Your Cart
Loading

WHAT YOUR "GOLD STANDARD"

CERTIFICATION DIDN'T TEACH YOU


You passed the exam. Now learn the job.


You're certified. But your certification taught you to pass a test — not to coach a human.


Your textbook didn't cover the 47-year-old with bad knees, blood pressure medication, and 20 years of diet confusion.


It didn't teach you to answer real nutrition questions with confidence, or to program around injuries and actual lives. So you fake it, Google it, or avoid the question entirely.

Your clients can tell.


The Shift

The best trainers aren't the ones with the most letters after their name. They're the ones who understand how training and nutrition actually work — deeply enough to explain it simply, and simply enough to apply it daily.

This is 90 lessons across training, nutrition, recovery, supplements, and coaching psychology — built from 38 years of coaching real people and degrees in nutrition and physiology. Trainers who've gone through it keep saying the same thing: they learned more here than in their certification course.


What's Inside

The complete system, taught from the coach's chair — 90 lessons across 7 modules + the 16-lesson bonus vault:

  • Build Your Baseline (8 lessons) — assessments, why the scale lies, strength myths, baseline worksheet
  • Align Your Goals (9 lessons) — client psychology, stress-comfort cycle, plateau logic, breaking self-sabotage
  • Lift (15 lessons) — cardio trap, warm-ups, deadlift guide + troubleshooting, blueprints, programming after 50
  • Nutrition Alignment (15 lessons) — protein floor, plate framework, omega ratios, fueling, the Calorie Deficit Delusion trilogy
  • Nurture Recovery (7 lessons) — sleep, the 72-hour rule, active recovery, stress-cortisol, joints and tendons
  • Consider Supplements (11 lessons) — evidence-based guide: creatine, vitamin D, omega-3s, magnesium, NAC, label reading
  • Execute Weekly (9 lessons) — training blocks, double progression, training logs, the Minimum Week
  • + Bonus vault (16 lessons) — GLP-1 deep-dives, hidden sugar cheat sheet, metabolism myth, the Fitness Industry Graveyard


The Exam — 100 Questions. Pick Your Proof.

50 on nutrition. 50 on strength training. Covering the material your certification skipped. Two levels of rigor:

  • Standard — rigorous and jargon-free. Proves working mastery of the craft.
  • Very Advanced — written at master's-degree level. For trainers who want to prove elite mastery and separate themselves from everyone holding the same cert.


"Couldn't AI just teach me all this?"

Fair question. Here's the honest answer.

AI is only as good as what you ask it. And that's exactly the problem: you don't know what you don't know.


The 100 questions on the final exam? Most trainers wouldn't think to ask a single one of them — because they don't know these gaps exist. I know what to ask because I've spent 38 years in the classroom and the trenches, watching where real coaches get stuck with real clients. No prompt replaces that.


AI also gives you the average of the internet — including the myths. Half of what's published about fitness online is wrong, and AI will repeat it back with total confidence. This course was built to kill those myths, not recycle them.

And judgment — knowing when to push, when to back off, what to say to the client who's about to quit — that comes from reps. Thousands of them. With actual humans.


Use AI. It's a great tool. But a calculator doesn't make you a mathematician, and a chatbot doesn't make you a coach.

I've been doing this longer than most trainers have been alive. I might just know a little more.


Choose Your Level

The Course + Standard Exam — $997

  • All 90 lessons + the 16-lesson bonus vault
  • The 100-question standard exam


The Course + Very Advanced Exam — $1,997 (or 3 x $665)

  • Everything above
  • The master's-level 100-question exam


Who This Is For

New trainers who want to actually know their craft. Experienced trainers honest about their gaps.


Who This Isn't For

Trainers who think their certification taught them everything. This course will annoy you.


Your Coach

Duey holds degrees in nutrition and physiology and has spent 38 years in nutrition and strength training — coaching real people, not selling shortcuts.


Think your certification taught you everything? 100 questions say otherwise.

Duey Hadinger pictured with Dr. John Morrison, retired

Best reference for Dushawn (Duey) Hadinger from: ​ Dr. John Morrisson, Columbus, Ohio

Credentials:

  • Dean of Upstate Medical Center, Chicago--10 years
  • Dean of health sciences, at-- Chicago--15 years
  • Head of biology at Cleveland State--5 years
  • Professor in biology and physiology and head of biology at Kent State, Ohio--15 years

RETIRED, BUT STILL WRITING BOOKS

Experience with Dushawn (Duey) Hadinger:

Duey, (that is what I call him) is one of my best learning sponges and teachers. As a former professor and head of biology and medical departments, I am still amazed on how much Duey has taught me about ingredients, formulations and the physiology of how nutritional strategies, supplements and specific exercise regimens work in the body and brain.

Duey and I are currently working on a scientific research paper that will be published in a medical journal, on how Atherosclerosis and epigenetic factors contribute to prostate cancer. Duey gave me the epigenetic angle on this, and I incorporated that heavily in our paper.

Duey and I enjoy coffee 3 times a week, and I consider him a great friend.

Duey is extremely intelligent and passionate about getting people life changing and lasting results. You can be assured that his knowledge of nutrition, nutritional supplementation and physical training is second to none. I have also never seen anyone so disciplined and accountable for his own physical health.