Dr. Joe Klemczewski

The Diet Doc Podcasts

Health EN ↓ 500 episodes

The Diet Doc, LLC, is the parent company to many health, fitness, nutrition, and behavioral projects. Founded 25 years ago by Joe Klemczewski, PhD, known as the Godfather of Flexible Dieting, The Diet Doc is equipping the next generation of nutrition coaches. Joe has created the Flexible Dieting Institute, the Nutrition Coaching Global Mastermind, The Mind-Muscle Connection Podcast, and Contest Prep University. Whether you're listening to a podcast or interview as a life transformation client, a physique sport competitor, a performance athlete, a fitness entrepreneur, or just need some life mo...

Author

Dr. Joe Klemczewski

Category

Health

Podcast website

TheDietDoc.com

Latest episode

Jul 20, 2025

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Episodes

FLEXIBLE DIETING INSTITUTE Research Reviews - 59: Self-Efficacy 04.02.2023

Joe Klemczewski, PhD, founder of The Diet Doc, LLC, began teaching macronutrient tracking as a diet method more than 25 years ago to give his clients the flexibility to eat the foods they like without restrictive, harmful dieting practices. Writing for top fitness magazines and coaching the world's best physique competitors, Joe's version of tracking macros spawned an entire industry shift and bec...

WHEN IT GOES TOO FAR: TECH - CONTEST PREP UNIVERSITY #527 04.02.2023

Too much of a good thing...you know. How can such a seemingly healthy, worthy, competitive endeavor be the worst thing you've ever done? Are there parts of the hardcore fitness life that might drive you to despise it or incur harm? Listen in as Adam and Joe break down pitfalls you should avoid! CONTEST PREP UNIVERSITY - THE SCIENCE OF STAGE-READY Joe Klemczewski, PhD, founder of THE DIET DOC and l...

THE MIND-MUSCLE CONNECTION - Ep 46: Experience 03.02.2023

It's becoming more common for people to say they value experience over material things. A valiant goal indeed, but not always easy. The hardcore fitness community knows you can't think or study your way to better aesthetics or performance. It takes reps, tension, and time. But do we apply the same priorities to other areas of life? Listen in as Tyler and Joe discuss what it can mean to look back o...

HOW TO TRACK MACROS EASILY - THE FLEXIBLE DIETING PODCAST - EP 3 03.02.2023

𝙁𝙇𝙀𝙓𝙄𝘽𝙇𝙀 𝘿𝙄𝙀𝙏𝙄𝙉𝙂 𝙞𝙨 𝙚𝙖𝙩𝙞𝙣𝙜 𝙩𝙝𝙚 𝙛𝙤𝙤𝙙𝙨 𝙮𝙤𝙪 𝙬𝙖𝙣𝙩 𝙞𝙣 𝙩𝙝𝙚 𝙖𝙢𝙤𝙪𝙣𝙩𝙨 𝙮𝙤𝙪 𝙣𝙚𝙚𝙙 𝙩𝙤 𝙨𝙩𝙖𝙮 𝙖𝙡𝙞𝙜𝙣𝙚𝙙 𝙬𝙞𝙩𝙝 𝙮𝙤𝙪𝙧 𝙝𝙚𝙖𝙡𝙩𝙝, 𝙫𝙖𝙡𝙪𝙚𝙨 𝙖𝙣𝙙 𝙜𝙤𝙖𝙡𝙨. Joe Klemczewski, PhD, was the original founder of macronutrient tracking and Flexible Dieting as a methodology. Often called The Godfather of Flexible Dieting, Klemczewski began licensing nutrition coaches more than 20 years ago, which became the origin of the personal nutritio...

