You have been doing everything right. Something else is going on.
Root cause functional medicine for weight resistance, insulin resistance, and metabolic dysfunction. Real workup. Real hormone work. Prescription management when clinically appropriate. Built for sustainable metabolic health, not short term weight loss.
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“Weight resistance is a signal. Something upstream is telling your body to hold on.”
Weight resistance is not a willpower problem
Weight resistance is when your body actively holds on to weight despite genuine effort with nutrition and movement. It is common in perimenopause, low testosterone, insulin resistance, thyroid dysfunction, chronic stress, and gut dysfunction. The problem is not that you are not trying hard enough. It is that your physiology is working against you. Fixing that requires identifying which drivers are at play and treating them directly, not trying harder at things that were never going to work.
The pattern that means it is not just about food
Weight resistance has a distinct signature. If several of these are true for you, there is a physiologic reason your body is holding on.
Weight gain despite effort
Belly fat that will not budge
Constant sugar & carb cravings
Fatigue, especially after meals
Yo-yo dieting exhaustion
Rapid weight regain after diets
Constant hunger
Weight loss plateau on meds or diets
You are not doing anything wrong. Let's find out what your body needs.
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Why is your body holding on to weight?
Prescribing a diet plan or a medication without asking what is driving weight resistance is why so many people cycle through programs without lasting results. NEOS identifies the actual driver.
Insulin resistance
Your cells stop responding to insulin, driving weight gain (especially belly fat), sugar cravings, and energy crashes. Frequently missed because standard glucose tests can look normal for years while insulin is elevated.
Hormonal imbalance
Perimenopause and menopause drive visceral fat and insulin resistance. Low testosterone in men causes muscle loss and metabolic slowdown. Chronically high cortisol drives belly fat storage.
Thyroid dysfunction
Undertreated or unrecognized thyroid dysfunction slows metabolism and traps weight. Standard TSH-only workups routinely miss meaningful thyroid issues.
Chronic stress & cortisol
Sustained cortisol elevation drives belly fat, disrupts hunger and satiety signals, and blocks weight loss. Stress physiology needs to be addressed directly, not managed with willpower.
Sleep & sleep apnea
Poor sleep quality and untreated sleep apnea are directly linked to weight resistance, insulin resistance, and metabolic disease. Screening for sleep issues is part of every workup.
Gut dysfunction & inflammation
Chronic gut inflammation drives insulin resistance and metabolic dysfunction. The gut microbiome directly influences how your body stores fat and regulates weight.
Metabolic care that is built for the long term
Real results come from identifying the drivers and treating them, not from another restrictive diet or standalone medication. Here is how care works.
Deep dive intake
A 60 minute initial consult that maps out your history and what is actually going on.
- Full symptom and weight history
- Prior diet, medication, and program attempts
- Hormonal, sleep, stress, and lifestyle context
Comprehensive workup
The full metabolic and hormonal picture, not just a scale weight.
- Full metabolic panel including fasting insulin, HOMA-IR, HbA1c, apoB, hs-CRP
- Full thyroid panel (TSH, free T3, free T4, antibodies)
- Sex hormones, cortisol, DHEA-S
- Micronutrient testing and sleep screening
Personalized protocol
The right tools for what your workup actually shows.
- Prescription management when clinically appropriate
- Hormone optimization to address hormonal drivers of weight resistance
- Targeted supplements (berberine, inositol, metabolic support)
- Sustainable nutrition and lifestyle guidance built to fit your life
Ongoing care & monitoring
Weight and metabolic care requires close monitoring, especially on medication.
- Safety labs and dose adjustments on evidence based intervals
- Plateaus addressed with data, not blame
- Direct message access to PA Pappas between visits
- Continuous glucose monitoring (CGM) available when clinically indicated
Education throughout
You will understand your metabolism, your protocol, and how to keep results.
- Understand what your labs mean and why they matter
- Know how each intervention is working in your body
- Learn the strategies that keep metabolic health for the long term
The full toolkit, matched to your workup
There is no one-size answer. The right combination depends on what your labs show and what your body needs.
Prescription medications when clinically appropriate as part of a comprehensive protocol. Includes appropriate patient selection, dose management, ongoing safety monitoring, and integration with hormone and lifestyle care.
Perimenopause and menopause care, testosterone therapy for men, thyroid optimization, and cortisol support. Weight resistance often improves substantially once the hormonal picture is addressed.
Berberine, myo-inositol, chromium, magnesium, and other targeted nutrients based on your specific metabolic profile and deficiencies identified on labs.
Personalized nutrition matched to your metabolic profile, along with movement, sleep, and stress interventions. Built for the long term, not another 30 day sprint.
What sustainable eating actually looks like
Not restrictive dieting. Not tracking every calorie. Balanced meals built around protein, quality fats, and fiber that support metabolic health long term.
Ready to actually address the drivers? Start here.
Book your free consultMetabolic health is health, full stop
Weight resistance is a symptom of underlying metabolic dysfunction, and metabolic dysfunction drives most of the chronic disease we see in medicine. Addressing it is one of the highest leverage things you can do for your long term health.
