

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.

27 Jul, 2026

Science Spotlight

Creatine + Beta-Alanine: Does Combining Them Actually Improve Performance?

A new network meta-analysis compares creatine, beta-alanine, and their combination for sprinting, jumping, repeated-sprint ability, muscular endurance, and aerobic performance.

27 Jul, 2026

Performance Nutrition

Eat More Deeply Colored Foods—Your Body May Thank You

Discover how anthocyanin-rich fruits, vegetables, grains, and starchy foods may support antioxidant defenses, metabolic health, and exercise recovery.

13 Jul, 2026

Brain Bites

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.

13 Jul, 2026

Science Spotlight

Not Everything in Women’s Training Comes Down to the Menstrual Cycle

Does the menstrual cycle dictate women’s training? Explore the evidence on cycle syncing, strength, nutrition, energy availability and performance.

13 Jul, 2026

Performance Nutrition

8K, Sleds and Wall Balls: Why HYROX Nutrition Takes More Than Coffee and Gels

HYROX nutrition takes more than caffeine and gels. Learn how to fuel 8 km of running, sleds and functional stations with practical race-day strategies.

Showing 57 to 64 of 221 results

09 Dec, 2025

Performance Nutrition

How Different Is EAA Fortification Versus Amino Spiking?

In the protein supplement industry, ill-intentioned manufacturers engage in deceptive practices such as amino spiking (also known as nitrogen or protein spiking).

09 Dec, 2025

Performance Nutrition

DIAAS, A Modern Approach to Assessing Protein Quality

Protein is an essential macronutrient required for various physiological processes, including muscle growth, repair, enzyme production, and immune function.