WHEN IT GOES TOO FAR: SUPPLEMENTS - CONTEST PREP UNIVERSITY #526 03.02.2023

Too much of a good thing...you know. How can such a seemingly healthy, worthy, competitive endeavor be the worst thing you've ever done? Are there parts of the hardcore fitness life that might drive you to despise it or incur harm? Listen in as Adam and Joe break down pitfalls you should avoid! CONTEST PREP UNIVERSITY - THE SCIENCE OF STAGE-READY Joe Klemczewski, PhD, founder of THE DIET DOC and l...

WHEN IT GOES TOO FAR: DIETING EXTREMISM - CONTEST PREP UNIVERSITY #525 02.02.2023

Too much of a good thing...you know. How can such a seemingly healthy, worthy, competitive endeavor be the worst thing you've ever done? Are there parts of the hardcore fitness life that might drive you to despise it or incur harm? Listen in as Adam and Joe break down pitfalls you should avoid! CONTEST PREP UNIVERSITY - THE SCIENCE OF STAGE-READY Joe Klemczewski, PhD, founder of THE DIET DOC and l...

A FLEXIBLE DIETING PROCESS - THE FLEXIBLE DIETING PODCAST - EP 2 02.02.2023

𝙁𝙇𝙀𝙓𝙄𝘽𝙇𝙀 𝘿𝙄𝙀𝙏𝙄𝙉𝙂 𝙞𝙨 𝙚𝙖𝙩𝙞𝙣𝙜 𝙩𝙝𝙚 𝙛𝙤𝙤𝙙𝙨 𝙮𝙤𝙪 𝙬𝙖𝙣𝙩 𝙞𝙣 𝙩𝙝𝙚 𝙖𝙢𝙤𝙪𝙣𝙩𝙨 𝙮𝙤𝙪 𝙣𝙚𝙚𝙙 𝙩𝙤 𝙨𝙩𝙖𝙮 𝙖𝙡𝙞𝙜𝙣𝙚𝙙 𝙬𝙞𝙩𝙝 𝙮𝙤𝙪𝙧 𝙝𝙚𝙖𝙡𝙩𝙝, 𝙫𝙖𝙡𝙪𝙚𝙨 𝙖𝙣𝙙 𝙜𝙤𝙖𝙡𝙨. Joe Klemczewski, PhD, was the original founder of macronutrient tracking and Flexible Dieting as a methodology. Often called The Godfather of Flexible Dieting, Klemczewski began licensing nutrition coaches more than 20 years ago, which became the origin of the personal nutritio...

WHAT IS FLEXIBLE DIETING? THE FLEXIBLE DIETING PODCAST - EP 1 01.02.2023

𝙁𝙇𝙀𝙓𝙄𝘽𝙇𝙀 𝘿𝙄𝙀𝙏𝙄𝙉𝙂 𝙞𝙨 𝙚𝙖𝙩𝙞𝙣𝙜 𝙩𝙝𝙚 𝙛𝙤𝙤𝙙𝙨 𝙮𝙤𝙪 𝙬𝙖𝙣𝙩 𝙞𝙣 𝙩𝙝𝙚 𝙖𝙢𝙤𝙪𝙣𝙩𝙨 𝙮𝙤𝙪 𝙣𝙚𝙚𝙙 𝙩𝙤 𝙨𝙩𝙖𝙮 𝙖𝙡𝙞𝙜𝙣𝙚𝙙 𝙬𝙞𝙩𝙝 𝙮𝙤𝙪𝙧 𝙝𝙚𝙖𝙡𝙩𝙝, 𝙫𝙖𝙡𝙪𝙚𝙨 𝙖𝙣𝙙 𝙜𝙤𝙖𝙡𝙨. Joe Klemczewski, PhD, was the original founder of macronutrient tracking and Flexible Dieting as a methodology. Often called The Godfather of Flexible Dieting, Klemczewski began licensing nutrition coaches more than 20 years ago, which became the origin of the personal nutritio...

