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Safety of creatine supplementation: analysis of the prevalence of reported side effects in clinical trials and adverse event reports
Results demonstrate that Cr supplementation does not increase the prevalence or frequency of side effects when compared to participants ingesting PLA.
Paraxanthine provides greater improvement in cognitive function than caffeine after performing a 10-km run
This study examined whether ingestion of PX with and without CA affects pre- or post-exercise cognitive function.
Anti-inflammatory effects of nicotinamide mononucleotide (NMN) in human skeletal muscle after BFR-exercise
NMN supplementation, while inhibiting inflammatory signaling in exercised human skeletal muscle, may also suppress mitochondrial replenishment from phagocytes to repairing myofibers.
Creatine in women’s health: bridging the gap from menstruation through pregnancy to menopause
Creatine supplementation presents a promising strategy for enhancing various aspects of women’s health across the lifespan.
GPNi® Career Insights | A Career Across the Stage, the Gym, and the Industry
IFBB professional athlete Sara Willis explains how bodybuilding, personal training, pharmaceutical sales, and bioactive ingredients became one sports nutrition career.
GPNi® Career Insights | The Office Hours That Open Doors
Michelle K. Baker explains how anatomy, undergraduate research, faculty relationships, and ISSN shaped her path from exercise science to physical therapy.
GPNi® Career Insights | He Has Been at Every ISSN Conference
ISSN co-founder and past president Tim Ziegenfuss reflects on the field’s early scientific battles, 23 conferences, and the network that shaped his career.
Does a Ketogenic Diet Improve Athletic Performance? What the Evidence Actually Shows
Does a ketogenic diet improve athletic performance? Explore what current evidence says about fat oxidation, exercise economy, training quality and sport-specific performance.
GPNi® Career Insights | The Conference Trip That Became a Career Investment
Professor Grant Tinsley explains how a last-minute ISSN trip helped build research collaborations, career relationships, and more than a decade of professional growth.
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.
GPNi Webinar | Before He Built Fighters, He Had to Become One
Mark Timms will appear in Building a Global Career: Combat Sports, Sports Nutrition & Life in China, hosted by Drew Campbell with Dr. Reid Reale.
GPNi Webinar | When the Scale Is Only the Beginning
Dr. Reid Reale will appear in Building a Global Career: Combat Sports, Sports Nutrition & Life in China, hosted by Drew Campbell with Mark Timms.
GPNi Webinar | Building a Global Career: Combat Sports, Sports Nutrition & Life in China
On 22 September, Mark Timms and Dr. Reid Reale will take us inside that journey—from the changing room to the research lab, from fighter to coach, and from home to a life built in China.
GPNi® Career Insights | Students Are Not Outside the Profession. They Are Its Future.
Dr. K. Michelle Singleton discusses sports nutrition education, athlete recovery, student research, mentorship, and why young professionals should reach out sooner.
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.
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