Cover image of show J3 University

J3 University

Podcast by John Jewett III

English

Technology & science

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About J3 University

J3 University is an online education and coaching service made for bodybuilding and physique enhancement. Our podcast interviews experts in the field of research and coaching to bridge the gap between science and in the trench experience. Come and empower yourself to a higher level of physique development.

All episodes

100 episodes
episode Why Your Training Program Isn't Working | J3U Podcast Ep. 219 artwork

Why Your Training Program Isn't Working | J3U Podcast Ep. 219

Most lifters aren’t failing because they’re lazy—they’re failing because their training is overcomplicated.   In this episode, we break down what actually drives hypertrophy and why chasing complexity is killing your progress. We will show you how to simplify your training so you can execute better, progress faster, and actually build muscle.   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 [https://j3u.site] All J3U Programs 🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass [https://j3u.site/hourglass] 💪 X-Frame (Male & Female): https://j3u.site/xframe [https://j3u.site/xframe] 🏆 Olympia Prep: https://j3u.site/olympia [https://j3u.site/olympia] 🎓 Courses Level 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1 [https://j3u.site/level1] Applied Hypertrophy Optimization → https://j3u.site/aho [https://j3u.site/aho] Female Physique Module → https://j3u.site/female [https://j3u.site/female] 🏋️ Get Coaching From J3U https://j3u.site/coaching [https://j3u.site/coaching] 💪 Join the Community 📩 Weekly education emails → https://j3u.site/newsletter [https://j3u.site/newsletter] 🧠 Coaching forums → https://j3u.site/forum [https://j3u.site/forum]

29 Mar 2026 - 38 min
episode Should Bodybuilders Use Retatrutide? The Real Pros and Cons | J3U Podcast Ep 218 artwork

Should Bodybuilders Use Retatrutide? The Real Pros and Cons | J3U Podcast Ep 218

Retatrutide is getting a ton of attention in bodybuilding, but most people still do not understand where it actually fits. In this episode, we break down how it works, where it may help during contest prep or post-show, and where it can absolutely hurt performance, peak week accuracy, recovery, and muscle retention. We also cover real-world dosing considerations, side effects, and why this is a tool for specific cases, not a shortcut every physique athlete should jump on. 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 [https://j3u.site] All J3U Programs 🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass [https://j3u.site/hourglass] 💪 X-Frame (Male & Female): https://j3u.site/xframe [https://j3u.site/xframe] 🏆 Olympia Prep: https://j3u.site/olympia [https://j3u.site/olympia] 🎓 Courses Level 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1 [https://j3u.site/level1] Applied Hypertrophy Optimization → https://j3u.site/aho [https://j3u.site/aho] Female Physique Module → https://j3u.site/female [https://j3u.site/female] 🏋️ Get Coaching From J3U https://j3u.site/coaching [https://j3u.site/coaching] 💪 Join the Community 📩 Weekly education emails → https://j3u.site/newsletter [https://j3u.site/newsletter] 🧠 Coaching forums → https://j3u.site/forum [https://j3u.site/forum]

22 Mar 2026 - 41 min
episode How Often Should You Change Your Workout Split? | J3U Podcast 217 artwork

How Often Should You Change Your Workout Split? | J3U Podcast 217

How often should you actually change your workout split — and is switching too soon killing your progress? In this episode, we break down the real science behind exercise rotation vs. repeatability, including what a 2021 study revealed about regional muscle growth and whether variety actually builds more muscle. We cover how your experience level should dictate how often you rotate, which muscle groups genuinely need exercise variety and which don’t, and how to structure your upper/lower split so you’re covering full muscle actions without stacking injury risk over time.   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 [https://j3u.site] All J3U Programs 🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass [https://j3u.site/hourglass] 💪 X-Frame (Male & Female): https://j3u.site/xframe [https://j3u.site/xframe] 🏆 Olympia Prep: https://j3u.site/olympia [https://j3u.site/olympia] 🎓 Courses Level 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1 [https://j3u.site/level1] Applied Hypertrophy Optimization → https://j3u.site/aho [https://j3u.site/aho] Female Physique Module → https://j3u.site/female [https://j3u.site/female] 🏋️ Get Coaching From J3U https://j3u.site/coaching [https://j3u.site/coaching] 💪 Join the Community 📩 Weekly education emails → https://j3u.site/newsletter [https://j3u.site/newsletter] 🧠 Coaching forums → https://j3u.site/forum [https://j3u.site/forum]

15 Mar 2026 - 32 min
episode How to Fix Stalled Lifts for Hypertrophy | J3U Podcast Ep. 216 artwork

How to Fix Stalled Lifts for Hypertrophy | J3U Podcast Ep. 216

If your lifts stop progressing, the worst mistake you can make is assuming you’re actually stalled. In this episode, I walk through how I diagnose stalled training performance in physique athletes and why most plateaus are misidentified. I explain how recovery, fatigue, rep quality, split design, and exercise sequencing affect progression long before you need to change your program. By the end, you’ll know exactly how to troubleshoot stalled lifts without sabotaging hypertrophy. 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 [https://j3u.site] All J3U Programs 🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass [https://j3u.site/hourglass] 💪 X-Frame (Male & Female): https://j3u.site/xframe [https://j3u.site/xframe] 🏆 Olympia Prep: https://j3u.site/olympia [https://j3u.site/olympia] 🎓 Courses Level 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1 [https://j3u.site/level1] Applied Hypertrophy Optimization → https://j3u.site/aho [https://j3u.site/aho] Female Physique Module → https://j3u.site/female [https://j3u.site/female] 🏋️ Get Coaching From J3U https://j3u.site/coaching [https://j3u.site/coaching] 💪 Join the Community 📩 Weekly education emails → https://j3u.site/newsletter [https://j3u.site/newsletter] 🧠 Coaching forums → https://j3u.site/forum [https://j3u.site/forum]

5 Mar 2026 - 28 min
episode Most Lifters Don't Train Hard Enough | Steve Hall | J3U Podcast Ep. 215 artwork

Most Lifters Don't Train Hard Enough | Steve Hall | J3U Podcast Ep. 215

Most lifters aren’t limited by science — they’re limited by how hard they actually train. In this episode, we break down what truly drives hypertrophy from a real coaching perspective — beyond theory and into practical application. I sit down with Steve Hall to discuss evidence-based training, proximity to failure, deloads, volume management, and how advanced athletes actually keep progressing long term. If you’re serious about bodybuilding, coaching, or maximizing muscle growth, this conversation will challenge how you think about training. 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 [https://j3u.site] All J3U Programs 🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass [https://j3u.site/hourglass] 💪 X-Frame (Male & Female): https://j3u.site/xframe [https://j3u.site/xframe] 🏆 Olympia Prep: https://j3u.site/olympia [https://j3u.site/olympia] 🎓 Courses Level 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1 [https://j3u.site/level1] Applied Hypertrophy Optimization → https://j3u.site/aho [https://j3u.site/aho] Female Physique Module → https://j3u.site/female [https://j3u.site/female] 🏋️ Get Coaching From J3U https://j3u.site/coaching [https://j3u.site/coaching] 💪 Join the Community 📩 Weekly education emails → https://j3u.site/newsletter [https://j3u.site/newsletter] 🧠 Coaching forums → https://j3u.site/forum [https://j3u.site/forum]

4 Mar 2026 - 1 h 12 min
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En fantastisk app med et enormt stort udvalg af spændende podcasts. Podimo formår virkelig at lave godt indhold, der takler de lidt mere svære emner. At der så også er lydbøger oveni til en billig pris, gør at det er blevet min favorit app.
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