THE MIND-MUSCLE CONNECTION - Ep 45: Forgiveness 30.01.2023

Two nutrition, health, and contest prep coaches talking about forgiveness - how weird is that? Before you scroll away, consider why you train or pursue aggressive fitness. Maybe even physique or strength sport. Is part of it to make yourself more...acceptable? Insulate yourself from criticism or insecurity? There may be a couple of layers to explore that make your fitness life more fun, positive,...

FLEXIBLE DIETING INSTITUTE Research Reviews - 58: Placebo Effect 28.01.2023

Joe Klemczewski, PhD, founder of The Diet Doc, LLC, began teaching macronutrient tracking as a diet method more than 25 years ago to give his clients the flexibility to eat the foods they like without restrictive, harmful dieting practices. Writing for top fitness magazines and coaching the world's best physique competitors, Joe's version of tracking macros spawned an entire industry shift and bec...

DIET METHOD: FLEXIBLE DIETING - CONTEST PREP UNIVERSITY #524 23.01.2023

Everyone has tried a few diets on for size. Does this one fit me better than that one? God knows we can find any "expert" to tell us why the one we like is best. But... let's say it together: What does the science show? Dive in with Joe and Adam and see how the most popular diet methodologies stack up! CONTEST PREP UNIVERSITY - THE SCIENCE OF STAGE-READY Joe Klemczewski, PhD, founder of THE DIET D...

DIET METHOD: VEGETARIAN - CONTEST PREP UNIVERSITY #523 21.01.2023

Everyone has tried a few diets on for size. Does this one fit me better than that one? God knows we can find any "expert" to tell us why the one we like is best. But... let's say it together: What does the science show? Dive in with Joe and Adam and see how the most popular diet methodologies stack up! CONTEST PREP UNIVERSITY - THE SCIENCE OF STAGE-READY Joe Klemczewski, PhD, founder of THE DIET D...

FLEXIBLE DIETING INSTITUTE Research Reviews - 57: Childhood Obesity II 20.01.2023

Book recommended by Dr. Jen Souders: https://www.amazon.com/Fat-Chance-Beating-Against-Processed/dp/0142180432 Joe Klemczewski, PhD, founder of The Diet Doc, LLC, began teaching macronutrient tracking as a diet method more than 25 years ago to give his clients the flexibility to eat the foods they like without restrictive, harmful dieting practices. Writing for top fitness magazines and coaching t...

DIET METHOD: LOW-FAT - CONTEST PREP UNIVERSITY #522 20.01.2023

Everyone has tried a few diets on for size. Does this one fit me better than that one? God knows we can find any "expert" to tell us why the one we like is best. But... let's say it together: What does the science show? Dive in with Joe and Adam and see how the most popular diet methodologies stack up! CONTEST PREP UNIVERSITY - THE SCIENCE OF STAGE-READY Joe Klemczewski, PhD, founder of THE DIET D...

THE MIND-MUSCLE CONNECTION - Ep 44: Using Negativity 20.01.2023

People begin with a negativity bias, a self-protective fear filter that keeps the world at arm's length. Some of us get too good at it and end up seeing only darkness and doom. Or we ignore it altogether and build layers of delusion. What if you could use negativity as a force to propel yourself toward the best things in life? Let it steer and power you to reach goals? Listen in as Joe and Tyler c...

DIET METHOD: PALEO & CARNIVORE - CONTEST PREP UNIVERSITY #521 19.01.2023

Everyone has tried a few diets on for size. Does this one fit me better than that one? God knows we can find any "expert" to tell us why the one we like is best. But... let's say it together: What does the science show? Dive in with Joe and Adam and see how the most popular diet methodologies stack up! CONTEST PREP UNIVERSITY - THE SCIENCE OF STAGE-READY Joe Klemczewski, PhD, founder of THE DIET D...

