Med Matrix functional medicine and wellness clinic

Weight Loss Treatments

You've tried diets. You've tried exercise. The weight won't move. That's not a willpower problem. It's a metabolic problem. We test insulin, thyroid, hormones, and inflammation to find what's actually blocking your body from losing weight.

4.9 stars150+ reviews3,000+ patients7 providers
Weight Loss Treatments - functional medicine at Med Matrix South Portland Maine

Why Diets Keep Failing You

You've cut calories. You've done keto. You've tracked macros. You've hit the gym four days a week. And the scale barely moves. Or it moves for a month, then stalls. Or the weight comes off and comes right back. Every time.

Most people blame themselves. Not enough discipline. Not enough willpower. Not enough effort. But willpower has nothing to do with it when your metabolism is working against you.

Here's what's actually happening in your body:

  • Insulin resistance. Your cells have become resistant to insulin's signal to pull glucose out of the bloodstream. So glucose stays high, fat burning gets blocked, and your body stores everything you eat. You can be eating clean and still gaining weight because the fuel isn't getting into your cells.
  • Thyroid dysfunction. Your thyroid sets your basal metabolic rate (how many calories you burn at rest). If your T3 is low, even eating 1,500 calories a day can put you in a caloric surplus. Your brain literally thinks you're starving, and it drives you to eat more. This is the same neurological pattern seen in obesity.
  • Hormone decline. Testosterone in both men and women improves insulin sensitivity and determines where nutrients go (muscle or fat storage). Low testosterone means low dopamine, which means low motivation to exercise. It's a chain reaction. Estrogen and progesterone shifts during perimenopause and menopause drive weight gain that no amount of dieting can override.
  • Chronic inflammation. Stress, poor sleep, gut dysfunction, and environmental toxins all raise cortisol and inflammatory markers. Cortisol promotes fat storage around the midsection and destabilizes blood sugar. Two or three nights of poor sleep raises ghrelin (hunger hormone) and drops leptin (fullness hormone).

None of these show up on a standard annual physical. Your doctor checks your weight, maybe your blood sugar, and tells you to eat less and move more. That advice works when the problem is behavior. It fails when the problem is metabolic. And for most patients we see, it's metabolic.

GLP-1 medications are a tool. An incredible revolutionary tool. But they are not a replacement for good sustainable long-term habits.

Colin Renaud, PA-C: GLP-1s Are a Tool, Not a Replacement

Provider Insight

Life-changing. It's just incredible how seeing a doctor who cares and medicine that works.

Gordon: 50 Lbs Lost, Off Three Medications

Patient Story

Oh, it's like you wake up and you just feel better. It's simple. It's like, wow, I just feel better. I've lost that weight and just more energy and not swollen as much and you feel like you can tackle your day better.

Anthony: 37 Lbs Lost, Brain Fog Gone

Patient Story

Everything Under One Roof

Advanced testing, personalized protocols, and real results from a team that treats the whole picture.

Med Matrix clinic building in South Portland, Maine

4.9

from 150+ Google Reviews

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How Med Matrix Approaches Weight Loss

We don't start with a diet plan or a prescription. We start with data.

Your first visit is a 30-minute testing appointment. We draw a panel of roughly 100 biomarkers and run a full InBody 770 body composition scan. We're not just checking your weight. We're measuring fat mass, lean muscle mass, visceral fat, hydration, and your basal metabolic rate. On the blood side, we're looking at everything that affects your ability to lose weight:

  • Fasting insulin, glucose, HbA1c (insulin resistance and diabetes markers)
  • Full thyroid panel (TSH, free T3, free T4, reverse T3, antibodies)
  • Sex hormones (testosterone, estrogen, progesterone, DHEA)
  • Inflammatory markers (CRP, ESR)
  • Cortisol and stress hormones
  • Cholesterol and triglycerides
  • Nutrient levels (vitamin D, B12, ferritin, magnesium, zinc)

After your labs come back, one of our 7 providers reviews the full picture: labs, body composition, health history, medications, lifestyle, goals. Then you sit down for a one-hour visit where you go through every result together and build a plan.

That plan might include a GLP-1 medication like tirzepatide. It might include hormone optimization. It might include thyroid treatment, dietary changes, targeted supplements, or a combination. It depends on what your body is actually telling us.

About GLP-1 medications. Tirzepatide and semaglutide are peptides that reduce appetite, quiet food cravings (what providers call "food noise"), and improve blood sugar regulation. They work by affecting multiple layers of your metabolism simultaneously. They're not a magic pill. They're a tool. Without addressing diet, sleep, stress, hormones, and gut health alongside the medication, the weight comes back when you stop. That's why working with a provider who manages the full picture matters so much. Many patients tell us the GLP-1 permanently reframed their relationship with food and portion sizes, even after they stopped taking it.

We use compounded GLP-1 medications from regulated pharmacies. This lets us start at lower doses and titrate precisely, which reduces side effects and keeps costs down compared to brand-name auto-injector pens.

Colin Renaud, PA-C: GLP-1s Are a Tool, Not a Replacement - patient testimonial video from Med Matrix
Provider Insight

GLP-1 medications are a tool. An incredible revolutionary tool. But they are not a replacement for good sustainable long-term habits.

Colin Renaud, PA-C: GLP-1s Are a Tool, Not a Replacement

Watch at 40:00

How It Works

Your path to feeling like yourself again, step by step.

01.

Free Discovery Call

  • Talk with our patient coordinator about your goals, symptoms, and concerns
  • Understand your options and what to expect
  • Get matched with the right provider for your needs

Result: A clear next step personalized to your situation, with no pressure or commitment.

02.

