The Fittest Doc

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The Fittest Doc 👨🏾‍⚕️I help professionals improve metabolic health using data-centric science focused on hormones 🧬 ⁣

➡️I only respond to DMs and comments on IG⬅️

10/29/2026

The 40 pounds she lost is not the most impressive part of this story.

And I do not say that to diminish it.

She is 58.

She trains like an athlete after 12-hour work shifts.

She rolls 10 to 15 hours a week on a bike, stacks gold medals at the Senior Olympics, and recovers from a level of stress that MOST people use as their reason to quit.

But here is what the world keeps getting wrong about transformation: everyone obsesses over the weight loss.

The weight loss is a SIDE effect.

“I don’t have time.”

“I’m too old for that.”

“I’ll start when things calm down.”

Things are not going to calm down.

That is the lie comfort keeps telling you so you never have to change.

She heard those same excuses.

She just decided they did not apply to her.

She does not chase fat loss.

She chases structure.

She chases discipline.

And her body has no choice but to respond.

She dropped 40 pounds without ever making weight loss the goal.

Experience confirms what I have always known as a physician: you do not need another diet.

You do not need another supplement stack.

You need one area of your life where you refuse to negotiate with yourself.

Discipline in one area does not stay contained.

It bleeds into your parenting, your work, your relationships, your self-respect.

She became a better mother, a better teammate, a better coworker.

Not because she chased any of that.

But because the discipline rewired how she showed up everywhere.

So here is my question for you, and I want a real answer:

What is the one area of your life where you keep choosing comfort and calling it patience?

Share this with those you care about most.

🫶🏾 Dr. Nick



📸: 58fitandfabulous (IG)

Your BMI is not measuring your metabolic risk. It is measuring your relationship with gravity.Most people are told their...
10/29/2026

Your BMI is not measuring your metabolic risk. It is measuring your relationship with gravity.

Most people are told their weight is normal and assume their metabolic health is fine. That assumption is missing the number that actually predicts insulin resistance.

BMI cannot tell you where your fat lives. And location is everything.

Visceral fat - packed around your heart, liver, pancreas, and intestines - releases free fatty acids directly into your portal vein, flooding your liver with lipids that trigger hepatic insulin resistance...
..it secretes inflammatory cytokines that impair insulin signaling. And it suppresses adiponectin - the hormone that keeps your cells insulin-sensitive.

You can have a normal BMI and carry dangerous visceral fat. Your scale will never show it.

In a 2017 study of 5,983 US adults (PMID 28812029), HOMA-IR rose in a dose-response pattern across body fat categories - even within normal BMI ranges.

In a 2019 DXA study (PMID 30064815), android and visceral fat were more closely associated with insulin resistance than BMI alone.

Save this post now so that you never forget the “Visceral Fat Reset Protocol” and send the post to friends/family who need this information too.

If you want a much more convenient & rapidly effective option than the “Visceral Fat Reset Protocol” alone, the Minimal Viable Solution (MiVS) Protocol is the simple system that I’ve both built and use daily, comprised of multiple lifestyle change digital product solutions centered squarely around a cornerstone of two plant-based products, that collectively serves to address visceral-fat-driven insulin resistance and support healthy body composition.

🌿 Patented formula
🌿 HSA/FSA eligible
🌿 Physician’s Desk Reference listed (so YOUR doctor can look it up)
🌿 Validated by an extensive body of independent clinical research

Simple to use. One daily habit.

If you want the details on the exact plant-based products system that I use myself daily, that addresses visceral-fat-driven insulin resistance and supports healthy body composition, follow me & comment ‘VISCERAL’ below 👇🏾

🫶🏾 Dr. Nick

Your child didn’t become obese on their own.They’re eating what’s given, mirroring what’s modeled.The extra weight?That’...
10/29/2026

Your child didn’t become obese on their own.

They’re eating what’s given, mirroring what’s modeled.

The extra weight?

That’s not their fault—it’s the environment YOU created.

But here’s the good news: this isn’t about blame.

It’s about power.

When you realize you shaped their food environment, you gain the ability to transform it.

Your child didn’t drive to fast food restaurants.

