15 Hard-Won Lessons About Insulin Resistance From 13 Years of Personal Experience

15 Hard-Won Lessons About Insulin Resistance From 13 Years of Personal Experience

After 13 years of living with, studying, and ultimately overcoming insulin resistance, health educator Thomas DeLauer has distilled his journey into 15 essential lessons that challenge conventional thinking about this metabolic condition. His insights reveal that insulin resistance is far more complex than simply "eating too many carbs" - and the solutions are both more nuanced and more achievable than most people realize.

The Journey Begins

"I still remember every way that it felt," DeLauer recalls. "I remember eating carbohydrates and just putting on weight really easily. I remember eating a meal and then instantly feeling foggy. I remember my joints hurting. I remember the sleepless nights. I remember the night sweats."

These aren't just symptoms - they're signals that the body's fundamental ability to process fuel has become compromised. Over 13 years of fine-tuning his approach, DeLauer discovered what actually works. Here are his 15 most important lessons.

1. Inflammation Is at the Root of Insulin Resistance

This discovery changed everything. "I used to think it was purely a carbohydrate thing," DeLauer explains. Many people make this same mistake, restricting carbs to extreme levels that actually increase inflammation and stress on the body.

The reality: Insulin resistance is fundamentally an inflammatory condition. When your body has too much inflammation, it cannot properly receive insulin's signal. This is why you struggle to process carbohydrates. The goal isn't permanent carb restriction - it's getting inflammation under control so your body can function properly again.

The key insight: Once inflammation is controlled, many people find they can tolerate carbohydrates normally. Some feel better without them and choose to stay low-carb, but the choice becomes theirs rather than a metabolic necessity.

2. Carnosine: The Glycation Blocker

Glycation occurs when sugars bind with proteins or fats, creating compounds called advanced glycation end products (AGEs). This process drives oxidative stress and inflammation - explaining many of the symptoms people experience: brain fog, achiness, joint pain.

Carnosine blocks the very catalyst of glycation. It's not just treating symptoms; it's addressing a root mechanism.

The specific protocol: 4-6 grams of carnosine per day was a game-changer for DeLauer and many of his followers report similar benefits.

3. Insulin Resistance Starts in the Muscle

Most people think insulin resistance is purely a pancreas problem. "My pancreas is broken. Period." That's how DeLauer initially understood it too.

But research shows that insulin resistance often begins in muscle tissue. Here's the crucial insight: muscle isn't just for movement - it's a signaling organ with metabolic function that communicates with other organs throughout your body.

When you resistance train and stress your muscles, it initiates a feedback loop that helps insulin resistance ease up. This is why cardio alone isn't enough. Running helps you lose weight (one itch), but resistance training actually restores the organ system that influences insulin sensitivity (the bigger itch).

The takeaway: Prioritize resistance training over endless cardio. Building muscle addresses a root cause, not just calories.

4. Nutrient Deficiencies Can Worsen Insulin Resistance

Certain mineral deficiencies directly increase insulin resistance. Calcium is a prime example - when you're deficient, your body increases appetite trying to get those nutrients in.

DeLauer made significant progress when he incorporated:

• Good quality aged cheeses
• Heavy cream (in moderation)
• Healthy dairy sources

These foods provide not just calcium but also conjugated linoleic acid (CLA), which has its own metabolic benefits.

The principle: Your body's hunger signals sometimes reflect nutrient needs, not calorie needs. Satisfying those mineral requirements can naturally reduce appetite and improve insulin sensitivity.

5. Fats Have Their Time and Place

Fats aren't inherently problematic - but combining high fat with high carbohydrates creates what DeLauer calls "mitochondrial traffic jams."

When your mitochondria receive massive amounts of both fat and carbohydrates simultaneously, they can't efficiently partition these substrates. This substrate abundance overwhelms the system.

The standard American diet problem: High sugar + high saturated fat is particularly damaging. It's not the saturated fat alone (people on very low-carb diets often tolerate it well) - it's the combination.

The practical solution: Separate your macronutrients. Don't consume high amounts of fat and carbohydrates in the same meal. Some natural overlap is fine, but avoid the extreme combination that characterizes processed foods.

