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The effectiveness of protein supplements on athletic performance and post-exercise recovery − a Bayesian multilevel meta-analysis of randomized controlled trials
The effects of protein supplementation on athletic performance and post-exercise recovery appear to be limited.
A comprehensive review of the physiology and evidence base to guide the use of ergogenic and medical supplements for enhanced cycling performance
A growing body of evidence supports the use of supplements to enhance cycling performance through both direct and indirect mechanisms.
Creatine supplementation and resistance training: a comparison between novice and experienced lifters - a systematic review and dose-response meta-analysis
Creatine (Cr) supplementation is well established for enhancing fat-free mass (FFM) when combined with resistance training (RT). However, the influence of prior training experience on supplementation efficacy remains unknown.
International Society of Sports Nutrition position stand: effects of dietary antioxidants on exercise and sports performance
The International Society of Sports Nutrition (ISSN) has developed an official position on the role of dietary antioxidants in exercise and sport.
Similar effects between animal-based and plant-based protein blend as complementary dietary protein on muscle adaptations to resistance training: findings from a randomized clinical trial
Complementing dietary protein intake with either a blend of plant- or an animal-based protein similarly supported resistance training-induced muscle adaptations.
GPNi® Career Insights | More Than 15 Years In, He Is Still Figuring Things Out
Erik Bustillo shares an honest view of career uncertainty, scientific communication, ethics, networking, and long-term credibility in sports nutrition.
GPNi® Career Insights | One Career, Many Paths Through Sports Nutrition
Dr. Guillermo Escalante shows how sports medicine, nutrition, research, teaching, business, and professional leadership can form one career.
GPNi® Career Insights | From a Student Poster to the ISSN Stage
Dr. Cassie Evans reflects on moving from a nervous student poster presenter to the ISSN stage, and why asking for opportunities matters in sports nutrition.
GPNi® Career Insights | One Career, Many Paths Through Sports Nutrition
Dr. Guillermo Escalante shows how sports medicine, nutrition, research, teaching, business, and professional leadership can form one career.
GPNi® Career Insights | She Didn't Wait for the Perfect Role. She Built Her Own.
Jackie Kaminski explains how a competitive UFC internship, real-world experience, and professional relationships helped her build The Fight Nutritionist.
GPNi® Career Insights | He Didn't Just Enter the Field. He Helped Build It.
ISSN co-founder Dr. Jose Antonio reflects on helping build sports nutrition as a profession, the value of face-to-face connection, and why career growth is an endurance test.
PNE Level-1 + ISSN-SNS or PNE Level-2 Masters + CISSN: Which Pathway Fits You?
Compare GPNi PNE Level-1 + ISSN-SNS and PNE Level-2 Masters + ISSN-CISSN pathways, including depth, application and career fit.
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.
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.
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.
GPNi Peptides Webinar Recap: Why Peptides Are Not Just Another Supplement
On June 18, GPNi hosted a special live webinar and podcast recording on site at the ISSN 2026 Annual Conference. The topic was simple on the surface, but much more complex once the discussion began: peptides.
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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
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