All Articles
GPNi® Career Insights | Start Before You Feel Ready
Undergraduate researcher Megan Kelly reflects on mentorship, her first ISSN conference, and why athlete nutrition must remain individualized.
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.
After GLP-1 Weight Loss: What Happens When Appetite Comes Back?
What happens after GLP-1 weight loss? Explore the evidence on weight regain, nutrition, lean mass, exercise and the role—and limits—of sports supplements.
International society of sports nutrition position stand: β-hydroxy-β-methylbutyrate (HMB)
The International Society of Sports Nutrition (ISSN) bases the following position stand on an analysis of the literature regarding the effects of β-Hydroxy-β-Methylbutyrate (HMB).
International Society of Sports Nutrition Position Stand: Long-Chain Omega-3 Polyunsaturated Fatty Acids
This position stand is intended to provide a scientific foundation for athletes, dietitians, trainers, and other practitioners regarding the effects of supplemental ω-3 PUFA in healthy and athletic populations.
Common questions and misconceptions about caffeine supplementation: what does the scientific evidence really show?
Despite the vast amount of available data, it is intriguing that uncertainties persist regarding the effectiveness and safety of caffeine.
International society of sports nutrition position stand: coffee and sports performance
Coffee can serve as a vehicle for other dietary supplements, and it can interact with nutrients in other foods.
International Society of Sports Nutrition Position Stand: Effects of essential amino acid supplementation on exercise and performance
The International Society of Sports Nutrition (ISSN) presents this position based on a critical examination of literature surrounding the effects of essential amino acid (EAA) supplementation on skeletal muscle maintenance and performance.
GPNi June Webinar: Peptides Are Everywhere. What Actually Matters?
Join GPNi’s free June webinar on peptides, GLP-1 therapy, and nutrition support, featuring expert insights on regulation, performance nutrition, and metabolic health.
The 4Ps of Competition Nutrition: A GPNi Perspective on Building Performance Before the Start Line
Performance does not start at the whistle. Learn how the 4Ps framework helps athletes plan nutrition before and during competition for better fueling, hydration, and execution.
From Knowledge to Confidence: My CISSN Journey with GPNi
Discover how GPNi’s CISSN course helped a sports nutrition professional build confidence, apply evidence-based knowledge, and connect with a global community.
CEC Guide | Have You Earned Enough Continuing Education Credits This Year?
Learn why continuing education credits matter for sports nutrition professionals, how GPNi’s CEC policy works, and what you need to do to maintain your certification and stay current in the industry.
Preventing Low Energy Availability (LEA) in Adolescent Female Athletes: A Sports Nutrition Perspective
An ISSN educational recap from GPNi: what LEA and REDs are, why adolescence is high-risk (bone + hormones), red flags, screening tools, and prevention steps.
Word From the Founder: The “Passport Test” That Changed How I Think About Sports Nutrition Careers
Drew Campbell, CISSN shares the “Passport Test” for sports nutrition careers—and why GPNi® is the only global, ISSN-backed pathway with real network access.
A Word From the Founder - Why Sports Nutrition Knowledge (and Network) Is the Path to Earning More
If there is one truth I’ve learned in more than 30 years in the sports nutrition and fitness world, it is this:
A Word From the Founder of GPNi® - Where Real Sports Nutrition Begins
Today all over the world, people are looking for answers to the questions of the field of sports nutrition, performance and overall health.
Article Categories
Insights from PhDs
Words from Chairman
Student Testimonials
Science Spotlight
Career News
Brain Bites
Webinars & Conferences
Performance Nutrition
Journal & Research
Trending Articles
International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine
May 15,2025
International Society of Sports Nutrition position stand: protein and exercise
May 15,2025
International society of sports nutrition position stand: Beta-Alanine
May 15,2025
How to Look Full, Dry, and Stage-Ready: Dehydrate or Not?
Nov 25,2025
Reassessing Yeast Protein as an Alternative Protein Source
Mar 06,2026
Find us on
Subscription
Subscribe to our newsletter and receive a selection of cool articles every week
Follow us on Instagram
Stay connected and get the latest updates.
Instagram
Facebook
YouTube
Twitter
Linkedin