80+ Biomarker Test & Full Body Scan

  • Comprehensive panel of 80+ lab markers
  • Full body composition scan
  • In-depth health questionnaires

Result: A complete picture of your health, so nothing gets missed.

03.

Medical Team Reviews Everything

  • Providers review your labs, medical history, and questionnaires
  • Cross-reference symptoms with biomarker patterns
  • Identify root causes, not just surface symptoms

Result: A personalized treatment plan built from real data, not guesswork.

04.

60-Minute Provider Consultation

  • Sit down with your provider for a full hour
  • Go over every result in detail
  • Build your personalized plan together

Result: You leave with a clear understanding of what is happening and exactly what to do about it.

05.

Ongoing Support & Progress

  • Continued monitoring of your labs and markers
  • Adjustments to your plan as your body responds
  • Direct access to your care team

Result: Real, measurable progress you can feel and see in your numbers.

Start Here

Real Patients, Real Results

4.9 stars150+ reviews3,000+ patients7 providers

Gordon turned 65 and weighed 285 pounds. He'd been seeing his primary care doctor for 40 years with no resolution of his migraines, fatigue, high blood pressure, high cholesterol, or arthritis. His doctor just kept covering up symptoms with prescriptions. Over about a year at Med Matrix, Gordon lost 50 pounds, came off three prescription medications, and resolved his blood pressure, cholesterol, knee pain, and arthritis through testing, dietary changes, and supplements.

Anthony came in after 8 months of feeling off, low energy, and brain fog with no progress from his regular doctors. Family members who were already patients told him about Med Matrix. Testing revealed he was one point away from pre-diabetes. Through a combination of tirzepatide, dietary guidance, and supplements, he lost 37 pounds, cleared the brain fog, and got his energy back.

These aren't outliers. We've treated over 3,000 patients at Med Matrix with a 4.9-star rating across 150+ Google reviews. Most of the patients who come in for weight loss have already tried everything their conventional doctor suggested. What they hadn't tried was finding out why the weight was there in the first place.

Gordon: 50 Lbs Lost, Off Three Medications - patient testimonial video from Med Matrix
Patient Story

Life-changing. It's just incredible how seeing a doctor who cares and medicine that works.

Gordon: 50 Lbs Lost, Off Three Medications

Watch at 2:00
Anthony: 37 Lbs Lost, Brain Fog Gone - patient testimonial video from Med Matrix
Patient Story

Oh, it's like you wake up and you just feel better. It's simple. It's like, wow, I just feel better. I've lost that weight and just more energy and not swollen as much and you feel like you can tackle your day better.

Anthony: 37 Lbs Lost, Brain Fog Gone

Watch at 2:10

Free Resource

Get Your Free Practice Guide

Includes a $100 voucher toward your first visit

Everything you need to make an informed decision: pricing, testing catalog, process timeline, provider bios, and real patient stories. No commitment required.

Pricing breakdown
100+ biomarkers explained
Step-by-step process
Meet the providers
Free practice guide and $100 voucher toward your first functional medicine visit

Free Practice Guide + $100 Voucher

Everything you need before your first visit

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Weight Loss Treatments FAQ

Online companies mail you a medication with no monitoring, no body composition tracking, no dietary guidance, and no exit strategy. You lose weight, but you don't know how much of it is muscle. You don't address the hormonal, thyroid, or metabolic issues that caused the weight gain in the first place. And when you stop the medication, the weight comes back because nothing underneath was fixed. At Med Matrix, the GLP-1 is one piece of a plan that includes full lab work, body composition tracking, hormone optimization, nutritional guidance, and ongoing provider supervision.

Not if we address the root causes while you're on it. The medication controls dysfunctional physiology temporarily. It doesn't permanently fix anything. That's why our approach includes fixing insulin resistance, optimizing hormones and thyroid, improving your diet, and building sustainable habits during the time you're on the medication. Many patients tell us the GLP-1 permanently changed their relationship with food and portion sizes. By the time they come off it, they're a different person metabolically and behaviorally.

Initial onboarding runs about $1,200 to $1,500 all-in, covering your blood panel, InBody body composition scan, provider prep, and your full one-hour provider visit. GLP-1 medications through compounding pharmacies are typically less expensive than brand-name versions. Follow-up visits are $275. We accept HSA, FSA, CareCredit, and all major cards. New patients get a $100 voucher toward their first visit.

Yes. Resistance training is not optional. Without it, research suggests a large portion of the weight you lose on a GLP-1 can be lean muscle mass. Muscle is the most important organ for longevity. Losing it while losing fat defeats the purpose. Your provider will talk through a resistance training plan and protein targets specific to your body. You don't need to train like a bodybuilder. Three to four sessions per week with weights is enough for most patients.

That's the most common thing we hear. Patients who have tried every diet, every program, every trainer, and still can't move the weight. In almost every case, the answer is in their labs. Insulin resistance that nobody tested for. Thyroid dysfunction that got missed because their doctor only checked TSH. Low testosterone that nobody thought to look at. Chronic inflammation from poor sleep or gut issues. We find the metabolic blocker, fix it, and the weight starts to move. It's not a willpower problem.

In most cases, yes. Tirzepatide is a dual GLP-1 and GIP receptor agonist, which means it works on two pathways instead of one. It has significantly fewer GI side effects than semaglutide. It also has stronger anti-inflammatory effects. A significant number of patients don't tolerate semaglutide well due to nausea and digestive issues. Tirzepatide is our preferred option for most patients, but your provider will make a recommendation based on your labs and health history.

Free practice guide and $100 voucher for functional medicine consultation at Med Matrix

Start Feeling Like Yourself Again

Get your free practice guide and a $100 voucher toward your first visit. No commitment, no pressure.