They didn’t fill the pantry with ultra-processed snacks.

They didn’t learn to use sugar for comfort by themselves.

They’re doing exactly what children do: trusting that what they’re being fed is okay.

You likely didn’t mean to create the problem.

You were probably following what seemed normal—what our culture, convenience-focused marketing, and busy schedules told you was “fine.”

But now you know better.

Those metabolic issues starting to appear?

The emotional struggles tied to food?

You have the power to change their trajectory.

Start with small, consistent changes.

Replace one unhealthy item each week.

Bring your kids into the kitchen.

Make health a family mission rather than a punishment.

Your child doesn’t need a perfect body—they need a strong one.

A healthy mind.

A future not defined by food addiction and preventable disease.

You have that power.

Use it with love, not guilt.

Share this with those you care about most.

🫶🏾 Dr. Nick

10/29/2026

1923: Diabetes patients ate 75% fat. Today: We're sicker than ever. Coincidence?

Before insulin and pills existed, doctors had ONE treatment for diabetes: stop eating carbs. A 1923 medical textbook literally prescribed 75% fat, 17% protein, and just 2% carbohydrates. The results? Controlled blood sugar without a single medication.

Then Big Pharma entered the chat.

Researchers are now calling out a massive problem with modern diabetes treatment. The ACCORD trial had to STOP their intensive insulin therapy arm early because patients were dying at higher rates.

Why? When you eat high-carb diets and use aggressive medications to "cover" the carbs, you get dangerous blood sugar crashes. Hypoglycemia. And hypoglycemia kills.

Key findings from this research:

• Carb restriction makes sense because type 2 diabetes IS carbohydrate intolerance
• Patients on high-carb diets with intensive medication therapy experience dangerous hypoglycemic reactions
• Same patients on carb-restricted diets? No more hypoglycemia
• Some patients tapered off 150 units of insulin in just 8 days with BETTER blood sugar control
• Patients lose weight and save money on medications

The researchers state it plainly: we urgently need studies comparing the old "restrict carbs, skip meds" approach versus the modern "eat carbs, take more meds" approach.

One approach has no risk of hypoglycemia. The other is literally killing people in clinical trials.

So why aren't we talking about this?

What's one dietary change you could make today to take control of your metabolic health?

Share this with someone managing diabetes who deserves to know the full story.

I've shared this study's limitations within the post's comment section at the same place you can ask me questions about it, on my Instagram - ''

P.S.: Want a question of yours related to this post answered by me? I unfortunately cannot check all of my social media posts daily and I don't want to miss your question. Direct message me on Instagram (Username: ) to get an answer from me.

🫶🏾 Dr. Nick⁣ ⁣



PMID: 18400080

Your biological age is not solely determined by your birth year. It is being set? By your insulin resistance.Most people...
10/28/2026

Your biological age is not solely determined by your birth year. It is being set? By your insulin resistance.

Most people assume their rate of aging is fixed by their genetics. That assumption is costing them years of biological life they COULD be protecting right now.

Scientists can now measure how fast your body is aging at the cellular level using a DNA methylation algorithm called DunedinPACE. Let me be clear: It does not measure how old you are. It measures how fast you are getting there...
..and insulin resistance is one of the most powerful accelerators of that pace.

In a 2024 twin study (PMID 38273034), people with metabolic syndrome - a cluster of conditions driven by insulin resistance - had a DunedinPACE of 1.032 versus 0.911 in those without it. That means their cells were aging 13% faster per calendar year.

In a 2023 randomized trial published in Nature Aging (PMID 37118425), reducing caloric intake by 25% slowed DunedinPACE by 2–3%. The researchers estimated this corresponds to a 10–15% reduction in mortality risk - comparable to the effect of quitting smoking.

Save this post now so that you never forget the “Pace of Aging Reset Protocol” and send the post to friends/family who need this information too.

If you want a much more convenient & rapidly effective option than the “Pace of Aging Reset Protocol” alone, the Minimal Viable Solution (MiVS) Protocol is the simple system that I’ve both built and use daily, comprised of multiple lifestyle change digital product solutions centered squarely around a cornerstone of two plant-based products, that collectively serves to address insulin-driven epigenetic aging and support a slower pace of aging.

