
Growth hormone drops up to 80% by age 60. Inflammatory markers climb every decade. These are measurable changes, and they are treatable. Med Matrix uses advanced biomarker testing and physician-supervised peptide protocols to slow biological aging and restore the energy, cognition, and resilience you thought were gone for good.
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Sound Familiar?
Five years ago you could power through a full day, sleep hard, and bounce back by morning. Now the energy fades by 2 PM, your thinking feels slower, and recovery takes days instead of hours. Your doctor says it is normal. It is common, but it is not inevitable. These are signs of measurable biological decline, and every one of them has a treatable cause.
If you're experiencing any of these, we can help.



The Med Matrix Process
Your path to feeling like yourself again, step by step.
Talk with our patient coordinator to discuss your goals, symptoms, and concerns. We will help you understand your options and create a personalized next step, or point you in the best direction.
We run a comprehensive panel of 80+ lab markers along with a full body composition scan so nothing gets missed and your provider has the complete picture.
Our providers review your labs, medical history, and health questionnaires to build a personalized treatment plan tailored to your specific results and goals.
Sit down with your provider for a full hour to go over your results and build a personalized plan using the best of natural and modern medicine.
We continue monitoring your labs, adjusting your plan, and providing support to make sure you see real, measurable progress with your health.
The Difference
Anti-Aging Clinics & Med Spas typically lack all of the above.
Your Treatment Options
Aging is not random. It is driven by measurable biological processes: declining growth hormone, rising inflammation, shortening telomeres, and accumulating cellular damage. Longevity medicine targets these mechanisms directly with peptides, hormone optimization, and advanced diagnostics that measure your biological age, not just your calendar age.
We use advanced genetic and epigenetic testing to measure your biological age, identify genetic predispositions, and assess how your lifestyle and environment are affecting your gene expression. This data allows us to build a longevity protocol targeted at your specific aging mechanisms rather than applying a generic anti-aging template.
Growth hormone drops up to 80% by age 60, driving muscle loss, fat accumulation, thinning skin, poor sleep, and slower recovery. CJC-1295/Ipamorelin and Sermorelin stimulate your pituitary gland to restore natural GH production without the risks and costs of synthetic HGH. The result is improved body composition, deeper sleep, faster healing, and more resilient cellular function.
Your immune system weakens with age, a process called immunosenescence. Thymosin Alpha 1 stimulates T-cell production and maturation, strengthening your body's ability to fight infections, clear damaged cells, and maintain immune surveillance. It is used clinically for chronic infections, autoimmune conditions, and as a chemotherapy adjunct, and is one of the most evidence-backed peptides in longevity medicine.
Regenerative therapies including exosome therapy, PRP (platelet-rich plasma), and prolozone work at the tissue level to repair damage, reduce chronic inflammation, and stimulate your body's own healing response. Combined with hormone optimization and peptide therapy, regenerative medicine addresses the structural and cellular damage that accumulates with age.
Expert Care
Our providers bring together board-certified medicine, functional medicine, and specialized expertise so your plan is built on real data, not guesswork.

MD
Board-Certified Internal Medicine

ND, LAc
Naturopathic Doctor & Acupuncturist

PA-C, MMSc, IFMCP
Functional Medicine Provider

MPAS, PA-C
Physician Assistant

DC, DNM, MS, PA-C, FAAMFM, ABAAHP
Functional & Regenerative Medicine

DNP, ANP-BC
Adult Nurse Practitioner

Aesthetics Director & Co-founder
Patient Stories
Don't just take our word for it. Watch real patients share their experiences with Med Matrix.

Turning 60, grandmother lived to 100. Wants another 40 years but healthier. People say she looks younger. Lost 30 lbs, better skin, hair, mental clarity.

Explicitly focused on longevity. Hormone therapy plus peptides for his 'longevity journey.' More energy, more clarity, feels healthier.

'It put me in a position to learn how I could age as well as possible and not just wait for things to come up.' Comprehensive testing, gut mapping, prevention-first.

Feels like herself from 10 years ago. Understanding the biology behind aging. Lost weight, sleeping better, clarity around her health.

Age 65. Lost 50 lbs, off 3 prescription medications. No more high blood pressure or cholesterol meds. Dramatic health transformation.

Now feels in control of her health and her future. Proactive, preventative approach to aging well.
Learn More

See exactly what to expect during your initial consultation, from check-in to personalized treatment plan.

Why our approach to aging and longevity goes beyond what typical anti-aging clinics offer.
The Med Matrix Podcast
Our providers break down the science behind your health concerns and what you can do about them.

A comprehensive look at how peptides are being used to slow aging, improve cellular health, and extend health span.

Dr. Kreher and the Med Matrix team discuss the cutting edge of longevity medicine, from stem cells to peptides.

How declining hormones accelerate aging and what you can do about it before the damage compounds.

Sleep is the foundation of longevity. Learn how to optimize it for cellular repair and anti-aging benefits.
More Patient Reviews
“I came to Med Matrix because I was 52 and felt like 70. After six months on a peptide and hormone optimization protocol, my energy is back, my mind is clear, and my trainer says I am moving better than I was five years ago. This is real longevity medicine.”
“My skin looks better, I sleep through the night, and I have energy I have not had in years. The team ran tests my other doctors never even considered. For the first time, I feel like someone is actually helping me age well instead of just telling me to accept it.”
“I was skeptical about anti-aging treatments, but Med Matrix is different. Everything is based on lab work. Everything is monitored. I am 58 and I genuinely feel sharper and stronger than I did at 48. My only regret is not starting sooner.”
Visit Us
Conveniently located off the Maine Mall Road, serving patients across Maine & New Hampshire.