6. Induce GLP-1 Naturally With Certain Foods

GLP-1 receptor agonists are popular medications right now, but they weren't originally developed for appetite suppression - they were created for glucose control and insulin modulation. Appetite effects came second.

You can stimulate your body's natural GLP-1 production with:

• Allulose: Strongly demonstrated to produce GLP-1
• High protein intake: Especially at breakfast
• Soluble fiber: High amounts in a single serving

"I started using allulose, eating more protein, having high amounts of soluble fiber," DeLauer reports, "and I saw a major difference in my glucose."

The reframe: Think of GLP-1-stimulating foods as glucose modulators first, appetite suppressors second.

7. The Gut Microbiome Is Critical

The microbiome doesn't just help with digestion - it sends signals that directly influence glucose metabolism. When gut bacteria break down fiber, they produce short-chain fatty acids that influence glucose homeostasis throughout your body.

This explains an underappreciated benefit of low-carb diets: they often reduce "noise" in the gut, allowing the microbiome to function better. The glucose improvements might not be purely from carb reduction.

Practical steps:

• Consider a high-quality probiotic (DeLauer recommends synbiotics that combine probiotics with prebiotics)
• Pay attention to fiber intake
• Protect your gut mucosal layer

When the gut is "out of whack," watch what happens to your insulin resistance and glucose control.

8. The Second Meal Effect Changes Everything

This concept is powerful: what you eat for breakfast significantly impacts how your body handles lunch and dinner. A high-glycemic breakfast sets you up for worse glucose responses all day.

The research shows: Protein-preloading the first meal of the day can reduce the glucose area under the curve of the following meal by 30-40%.

The practical application:

• Morning meal: Low glycemic carbohydrates, high protein, high fiber
• This one decision cascades through your entire day

"If you can change your breakfast, you can change your glucose impact by 30 to 40% with the next meal," DeLauer emphasizes. "That is way easier than micromanaging every single meal all the time."

9. Insulin Resistance, Fatty Liver, and Visceral Fat Live Under the Same Roof

These three conditions form a vicious cycle:

1. Insulin resistance contributes to fatty liver
2. Fatty liver worsens insulin resistance
3. Both lead to more visceral fat accumulation
4. Visceral fat increases inflammation
5. Inflammation increases insulin resistance

Breaking this cycle requires addressing multiple factors. Dr. Shawn O'Mara's recommendations include:

• Periodic time-restricted feeding
• Fermented foods (particularly for visceral fat)
• High-intensity work and sprints rather than long-duration endurance exercise
• Avoiding chronic cardio stress which adds to the body's inflammatory burden

10. Magnesium Deficiency Brings Symptoms Back

Even after years of progress, DeLauer found that magnesium deficiency would cause insulin resistance symptoms to return. The reason: magnesium helps regulate autophosphorylation of insulin receptors.

In plain terms: your insulin receptors don't work properly without adequate magnesium. The mineral directly influences how sensitive your cells are to insulin's signal.

The implication: Magnesium isn't optional supplementation - for many people, it's a requirement for maintaining insulin sensitivity.

11. Insulin Resistance Can Correct Surprisingly Fast

This is hopeful news: insulin sensitivity can improve dramatically in a short period. We're talking significant improvements in just 4-5 days of time-restricted feeding or intermittent fasting.

This isn't about calories in/calories out. Taking a break from food allows your pancreas to reset. Combined with periodic low-carbohydrate eating and exercise implementation, results can come faster than most people expect.

12. Sleep Is the Best Short-Term Fix

Here's a striking statistic: sleep deprivation can make insulin resistance 20-40% worse the very next day. This isn't a small effect - it's potentially the biggest single-day influence on your glucose metabolism.

Specific sleep-support recommendations:

• Magnesium: 200-400mg - calms the brain and increases serotonin affinity
• Glycine: 3-5g - helps you fall asleep, stay asleep, and relaxes your bladder (reducing nighttime wake-ups to urinate)
• Saffron extract: 20-30mg - increases serotonin and promotes the GABAergic state for relaxation

Improving sleep hygiene may be the most impactful short-term intervention available.