🌿 Patented formula
🌿 HSA/FSA eligible
🌿 Physician’s Desk Reference listed (so YOUR doctor can look it up)
🌿 Validated by an extensive body of independent clinical research

Simple to use. One daily habit.

If you want the details on the exact plant-based products system that I use myself daily, that addresses insulin-driven epigenetic aging and supports a slower pace of aging, follow me & comment ‘AGING’ below 👇🏾

🫶🏾 Dr. Nick

10/28/2026

𝐌𝐨𝐬𝐭 𝐩𝐞𝐨𝐩𝐥𝐞 𝐭𝐡𝐢𝐧𝐤 𝐠𝐞𝐭𝐭𝐢𝐧𝐠 𝐨𝐥𝐝𝐞𝐫 𝐦𝐞𝐚𝐧𝐬 𝐬𝐥𝐨𝐰𝐢𝐧𝐠 𝐝𝐨𝐰𝐧. But what if I told you that’s the biggest lie we’ve been sold?

Being able to run next to your 74-year-old dad would not just be ‘exercise’—it would be proof that age is nothing but a number when you refuse to accept society’s limitations. While everyone else is making excuses about their knees, their back, their “busy schedule,” this man is out here showing up for life every single day.

Here’s the hard truth: You’re not too old, too tired, or too broken. You’re just too comfortable with your excuses. Every day you choose the couch over movement, you’re choosing decline over vitality. Every time you say “I’m getting too old for this,” you’re literally programming your body to believe it.

The goal isn’t to chase some fountain of youth fantasy—it’s to build a body and mind that can keep doing what lights you up with the people who matter most. Stop waiting for the “perfect time” to start taking care of yourself. Stop using age as an excuse to give up on the life you actually want to live.

Your future self is watching every choice you make today. The question isn’t whether you’ll age—it’s whether you’ll age with strength, purpose, and the ability to keep showing up for the moments that matter.

What excuse are you ready to stop making today that’s been keeping you from the life your body was designed to live?

Share this with those you care about most.

🫶🏾 Dr. Nick



📸: paulavjater

Posting your progress and catching hate for it?This is what that criticism actually says about them.There is a widely ac...
10/28/2026

Posting your progress and catching hate for it?

This is what that criticism actually says about them.

There is a widely accepted belief that sharing your fitness journey publicly is ‘vain’ or ‘attention-seeking.’

That belief exists because your visible effort forces the people around you to confront the choices that they are not making.

Criticism of your progress is never a reflection of your worth.

It is a reflection of their stagnation.

Keep posting.

Keep showing up.

Someone out there needs to see that it is possible.

Share this with those you care about most.

🫶🏾 Dr. Nick

10/28/2026

Your thyroid could be destroying your metabolism while your labs look "normal."

I need you to hear this. Researchers studied people with obvious hypothyroidism AND people with "subclinical" hypothyroidism, where thyroid hormones appear normal but TSH runs slightly high.

The result? Both groups showed THE SAME level of insulin resistance.

Let that sink in. Your doctor looks at your labs, says "you're fine," and sends you home. Meanwhile, your cells are literally starving for glucose because they can't respond to insulin properly.

Here's what the study found:

• Subclinical hypothyroidism caused insulin resistance EQUAL to full-blown hypothyroidism
• GLUT4 transporters (the doors that let glucose into cells) were significantly impaired in both groups
• This explains the increased cardiovascular disease risk in "borderline" thyroid patients

This isn't some rare condition. Subclinical hypothyroidism affects millions who have no idea. They're gaining weight, feeling exhausted, and being told nothing is wrong.

The lower your thyroid hormones (even within "normal" range), the worse your insulin sensitivity becomes. It's like your metabolism is running on a dying battery while everyone insists the battery is fine.

We can outsmart this. But first, we need to stop accepting "normal" as the finish line.

Has your doctor ever dismissed your thyroid concerns because your labs were "in range"? Drop your experience below.

If someone you love struggles with unexplained weight gain or fatigue, share this. It might change everything.