198 Maine Mall Rd
South Portland, ME 04106
Mon - Fri: 8:00 AM - 5:00 PM
By appointment only
Common Questions
It depends on what your labs show. Epithalon supports telomere maintenance, which is one of the fundamental clocks of cellular aging. CJC-1295 and Ipamorelin stimulate your pituitary to restore natural growth hormone production. BPC-157 reduces systemic inflammation and supports tissue repair. Thymosin Alpha-1 strengthens immune function, which declines with age. Your provider selects peptides based on your specific biomarker results, not a one-size-fits-all menu.
Each peptide targets a specific mechanism of biological decline. Growth hormone-releasing peptides restore the cell regeneration, muscle maintenance, and fat metabolism that erode as GH drops (up to 80% by age 60). Anti-inflammatory peptides like BPC-157 counteract "inflammaging," the chronic low-grade inflammation behind most age-related disease. Epithalon activates the enzyme that maintains telomere length, slowing one of the core drivers of cellular aging. The combined effect is a measurable reduction in your rate of biological decline.
Lifespan is how long you live. Health span is how many of those years you spend sharp enough to keep up with your grandkids, strong enough to stay independent, and energized enough to actually enjoy your life. Most people lose 10 to 20 years of health span to preventable decline. Our focus is closing that gap so your best years last as long as possible.
The biggest returns come from starting in your 40s or 50s, before the decline compounds. Growth hormone is already falling significantly by 40. Inflammatory markers are climbing. Hormone levels are shifting. Starting earlier means you are optimizing systems before they break down rather than trying to rebuild them after the fact. That said, patients at 60 and beyond still see meaningful improvements in energy, cognition, and biological age markers.
Supplements are guesswork without lab data. You do not know which pathways are actually declining, so you are throwing pills at a problem you have not measured. Longevity peptide therapy starts with 20+ biomarkers that reveal your actual biological age, identifies the specific mechanisms driving your decline, and then targets those mechanisms with pharmaceutical-grade peptides under medical supervision. Your protocol is adjusted based on retesting, not marketing claims on a bottle.
Not necessarily. Some patients use peptides in targeted cycles to reset specific systems and then maintain results with lifestyle and hormone optimization alone. Others benefit from ongoing maintenance protocols. Your provider designs a plan based on your labs, your goals, and how your body responds. The aim is sustainable results, not lifelong dependency.
We run 20+ biomarkers including hormones (testosterone, estrogen, DHEA, cortisol, thyroid panel with free T3, free T4, and reverse T3), inflammatory markers (CRP, homocysteine), metabolic markers (fasting insulin, glucose, full lipid panel), and nutrient levels (vitamin D, B12, magnesium). Together these give us a detailed picture of your biological age and exactly where the biggest opportunities for intervention are.
That is often where the best results come from. Hormones set the foundation: when thyroid, testosterone, or estrogen are optimized, your body actually uses the growth hormone that peptides help you produce. Better hormones lead to better sleep, which triggers more natural GH release, which drives better tissue repair, which reduces inflammation. Each improvement compounds the next. That layered approach is what separates this from taking a single supplement and hoping for the best.
Most patients report improved sleep quality and steadier energy within 2 to 4 weeks. By month 2 to 3, cognitive sharpness, body composition, and recovery times typically improve noticeably. Full optimization, including measurable biomarker shifts confirmed by retesting, usually takes 4 to 6 months. You will have data showing the changes, not just how you feel.
It is an investment, but it is more accessible than most people assume. We offer payment plans and work with patients to prioritize the interventions that will have the greatest measurable impact for their budget. Consider the cost of not addressing biological decline: the medications, the lost productivity, the quality of life you give up year after year. Proactive optimization is almost always less expensive than reactive sick care.
Med Matrix is a precision and functional medicine clinic that helps patients find and address the root cause of their health concerns. We use advanced testing, personalized treatment plans, and innovative therapies to improve energy, hormones, recovery, body composition, performance, and long-term health.
Med Matrix looks deeper than symptom management. Instead of simply treating surface-level issues, we use advanced diagnostics and personalized care plans to uncover what is really going on and create a strategy to help you feel and perform at your best.
Med Matrix is for adults who want to improve their health, fix ongoing symptoms, optimize hormones, lose weight, improve recovery, increase energy, enhance performance, and stay healthier as they age.
No. Med Matrix does not take insurance.
Yes. Many Med Matrix services can be paid for using HSA or FSA funds.
Yes. Med Matrix offers payment plan options.
The cost depends on your goals, the testing you need, and the treatments included in your personalized plan. Our team will walk you through pricing based on exactly what is right for you.
The first step is scheduling an initial consultation or discovery call. From there, we guide you through testing, provider review, and your personalized treatment plan.
Yes. Med Matrix offers telehealth for consultations, follow-ups, and lab reviews when appropriate.
Yes. Med Matrix provides detailed receipts and documentation that patients can use for HSA, FSA, or possible out-of-network reimbursement purposes.
Take the First Step
Take our free 2-minute quiz and find out if peptide therapy for longevity is right for you.