J3 University

2026 Muscle Growth: Fixing the Mistakes Everyone Made Last Year | J3U Podcast Ep. 211

J3 University

Show Notes

2025 was supposed to be the most science-driven era of hypertrophy training — but instead, much of the “science-based” conversation turned into rigid dogma. In this episode, John Jewett and Luke unpack what actually happened, why black-and-white rules took over the internet, and what lifters and coaches should carry forward into 2026 if the goal is maximal muscle growth. They break down the biggest misapplications that dominated training discourse this year: the “4–8 reps only” narrative, confusion around training to failure, the misunderstood idea of “growing at maintenance,” and how lengthened partials became a one-size-fits-all prescription. The core message is clear — research is valuable, but only when applied with context. Exercise selection, fatigue management, skill level, risk tolerance, and long-term programming realities all matter if evidence is going to translate into real progress. This episode is a practical reminder that being truly science-minded doesn’t mean chasing rules — it means learning how to apply data intelligently in the real world. 🎟️ Save 20% on ANY J3U Program with code J3UPOD👉 https://j3u.site All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe🏆 Olympia Prep: https://j3u.site/olympia 🎓 CoursesLevel 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1Applied Hypertrophy Optimization → https://j3u.site/ahoFemale Physique Module → https://j3u.site/female 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 💪 Join the Community📩 Weekly education emails → https://j3u.site/newsletter🧠 Coaching forums → https://j3u.site/forum

More from J3 University

Oct 18, 2026

Most flat stage looks come from loading too late and cutting too much water. In this episode, we break down how we peaked two athletes for the 2026 Olympia: a Men's Physique competitor who came in about six pounds heavier, and a 212 competitor who held more fullness than last year. We cover aggressive carb loading, the carryover effect of food, and fluid on show day. If you're serious about competing, this will help you decide how hard to load in the days before your show, instead of chasing fullness all show day. 🎟️ 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/female All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 👨‍⚕ Marek HealthComprehensive blood work analysis and professional medical guidance10% off your first comprehensive J3U panel + additional markersCode: J3UAffiliate link: https://marekhealth.com/J3U

Oct 11, 2026

Most of what you hear about growth hormone in bodybuilding is a myth. In this episode, we break down the growth hormone myths you sent us on Instagram. We cover why GH shines alongside androgens rather than on its own, why it absolutely works for women in the right hormonal environment, and how to dose it without chasing diminishing returns. If you're serious about enhanced bodybuilding, this will help you decide when to bring growth hormone in, and how far to push it before the side effects outweigh the gains. 🎓 Free Level 1 MasterclassJohn and Luke are hosting a free live Level 1 Masterclass on how we turn the research into real training decisions. Save your spot:👉 https://j3u.site/masterclass 💪 Free J3U HubJoin the free J3U Hub for weekly education and coaching discussion:👉 https://j3u.site/hub-yt 🎟️ 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/female All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 👨‍⚕ Marek HealthComprehensive blood work analysis and professional medical guidance10% off your first comprehensive J3U panel + additional markersCode: J3UAffiliate link: https://marekhealth.com/J3U

Oct 4, 2026

No air conditioning, the wrong voltage and a tanner who can't understand you can cost you on show day. In this episode, we break down how to compete internationally after my shows in Austria and Germany. We cover managing heat and sweat when venues and hotels skip air conditioning, packing so you barely have to source food abroad, and timing your flight so you land with days to settle. If you're serious about stepping on a stage abroad, this helps you decide how early to fly and what to pack so the trip doesn't cost you your peak. Free Level 1 MasterclassJohn and Luke are hosting a free live Level 1 Masterclass on how we turn the research into real training decisions. Save your spot:https://j3u.site/masterclass Free J3U HubJoin the free J3U Hub for weekly education and coaching discussion:https://j3u.site/hub-yt Save 20% on ANY J3U Program with code J3UPODhttps://j3u.site CoursesLevel 1 Foundations of Evidence-Based Bodybuilding https://j3u.site/level1Applied Hypertrophy Optimization https://j3u.site/ahoFemale Physique Module https://j3u.site/female All J3U ProgramsHourglass (Female): https://j3u.site/hourglassX-Frame (Male & Female): https://j3u.site/xframe Get Coaching From J3Uhttps://j3u.site/coaching Weekly education emails https://j3u.site/newsletter Marek HealthComprehensive blood work analysis and professional medical guidance10% off your first comprehensive J3U panel + additional markersCode: J3UAffiliate link: https://marekhealth.com/J3U

Sep 27, 2026

Adding more sets to the same session is why your weak body part still will not grow. In this episode, we break down how to actually bring up a lagging muscle: picking the machine that fits your body instead of the lift you are attached to, training the weak part first in the session, and using frequency as the tool that lets you carry more quality volume. If you're serious about fixing a weak body part, this will change how you decide between adding another set and splitting that volume across another session. 🎓 Free Level 1 MasterclassJohn and Luke are hosting a free live Level 1 Masterclass on how we turn the research into real training decisions. Save your spot:👉 https://j3u.site/masterclass 💪 Free J3U HubJoin the free J3U Hub for weekly education and coaching discussion:👉 https://j3u.site/hub-yt 🎟️ 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/female All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe 🏋️ 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/J3U

Sep 13, 2026

When should you stop competing in bodybuilding, end your contest prep, or do another show? In this episode, Luke and I break down how to decide whether continuing your bodybuilding season is actually moving you toward your ultimate goal. We discuss judging feedback, whether your weaknesses are realistically fixable, the financial and health costs of extending contest prep, and when doing another show can actually be valuable. We also talk about the mental side of competing and how to make the decision without letting emotion dictate your next move. 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/female All 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/J3U Follow Luke https://www.instagram.com/noswitchfitness?igsh=MTQydDN2bzF4c3oxYw== Follow Johnhttps://www.instagram.com/johnjewett3?igsh=cDgyd2N2YnI1dXoy

See all episodes →