13. Red Light Therapy Has Real Metabolic Effects

DeLauer was initially skeptical, viewing red light primarily through the lens of circadian rhythm. But the metabolic science is compelling.

Red light influences cytochrome c oxidase (complex 4 in the mitochondria), helping electrons from fuel move through the mitochondria more efficiently to become actual energy. Additionally, emerging research in quantum biology suggests mitochondria are photosynthetic organelles that respond directly to light.

Recent findings: Red light appears to help GLUT4 translocation - meaning it can actually help shuttle glucose into cells after a carbohydrate meal.

The principle: Adequate sunlight and red light exposure influence how your body uses all fuel, not just carbohydrates. Remember: insulin resistance is fundamentally a fuel partitioning problem.

14. Methylene Blue as a Mitochondrial "Jumper Cable"

For those with metabolically dysfunctional mitochondria, methylene blue acts as an electron donor and carrier. When you eat food, electrons need to pass through various phases of the mitochondria to generate energy. Dysfunctional mitochondria struggle with this process.

Methylene blue helps electrons complete their journey, potentially kickstarting mitochondria back into using fuel properly. "Think of it like a jumper cable for your mitochondria," DeLauer explains.

Note: This is a more advanced intervention - research and consult with healthcare providers before considering.

15. Carbohydrates Are Often a Symptom, Not the Cause

This might be the most paradigm-shifting lesson: having trouble with carbohydrates is often a side effect of insulin resistance, not its cause.

Here's the catch: if you avoid carbohydrates indefinitely, you may remain insulin resistant forever because your body loses the enzymatic machinery and metabolic reason to process them.

The practical reality: You need to periodically train your body to use carbohydrates so it maintains the ability. Otherwise, any exposure (like a slice of pumpkin pie at Thanksgiving) will make you feel terrible.

If you choose permanent very-low-carb eating, that's a valid choice. But understand that you're accepting permanent carb intolerance. Many people prefer to maintain metabolic flexibility - the ability to use both fats and carbohydrates as fuel.

Key Takeaways

For inflammation:

• Recognize that inflammation, not carbs, is the root cause
• Carnosine (4-6g/day) blocks glycation
• Resistance training reduces systemic inflammation

For metabolic health:

• Build muscle - it's a signaling organ for insulin sensitivity
• Address nutrient deficiencies, especially calcium and magnesium
• Support your gut microbiome with probiotics and fiber

For daily management:

• Protein-preload breakfast for 30-40% better glucose response all day
• Separate high-fat and high-carb meals
• Use GLP-1 stimulating foods: allulose, protein, soluble fiber

For quick wins:

• Prioritize sleep (deprivation worsens IR by 20-40%)
• Sleep support: magnesium 200-400mg, glycine 3-5g, saffron 20-30mg
• Time-restricted feeding can show results in 4-5 days

For long-term success:

• Break the IR/fatty liver/visceral fat cycle with sprints and fasting
• Consider red light exposure for mitochondrial function
• Don't abandon carbs permanently unless you're prepared for permanent intolerance

The most important message: insulin resistance is not a life sentence, and it's not simply about avoiding carbs. It's a complex metabolic condition that responds to comprehensive interventions targeting inflammation, muscle health, nutrient status, gut function, and sleep. Address these factors, and your body can regain its ability to process fuel properly - including carbohydrates.

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Insulin Resistance: Lessons Learned

What Actually Worked

Strategy	Impact	Time to See Results
Cutting liquid sugars	High	Days
Walking after meals	High	Weeks
Building muscle	Very high	Months
Reducing refined carbs	High	Weeks
Improving sleep	Moderate-High	Weeks
Managing stress	Moderate	Weeks-Months

Lab Markers to Track

Test	What It Tells You	Ideal Range
Fasting insulin	Insulin sensitivity	<8 μIU/mL
Fasting glucose	Blood sugar baseline	70-90 mg/dL
HbA1c	3-month average	<5.5%
HOMA-IR	Calculated resistance	<1.0
Triglycerides/HDL	Metabolic health	<2.0

Related Reading

• 30-Day Insulin Resistance Fix
• Blood Sugar and Energy
• Stubborn Belly Fat After 40
• Why You Crash After Lunch