The Fittest Doc

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⬅️

11/19/2025

𝐘𝐨𝐮𝐫 𝐬𝐜𝐚𝐥𝐞 𝐰𝐞𝐢𝐠𝐡𝐭 𝐦𝐞𝐚𝐧𝐬 𝐧𝐨𝐭𝐡𝐢𝐧𝐠. 𝐇𝐞𝐫𝐞’𝐬 𝐰𝐡𝐲 𝐭𝐡𝐚𝐭 𝐛𝐨𝐝𝐲 𝐟𝐚𝐭 % 𝐦𝐚𝐜𝐡𝐢𝐧𝐞 𝐚𝐭 𝐲𝐨𝐮𝐫 𝐠𝐲𝐦 𝐢𝐬 𝐩𝐫𝐨𝐛𝐚𝐛𝐥𝐲 𝐰𝐫𝐨𝐧𝐠 𝐭𝐨𝐨... 📊⁣

Day 33 of my “Metabolism Metrics” series, a series covering the metrics I routinely quantify into numbers and track in both myself and my clients for optimal metabolic health...as well as the science behind each of them.⁣⁣⁣⁣

Think you know your true body fat percentage? The shocking truth about why most measurements are WAY off...⁣

Let me challenge what you believe about body fat testing...⁣

That body fat scale at your gym? That handheld device? Even that fancy InBody machine? They’re all affected by one simple factor most people don’t know about: HYDRATION. 💧⁣

Here’s what nobody’s telling you:⁣
⊳Over-hydrated? Your body fat % reads lower than reality⁣
⊳Dehydrated? Your body fat % reads higher than reality⁣
⊳Time of day matters⁣
⊳Recent exercise affects results⁣
⊳Even your last meal impacts readings⁣

The percentile comparisons (comparing you to others your age/sex) are meaningless without considering these factors.⁣

Want both accuracy and precision so that you can quantify results well and use data to achieve your goals? Use better testing methodology. ⁣

Stuck with sub-optimal methodology you have at the gym and at home? Here’s the least of what you can do towards minimizing inter-measurement error variability:⁣
➾Consistent testing conditions⁣
➾Same time of day⁣
➾Similar hydration levels⁣
➾Tracking trends, not single readings⁣

This subject was voted for me to cover by ‘The Fittest Forum’. Join for free through the link on my Instagram profile page to have a say in what subject I create and educate you on next.⁣

Tomorrow, we’re exploring something even more fascinating - how much water actually flows through your body daily (spoiler: that ‘8 glasses’ rule is completely wrong). You won’t believe the truth...⁣

🫶🏾 Dr. Nick⁣

11/19/2025

This 1950 study found something about insulin resistance that doctors still don't talk about today...

Picture this: a 58-year-old patient requiring nearly 2,000 units of insulin daily just to stay alive. That's roughly 10 times what a normal person produces. But when doctors refrigerated his infected limb before amputation, something extraordinary happened - his insulin needs plummeted to under 100 units.

Here's what blew my mind about this case:
• Infection dramatically increased insulin resistance beyond normal diabetes levels
• Cooling the infected tissue reversed this resistance almost immediately
• Once amputation was complete and cooling stopped, resistance returned to previous highs
• This pattern repeated when a second limb became infected and required amputation

We're talking about a 95% reduction in insulin needs just from cooling infected tissue. Think of your body as an integrated system - when one part is under severe inflammatory stress, it can hijack your entire metabolic machinery.

The researchers theorized that infected tissues produce insulin sensitivity destroying substances that flood your bloodstream. Cool the infection, reduce the inflammatory cascade, restore insulin sensitivity. It's like finding the master switch in a complex circuit.

But here's what keeps me up at night: this was documented over 70 years ago, yet we rarely discuss how acute infections can completely derail metabolic health in ways that persist long after the infection "clears."

What if we're missing critical connections between infections, inflammation, and metabolic dysfunction that could revolutionize how we approach both acute care and chronic disease prevention?

What's one infection you've had that seemed to change your energy or metabolism afterward? Share this with someone who needs to understand the infection-metabolism connection.

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 - ''

🫶🏾 Dr. Nick⁣ ⁣



PMID: 14788423

Ever notice the quietest people at the gym are often the most consistent?They’re not there for validation. They’re there...
11/19/2025

Ever notice the quietest people at the gym are often the most consistent?

They’re not there for validation. They’re there because somewhere along the way, life knocked them down hard enough that they decided never again. 

The gym became their proving ground. Not for abs or aesthetics, but for reclaiming the parts of themselves they thought were lost forever. 

Every session is a promise kept to the person they’re becoming. If you know, you know.

Share this with those you care about most.

🫶🏾 Dr. Nick

Ever notice how people wear their struggles like badges of honor? The world doesn’t care about your journey. It only see...
11/19/2025

Ever notice how people wear their struggles like badges of honor? The world doesn’t care about your journey. It only sees results.

