
Two inches off your waist reads like four or five more inches across your shoulders. In this episode, we break down how to build a smaller, better controlled waist for show day. We cover the core work and vacuum...


health
Hosted by John Jewett III · health · EN
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.
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Contact path
Public web form
Booking probability
32%
Guest openness
Selective
Sign up to generate a grounded pitch for J3 University.
Signup to Generate a PitchJ3 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.
J3 University is hosted by John Jewett III. The show has published 100 episodes to date.
Recent episodes include "Waist Trainer vs Core Training: What Really Shrinks Your Waist | J3U Podcast Ep. 249" (25 October 2026, 33 minutes), "Should You Restrict Water on Show Day? (Most Get This Wrong) | J3U Podcast Ep. 248" (18 October 2026, 42 minutes), and "Don't Make These Growth Hormone Mistakes Before Your Next Push Phase | J3U Podcast Ep. 247" (11 October 2026, 37 minutes).
J3 University publishes roughly weekly, with episodes averaging 32 minutes across 100 episodes.
Booking probability for J3 University is 32%, and the host is rated Selective on guests. J3 University requires a Pod Score of 80 or higher. J3 University's contact route on record: public web form.
The strongest fits for J3 University are Courses, Coaching & Lessons. J3 University has a health audience.
John Jewett III hosts J3 University, a health podcast with 100 episodes published.
Our AI reads these to draft pitches. Use them as grounding for a pitch that cites a real guest and a specific topic.

Two inches off your waist reads like four or five more inches across your shoulders. In this episode, we break down how to build a smaller, better controlled waist for show day. We cover the core work and vacuum...

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...

Episode #246
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...

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...

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...

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...

A bad bodybuilding show doesn’t mean your season is over. In this episode, we break down how to recover from a disappointing bodybuilding show and improve your physique for your next competition. We cover post-show...

Most competitors don't lose their physique during peak week, they lose it in the month leading up to the show. In this episode, we break down the biggest mistakes bodybuilders make during the final four weeks of contest...

Peak week isn't a one-size-fits-all process—and these IFBB pro case studies show exactly why. We break down what happened with our athletes at Texas Pro, including how we adjusted food, fluids, loading, stage-day weight...

Episode #239
The biggest mistake in bodybuilding often happens after the show—not during prep. In this episode, we break down the difference between reverse diets, recovery diets, and aggressive rebound phases, explaining when each...

Peak Week PEDs explained: what actually matters before stepping on stage. Too many bodybuilders make last-minute drug changes hoping for a harder look, but those decisions often make physiques worse. In this episode, we...

Episode #237
How to lose the last bit of body fat for contest prep without destroying your physique. Getting stage lean isn't about doing more cardio, eating less food, or throwing more supplements and drugs at the problem. In this...

Episode #236
Most lifters don't need a new workout—they need better exercise selection. In this episode, we break down the exact framework we use to evaluate every exercise in a bodybuilding program. We cover movement redundancy...

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...

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...

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...

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...

Episode #231
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...

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...

Episode #229
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...
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