DIET METHOD: KETO/LOW-CARB - CONTEST PREP UNIVERSITY #520 18.01.2023

Everyone has tried a few diets on for size. Does this one fit me better than that one? God knows we can find any "expert" to tell us why the one we like is best. But... let's say it together: What does the science show? Dive in with Joe and Adam and see how the most popular diet methodologies stack up! CONTEST PREP UNIVERSITY - THE SCIENCE OF STAGE-READY Joe Klemczewski, PhD, founder of THE DIET D...

FLEXIBLE DIETING INSTITUTE Research Reviews - 56: Childhood Obesity I 14.01.2023

Joe Klemczewski, PhD, founder of The Diet Doc, LLC, began teaching macronutrient tracking as a diet method more than 25 years ago to give his clients the flexibility to eat the foods they like without restrictive, harmful dieting practices. Writing for top fitness magazines and coaching the world's best physique competitors, Joe's version of tracking macros spawned an entire industry shift and bec...

CONTEST PREP UNIVERSITY - FEATURE: YOUR COACH SHOULD__________ 11.01.2023

You have options. Good options. In a maturing coaching industry that reflects every other unregulated occupation, the talent pool ranges from unbelievably high-quality and over-qualified to literal murderers. Google it. Multiple coaches have killed young, healthy clients because of their malpractice, ignorance, and arrogance. Others suffer shame and humiliation from abusive coaches. You don't just...

FLEXIBLE DIETING INSTITUTE Research Reviews - 55: Resolutions 07.01.2023

Joe Klemczewski, PhD, founder of The Diet Doc, LLC, began teaching macronutrient tracking as a diet method more than 25 years ago to give his clients the flexibility to eat the foods they like without restrictive, harmful dieting practices. Writing for top fitness magazines and coaching the world's best physique competitors, Joe's version of tracking macros spawned an entire industry shift and bec...

CONTEST PREP UNIVERSITY - FEATURE: PLANNING YOUR PREP 06.01.2023

As soon as that calendar flips over to January 1 - even weeks prior - clients start asking about how to best map out their season. Listen in as Adam and Joe discuss the key variables to make sure you are ready for your best year on stage! CONTEST PREP UNIVERSITY - THE SCIENCE OF STAGE-READY Joe Klemczewski, PhD, founder of THE DIET DOC and legendary TEAM KLEMCZEWSKI PERFECT PEAKING, has joined Ada...

THE MIND-MUSCLE CONNECTION - Ep 43: Resolutions 06.01.2023

It's sad that New Year's resolutions end up as joke punchlines more times than not. We still gravitate strongly toward positive change for very good reasons. There are well-studied motive cues that attract us to the blank slate mentality of sharpening our behavior. We don't just want to do different things, we want to become different people. That's a good thing. Listen in as Joe and Tyler discuss...

THE MIND-MUSCLE CONNECTION - Ep 42: Acceptance 02.12.2022

Sometimes looking into our own futures makes us apprehensive. We fear losing what we love. As we enter that future, sometimes we hold onto things just because they are remnants of our identities and we're afraid of losing who we used to be, and all the things attached. But what if we view life as successful seasons enjoyed? What if we're okay leaving parts of us behind to find new identities? From...

THE MIND-MUSCLE CONNECTION - Ep 41: Service 11.11.2022

Not exactly clickbait, eh? "Hmm...I'm so excited to see what two coaches think about service to others, let's grab some popcorn!" But, man. Man, oh, man. The social capital and the glue that holds relationships together - and entire societies - is service. Other-centeredness. It would be an easy argument to prove that even your health and athletic pursuits depend on the relationships you build thr...

HOW TO WIN: BIKINI: CONTEST DAY - CONTEST PREP UNIVERSITY #519 08.11.2022

Joe and Adam continue their How to Win meta-series with a dive into the Bikini Division. How does prep and peaking differ compared to Figure of Bodybuilding divisions? Are there unique training strategies? What are judges looking for as the division matures, now branching off into new directions like Wellness? Listen in and snag some great advice and new perspective! CONTEST PREP UNIVERSITY: THE S...

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