If you’ve got advantages... looks, connections, wealth, talent... use them without apology. Life isn’t fair and pretending otherwise just keeps you stuck.

Winners exploit asymmetry. Losers romanticize the grind.

Which one are you?

Share this with those you care about most.

🫶🏾 Dr. Nick

11/18/2025

𝐓𝐡𝐚𝐭 𝐟𝐚𝐭 𝐲𝐨𝐮’𝐫𝐞 𝐝𝐞𝐬𝐩𝐞𝐫𝐚𝐭𝐞𝐥𝐲 𝐭𝐫𝐲𝐢𝐧𝐠 𝐭𝐨 𝐥𝐨𝐬𝐞? 𝐒𝐨𝐦𝐞 𝐨𝐟 𝐢𝐭 𝐢𝐬 𝐤𝐞𝐞𝐩𝐢𝐧𝐠 𝐲𝐨𝐮 𝐚𝐥𝐢𝐯𝐞 𝐫𝐢𝐠𝐡𝐭 𝐧𝐨𝐰. Here’s the truth they won’t tell you... 🧬⁣

Day 32 of my “Metabolism Metrics” series, a series covering the metrics I routinely quantify into numbers and track in both myself and my clients for optimal metabolic health...as well as the science behind each of them.⁣⁣⁣

STOP believing that all body fat is bad! This dangerous myth is actually harming your health. 🚫⁣

Let me challenge what you’ve been told about fat in your body...⁣

There are TWO types of body fat, and one of them is literally essential for your survival.⁣

𝐄𝐬𝐬𝐞𝐧𝐭𝐢𝐚𝐥 𝐁𝐨𝐝𝐲 𝐅𝐚𝐭:⁣
❥Controls your fertility⁣
❥Regulates your metabolism⁣
❥Helps absorb vital nutrients⁣
❥Protects your organs⁣
❥Women need 10-13% at the absolute least⁣
❥Men need about 3% at the absolute least⁣

𝐒𝐭𝐨𝐫𝐚𝐠𝐞 𝐅𝐚𝐭:⁣
❥Acts as energy reserve⁣
❥Provides insulation⁣
❥Cushions muscles & bones⁣
❥Produces beneficial molecules⁣

Here’s the mind-blowing part: Your fat tissue is actually an endocrine organ! It releases hormones that control your appetite and affect your insulin sensitivity. 🧪⁣

This subject was voted for me to cover by ‘The Fittest Forum’. Join for free through the link on my Instagram profile page to have a say in what subject I create and educate you on next.⁣

Tomorrow, we’re diving into body fat percentage - and why the number on your scale is lying to you about your health. Get ready for some truth bombs...⁣

🫶🏾 Dr. Nick

11/18/2025

This study just shattered everything we thought we knew about belly fat and diabetes risk 🤯

We've been thinking about fat all wrong. It's not just about how much you have—it's about WHERE you store it. Swiss researchers just proved that your belly fat has a direct highway to diabetes that other fat doesn't.

Here's what blew my mind:

• Visceral fat (around your organs) releases inflammatory chemicals directly into your liver via the portal vein
• This creates a "toxic pipeline" that makes your liver insulin-resistant
• Hip and thigh fat? Actually PROTECTIVE against diabetes
• The location of fat matters more than the total amount for disease risk
• Your body's fat distribution is literally engineering your metabolic future

Think of it like this: subcutaneous fat (under your skin) is like having money in a savings account—relatively harmless. But visceral fat? That's like having debt collectors with direct access to your bank account, constantly draining your metabolic health.

The portal theory explains why two people with identical BMIs can have completely different diabetes risks. Your apple vs. pear shape isn't just aesthetics—it's your metabolic destiny.

This changes everything about how we approach weight management. We need to think like engineers: location, location, location.

What's one strategy you're using to target visceral fat specifically? Drop your thoughts below—let's outsmart diabetes together! 💪

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 - ''

🫶🏾 Dr. Nick⁣ ⁣



PMID: 23107257

The supplements your aging parents actually need (and why their doctor probably hasn’t mentioned them)Most people think ...
11/18/2025

The supplements your aging parents actually need (and why their doctor probably hasn’t mentioned them)

Most people think aging means accepting decline. But these 4 compounds can change everything about how your parents experience their later years.

Creatine for muscle and brain power. Omega-3s for heart and memory. D3+K2 for bones and circulation.

These are not luxuries. They’re necessities for thriving, not just surviving.

Start the conversation with your parents today. Their future self will thank you.

Share this with those you care about most.

🫶🏾 Dr. Nick

What if you’re already winning and just don’t see it yet?We’re conditioned to only celebrate promotions, milestones, and...
11/18/2025

What if you’re already winning and just don’t see it yet?

We’re conditioned to only celebrate promotions, milestones, and major breakthroughs. But what about the quiet victories happening every single day?

A roof. Running water. Waking up pain-free. These aren’t participation trophies... they’re proof you’re already ahead.

Gratitude isn’t toxic positivity. It’s perspective. It’s recognizing that comfort, safety, and peace are rare gifts in a chaotic world.