Insulin resistance and metabolic dysfunction are the leading drivers of cardiovascular disease. Restoring metabolic health protects your heart and vasculature over decades.
Insulin resistance is prediabetes years before glucose looks abnormal. Catching and reversing it is the difference between avoiding type 2 diabetes and being managed for it.
Weight and metabolic health drive hormone production and clearance. Restoring metabolic function supports fertility, mood stability, and daily energy.
Metabolic dysfunction is a driver of cognitive decline and dementia risk. Metabolic health protects brain function and physical capacity as you age.
Advanced testing when you need more data
When metabolic workup and standard labs are not telling the full story, these add-on tests can pinpoint what is driving weight resistance.
See in real time how specific foods affect your blood sugar and insulin. Invaluable for patients with insulin resistance, prediabetes, or unexplained weight resistance. Turns generic nutrition advice into personalized data.
Shows hormone metabolism and cortisol rhythm across the day. Helpful for identifying stress-driven weight resistance and hormone imbalances that standard blood work cannot see.
Beyond standard cholesterol: advanced markers like apoB, Lp(a), inflammatory markers, and detailed lipid subfractions for patients who want a deeper look at cardiovascular and metabolic risk.
Metabolic health starts with a real workup. Book yours.
Book your health analysisWeight care that is monitored, not just medicated
NEOS approaches weight and metabolic health as a serious clinical undertaking, not a fast track weight loss program. Prescription medications are one tool used within a comprehensive plan, prescribed only for appropriate patients with appropriate monitoring. Sustainability is built in.
All protocols follow evidence based clinical practice, with safety labs and dose adjustments on established intervals.
What patients ask before starting
Why can't I lose weight even though I am doing everything right?+
Weight resistance is almost never a willpower problem. When diet and exercise are not producing results, there is usually an underlying physiologic issue: insulin resistance, thyroid dysfunction, perimenopause or low testosterone, chronic cortisol elevation, undiagnosed sleep apnea, or gut dysfunction. Standard advice (eat less, move more) does not work when your physiology is actively holding on to weight. NEOS identifies which of these is driving your weight resistance and treats it directly.
Does NEOS offer prescription management for weight and metabolic health?+
Yes, when clinically appropriate. Prescription management is offered as part of a comprehensive protocol that includes full metabolic workup, appropriate patient selection, dose management, ongoing safety monitoring, and integration with hormone and lifestyle care. Prescriptions are one tool in a broader plan, not a standalone solution. NEOS focuses on sustainable metabolic health rather than short-term weight loss.
What causes weight resistance and metabolic dysfunction?+
The common drivers are insulin resistance and metabolic syndrome, hormonal imbalance (perimenopause, low testosterone, high cortisol), thyroid dysfunction, chronic stress and HPA axis disruption, sleep dysfunction including undiagnosed sleep apnea, and gut dysfunction with chronic inflammation. Most patients have more than one driver at play, which is why generic diet and exercise advice fails so often.
How do hormones affect weight?+
Enormously. Estrogen loss in perimenopause and menopause drives visceral fat accumulation, insulin resistance, and weight redistribution. Low testosterone in men causes loss of muscle mass and metabolic slowdown. Thyroid dysfunction directly slows metabolic rate. Chronically elevated cortisol drives belly fat and disrupts hunger and satiety signals. Without addressing the hormonal picture, weight loss efforts often fail.
What labs do you run for weight and metabolic workup?+
A comprehensive metabolic and hormonal baseline: CBC, CMP, HbA1c, fasting insulin, HOMA-IR (insulin resistance calculation), full lipid panel including apoB, full thyroid panel (TSH, free T3, free T4, thyroid antibodies), sex hormones (estradiol, progesterone, testosterone, DHEA-S), cortisol, hs-CRP for inflammation, and micronutrient testing. This is what allows us to identify the actual drivers of your weight resistance rather than guessing.
Do you use continuous glucose monitors (CGMs)?+
Yes, when clinically indicated. A CGM allows you to see in real time how specific foods affect your blood sugar and insulin response, which is invaluable for patients with insulin resistance, prediabetes, or unexplained weight resistance. It turns generic nutrition advice into personalized data about how your body actually responds.
Are results sustainable?+
Sustainability is the whole point. Our approach is built around addressing the root drivers of weight resistance (hormones, insulin, thyroid, stress, sleep, gut) so that results are not dependent on willpower alone or on staying on medication indefinitely. When prescription medications are used, they are one tool in a broader plan that includes strategies for maintaining metabolic health long term.
What is included in the NEOS metabolic health program?+
A 60 minute initial consult, comprehensive metabolic and hormonal lab workup including micronutrient testing, a personalized protocol combining hormones, medications when appropriate, targeted supplements, nutrition, and lifestyle guidance, direct access to PA Pappas between visits, safety and progress monitoring on evidence-based intervals, and ongoing education so you understand what your body is doing and why.
Ready for weight care that actually looks at your whole body?
Start with a free health analysis call. We will talk through your goals, your history, and whether NEOS is the right fit for your metabolic health journey.
Book a free health analysis