I've shared this study's limitations within the post's comment section at the same place you can ask me questions about it, on my Instagram - ''

P.S.: Want a question of yours related to this post answered by me? I unfortunately cannot check all of my social media posts daily and I don't want to miss your question. Direct message me on Instagram (Username: ) to get an answer from me.

🫶🏾 Dr. Nick⁣ ⁣



PMID: 19141606

10/28/2026

𝐌𝐨𝐬𝐭 𝐩𝐞𝐨𝐩𝐥𝐞 𝐭𝐡𝐢𝐧𝐤 𝐠𝐞𝐭𝐭𝐢𝐧𝐠 𝐨𝐥𝐝𝐞𝐫 𝐦𝐞𝐚𝐧𝐬 𝐬𝐥𝐨𝐰𝐢𝐧𝐠 𝐝𝐨𝐰𝐧. But what if I told you that’s the biggest lie we’ve been sold?

Being able to run next to your 74-year-old dad would not just be ‘exercise’—it would be proof that age is nothing but a number when you refuse to accept society’s limitations. While everyone else is making excuses about their knees, their back, their “busy schedule,” this man is out here showing up for life every single day.

Here’s the hard truth: You’re not too old, too tired, or too broken. You’re just too comfortable with your excuses. Every day you choose the couch over movement, you’re choosing decline over vitality. Every time you say “I’m getting too old for this,” you’re literally programming your body to believe it.

The goal isn’t to chase some fountain of youth fantasy—it’s to build a body and mind that can keep doing what lights you up with the people who matter most. Stop waiting for the “perfect time” to start taking care of yourself. Stop using age as an excuse to give up on the life you actually want to live.

Your future self is watching every choice you make today. The question isn’t whether you’ll age—it’s whether you’ll age with strength, purpose, and the ability to keep showing up for the moments that matter.

What excuse are you ready to stop making today that’s been keeping you from the life your body was designed to live?

P.S.: Want a question of yours related to this post answered by me? I unfortunately cannot check all of my social media posts daily and I don't want to miss your question. Direct message me on Instagram (Username: ) to get an answer from me.

Share this with those you care about most.

🫶🏾 Dr. Nick



📸: paulavjater

Poor sleep is not only just tiredness. It is a nightly dose of insulin resistance.Most people treat sleep as optional.“S...
10/27/2026

Poor sleep is not only just tiredness. It is a nightly dose of insulin resistance.

Most people treat sleep as optional.

“Six hours feels fine”.

Productivity culture rewards it. What nobody tells you is that every hour of poor sleep is measurably degrading your insulin sensitivity before you wake up.

When you sleep, your body cycles through stages of deep slow-wave sleep. During those stages, your pituitary releases growth hormone - a key regulator of glucose metabolism. Your cortisol drops. Your insulin receptors reset.

When sleep is cut short or fragmented, that reset does not happen...
..your cortisol stays elevated into the morning. Your liver keeps producing glucose. Your cells become less responsive to insulin.

In a 2008 PNAS study (PMID 18172212), just 3 nights of suppressed slow-wave sleep - with total sleep time unchanged - caused a 25% drop in insulin sensitivity in healthy adults.

In a 2010 study in Diabetes (PMID 20585000), restricting sleep to 5 hours per night for one week reduced insulin sensitivity by 20% in healthy men.

Save this post now so that you never forget the “Sleep Reset Protocol” and send the post to friends/family who need this information too.

If you want a much more convenient & rapidly effective option than the ‘Sleep Reset Protocol’ alone, the Minimal Viable Solution (MiVS) Protocol is the simple system that I’ve both built and use daily, comprised of multiple lifestyle change digital product solutions centered squarely around a cornerstone of two plant-based products, that collectively serves to address cortisol-driven insulin resistance and support healthy sleep quality.

🌿 Patented formula
🌿 HSA/FSA eligible
🌿 Physician’s Desk Reference listed (so YOUR doctor can look it up)
🌿 Validated by an extensive body of independent clinical research

Simple to use. One daily habit.

If you want the details on the exact plant-based products system that I use myself daily, that addresses cortisol-driven insulin resistance and supports healthy sleep quality, follow me & comment ‘SLEEP’ below 👇🏾

🫶🏾 Dr. Nick

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