The next time you feel like you’re falling behind, remember: half the world would trade places with your worst day.

You don’t need permission to feel blessed. Start now.

🫶🏾 Dr. Nick

11/17/2025

𝐓𝐡𝐢𝐧𝐤 𝐦𝐮𝐬𝐜𝐥𝐞 𝐢𝐬 𝐚𝐥𝐥 𝐭𝐡𝐚𝐭 𝐦𝐚𝐭𝐭𝐞𝐫𝐬 𝐰𝐡𝐞𝐧 𝐢𝐭 𝐜𝐨𝐦𝐞𝐬 𝐭𝐨 𝐥𝐞𝐚𝐧 𝐦𝐚𝐬𝐬? Your organs, bones, and blood would like a word with you... 🤔

Day 31 of my “Metabolism Metrics” series, a series covering the metrics I routinely quantify into numbers and track in both myself and my clients for optimal metabolic health...as well as the science behind each of them.⁣⁣

You’ve probably heard people obsess over muscle mass, but here’s what they’re missing: Fat-free mass is SO much more than just muscle. 💪

Let me challenge everything you thought you knew about your body’s composition...

Your fat-free mass (FFM) includes your organs, bones, blood, skin, and yes, muscles - basically everything except fat. It’s like the foundation of your entire body’s operating system! 🏗️

Here’s why this matters more than you think:
⮑Higher FFM = Better metabolic health
⮑More energy burned at rest
⮑Stronger immune system
⮑Better aging outcomes

But here’s the game-changer: While everyone’s chasing muscle gains, they’re ignoring the bigger picture. Your FFM is actually your body’s powerhouse for energy expenditure and metabolism.

This subject was voted for me to cover by ‘The Fittest Forum’. Join for free through the link on my Instagram profile page to have a say in what subject I create and educate you on next.

Tomorrow, we’re diving into something even more controversial - the truth about fat mass and why some fat is actually ESSENTIAL for your survival. You won’t want to miss this one...

🫶🏾 Dr. Nick

11/17/2025

This study just proved hyperinsulinemia causes insulin resistance - not the other way around

Picture this: you've been told that insulin resistance comes first, then your body compensates with higher insulin. But what if we've had it backwards this whole time?

Researchers took 15 healthy adults and artificially raised their insulin levels for 4 days straight. The shocking result? Their bodies became 20-40% LESS sensitive to insulin. We're talking about healthy people developing insulin resistance simply from having elevated insulin.

Here's what happened:
• Glucose disposal dropped dramatically within 72-96 hours
• The body's ability to store glucose as glycogen was specifically impaired
• Insulin's ability to suppress liver glucose production remained intact
• When they raised both glucose AND insulin together, the resistance pattern was identical

Think of your body as an integrated system, not isolated parts. When insulin stays chronically elevated, your cells start tuning it out - like your mind tunes out a smoke alarm that won't stop beeping. You eventually ignore it, right?

This creates a vicious cycle: high insulin → insulin resistance → even higher insulin → worse resistance. It's a metabolic trap that keeps getting tighter and even tougher to heal from.

The game-changer? Hyperinsulinemia isn't just responding to insulin resistance - it's actively creating it. This means we need to focus on keeping insulin levels stable, not just managing blood sugar.

What's one strategy you use to keep your insulin levels steady throughout the day?

Share this with someone who needs to understand how their metabolism really works!

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 - ''

🫶🏾 Dr. Nick⁣



PMID: 7851681

Ever wonder why some people wake from naps ready to conquer and you wake up questioning reality?We’ve been sold this ide...
11/17/2025

Ever wonder why some people wake from naps ready to conquer and you wake up questioning reality?

We’ve been sold this idea that naps are universally restorative. Take 20 minutes, close your eyes, wake up refreshed. Except that’s not how it works for most of us. The difference between a rejuvenating nap and a 2-hour coma that leaves you disoriented isn’t skill... it’s understanding your biology.

Your sleep cycles don’t care about your schedule. Interrupt them wrong and you’ll pay the price in grogginess and lost productivity. But here’s the deeper question: if you’re constantly needing naps to function, what’s broken in your foundation?

Quality nighttime sleep, stable blood sugar, and managed stress eliminate nap dependency. Stop treating naps like a solution and start treating them like the symptom they are.

Share this with those you care about most.

🫶🏾 Dr. Nick

Ever notice how the same behavior gets you respect in one group but makes you look weak in another?Your environment dict...
11/17/2025

Ever notice how the same behavior gets you respect in one group but makes you look weak in another?

Your environment dictates your strategy. Primitive spaces run on dominance... show weakness and you’re prey. Evolved spaces run on composure... show aggression and you’re insecure.

The smartest people don’t have one personality. They read the room and adjust their power signals accordingly.

Stop using the same playbook everywhere. Start matching your energy to the intelligence level around you.

That’s how you win in any hierarchy.

Share this with those you care about most.

🫶🏾 Dr. Nick

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