All Articles

Discover how GPNi’s CISSN course helped a sports nutrition professional build confidence, apply evidence-based knowledge, and connect with a global community.

Discover the role of hormone-sensitive lipase in lipolysis, fat metabolism, and aerobic energy production, and why it matters in exercise physiology and sports nutrition.

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.

Learn how beta-carotene supports athletes and active people through its role in antioxidant defense, immunity, vision, and overall recovery. Explore the best vegetable sources of beta-carotene.

A practical guide to respiratory exchange ratio (RER), carbohydrate vs fat use during exercise, and why RER above 1.0 usually appears during hard efforts.

Learn the real difference between a sports nutritionist and a general nutritionist, why behavior change matters, and how sports nutrition professionals build client-centered plans for performance, recovery, and body composition.

A practical guide to vegetarian sports nutrition: why protein is not the only concern, how amino acid complementation works, and why vitamin B12, iron, and zinc matter for performance and recovery.

Worried about losing muscle during fat loss? Learn how to maintain muscle while cutting through smart nutrition, strength training, recovery, and stress control.

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.

A two-decade journey in sports nutrition education: Steven Shen on building teaching systems, connecting with ISSN-aligned standards, and guiding supplement use responsibly.