Are electrolyte powders actually improving your workouts, or are most bodybuilders paying for something they don't need?In this episode of the J3 University Podcast, we break down the science behind electrolytes, hydration, sodium, potassium, magnesium, sweat loss, and resistance training. We explain when electrolyte supplements can improve performance, when plain water is enough, and the few situations where adding extra sodium actually makes sense during contest prep or training in extreme heat.If you're a bodybuilder, physique athlete, or coach looking to optimize hydration and performance without wasting money on unnecessary supplements, this episode gives you the evidence-based answer.If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week.🎟️ Save 20% on ANY J3U Program with code J3UPOD👉 https://j3u.site🎓 CoursesLevel 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1Applied Hypertrophy Optimization → https://j3u.site/ahoFemale Physique Module → https://j3u.site/femaleAll J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe🏆 Olympia Prep: https://j3u.site/olympia🏋️ Get Coaching From J3Uhttps://j3u.site/coaching💪 Join the Community📩 Weekly education emails → https://j3u.site/newsletter🧠 Coaching forums → https://j3u.site/forum👨‍⚕ Marek HealthComprehensive blood work analysis and professional medical guidance10% off your first comprehensive J3U panel + additional markersCode: J3UAffiliate link: https://marekhealth.com/J3UFollow Luke https://www.instagram.com/noswitchfitness?igsh=MTQydDN2bzF4c3oxYw==Follow Johnhttps://www.instagram.com/johnjewett3?igsh=cDgyd2N2YnI1dXoy