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J3 University

J3 University

John Jewett III 100 Episodes Jul 20, 2026

J3 University is an online education and coaching service focused on bodybuilding and physique enhancement. The podcast features interviews with experts in research and coaching, aiming to bridge the gap between scientific knowledge and practical experience. Listeners can empower themselves to achieve higher levels of physique development.

Episodes

How Often Should You Train Each Muscle? (Science vs Reality) |  J3U Podcast Ep. 235
How Often Should You Train Each Muscle? (Science vs Reality) | J3U Podcast Ep. 235 Jul 20, 2026 1850 How often should you train each muscle for maximum muscle growth? The answer isn’t as simple as “twice a week.” In this episode, we break down the science behind training frequency, why more sessions don’t always produce more muscle, and how elite physique coaches actually decide when to increase—or decrease—training frequency. We also discuss volume, specialization phases, recovery, exercise sele
Electrolytes for Bodybuilding: Are You Wasting Money? | J3U Podcast Ep. 234
Electrolytes for Bodybuilding: Are You Wasting Money? | J3U Podcast Ep. 234 Jul 12, 2026 1479 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 sit
How Much Protein Do You Really Need to Build Muscle? | J3U Podcast Ep. 233
How Much Protein Do You Really Need to Build Muscle? | J3U Podcast Ep. 233 Jul 5, 2026 2436 Most lifters obsess over protein—but they're focusing on the wrong things. In this episode, we break down the biggest protein mistakes that can limit muscle growth, hurt digestion, and make your nutrition harder than it needs to be. We cover how much protein you actually need, whether trace protein counts, protein timing, meal frequency, whole foods vs shakes, and common bodybuilding myths that ar
Science-Based Lifting Has Gone Too Far (Here's Why) | J3U Podcast Ep. 232
Science-Based Lifting Has Gone Too Far (Here's Why) | J3U Podcast Ep. 232 Jul 3, 2026 2395 Has science-based bodybuilding started creating more myths than answers? In this episode, we break down five popular "science-based" training concepts that may be doing more harm than good when taken to extremes. We discuss training to failure, optimal exercise selection, volume, frequency, and stretch-mediated hypertrophy and explain what the research actually says versus how it's often interpret
⁠⁠Insulin vs Muscle Growth: What Really Builds Size in the Offseason | J3U Podcast Ep.231
⁠⁠Insulin vs Muscle Growth: What Really Builds Size in the Offseason | J3U Podcast Ep.231 Jun 21, 2026 1934 Everyone says insulin is the secret to getting huge, but is it actually necessary? In this episode, we break down the real role of insulin in bodybuilding, why many athletes are using it less than ever, and what actually drives muscle growth, nutrient partitioning, and offseason progress. We also discuss the few situations where insulin may make sense, plus the biggest mistakes that are destroying
Female Bodybuilding PEDs Explained (What Coaches Won’t Tell You) | J3U Podcast Ep. 230
Female Bodybuilding PEDs Explained (What Coaches Won’t Tell You) | J3U Podcast Ep. 230 Jun 14, 2026 2835 What female IFBB pros are actually using to turn pro might surprise you. In this episode, we break down the real PED protocols being used across Bikini, Wellness, Figure, and Women’s Bodybuilding — and why most female competitors are starting with the wrong approach. We cover HRT, DHT derivatives, Masteron vs Primo, escalation strategies, side effects, coaching mistakes, and what actually drives p
Staying or Switching? How to Choose Your Best Bodybuilding Division | J3U Podcast Ep. 229
Staying or Switching? How to Choose Your Best Bodybuilding Division | J3U Podcast Ep. 229 Jun 7, 2026 1526 How do you know when it’s time to move up a bodybuilding division—or if you’re competing in the wrong one entirely? In this episode, we break down how to choose the right bodybuilding division based on structure, physique potential, health, and long-term progress. We also talk through the hard reality of staying in a division too long, the mental side of chasing wins, and when moving up could actu
⁠How to Make Weight in Classic Physique Without Losing Muscle | J3U Podcast EP. 228
⁠How to Make Weight in Classic Physique Without Losing Muscle | J3U Podcast EP. 228 May 31, 2026 1852 How to make weight in Classic Physique without losing muscle, ruining your look, or sabotaging your contest prep. Making weight in Classic Physique is one of the hardest parts of contest prep — especially when you’re too big for your class. In this episode, we break down how to manage weight cap bodybuilding prep, when a physique athlete may need to move out of Classic, how to preserve muscle whil
⁠Should You Count Trace Protein? (Most Bodybuilders Get This Wrong) | J3U Podcast Ep. 227
⁠Should You Count Trace Protein? (Most Bodybuilders Get This Wrong) | J3U Podcast Ep. 227 May 26, 2026 1263 Are trace protein and trace macros actually ruining your macro tracking? In this episode, we break down whether bodybuilders should count trace protein, how meal frequency really impacts muscle growth, and why food variety may matter more than you think. We also dive into acne on cycle, high estrogen before a first cycle, and blood pressure management for enhanced athletes. If you want more episod
Best Training Split for Muscle Growth (Upper Lower vs PPL) | J3U Podcast Ep. 226
Best Training Split for Muscle Growth (Upper Lower vs PPL) | J3U Podcast Ep. 226 May 17, 2026 1869 Still stuck wondering if upper/lower or push-pull-legs is actually best for muscle growth? In this episode, we break down what actually matters when choosing a training split, how much volume you really need, and why the “best” split depends on your recovery, weak points, and goals. We also cover whether cardio hurts leg growth, how often to train body parts, and what to do if recovery or sleep is
Do You Actually Need More Gear to Grow? | J3U Podcast Ep. 225
Do You Actually Need More Gear to Grow? | J3U Podcast Ep. 225 May 10, 2026 1842 Most bodybuilders think they need more gear to grow… but that’s usually not the real problem. In this episode, we break down why many competitors stay stuck with the same physique year after year despite increasing PED doses. We cover offseason cycle design, lifestyle audits, recovery, GH use, side effects, and why better tracking often matters more than adding compounds. If your progress has stal
Why Most Bodybuilders Run Out Of Time In Prep | J3U Podcast  Ep.224
Why Most Bodybuilders Run Out Of Time In Prep | J3U Podcast Ep.224 May 4, 2026 1742 Your contest prep can start falling apart before you even enter a deficit. In this episode, we break down the pre-prep phase and why it matters for getting truly stage lean without scrambling at the end. We cover body composition starting point, health markers, lab work, training setup, and the behavioral standards that need to be locked in before prep begins. If you want more episodes like this —

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