
Peptide therapy designed to slow cellular aging, restore vitality, and help you feel and perform like a younger version of yourself. Personalized protocols backed by advanced testing and real medical oversight.
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Sound Familiar?
You used to have energy that lasted all day. Your mind was sharp. Your body recovered quickly. Now everything feels like it is slowing down, and you are told that is just what happens with age. It does not have to be.
If you're experiencing any of these, we can help.
The Med Matrix Process
Your path to feeling like yourself again, step by step.
We assess your current health, energy, cognitive function, and aging concerns. This is a thorough medical evaluation focused on understanding where your body is aging fastest and why.
We run comprehensive panels including hormones, inflammatory markers, metabolic health, nutrient levels, and other biomarkers of aging to identify where your body needs the most support.
Based on your results, your provider prescribes a peptide and optimization protocol designed to slow aging, restore cellular function, and improve your quality of life at every level.
With ongoing monitoring and protocol adjustments, you will notice sharper cognition, deeper sleep, more energy, and a body that feels years younger.
The Difference
Anti-Aging Clinics & Med Spas typically lack all of the above.
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
Functional & Regenerative Medicine

DNP, ANP-BC
Adult Nurse Practitioner
Patient Stories
Don't just take our word for it. Watch real patients share their experiences with Med Matrix.

Feeling like herself again from 10 years ago, clarity around her health

How Renee now feels in control of her health

Patient experience with exosome therapy

Stem cells, TRT, functional medicine, and staff experience
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 and New Hampshire.
198 Maine Mall Rd
South Portland, ME 04106
Mon - Fri: 8:00 AM - 5:00 PM
By appointment only
Common Questions
Common longevity peptides include Epithalon (supports telomere length), CJC-1295/Ipamorelin (growth hormone optimization), BPC-157 (tissue repair and systemic protection), and others. Your provider will recommend peptides based on your lab results and specific aging concerns.
Different peptides target different aspects of aging. Some stimulate growth hormone release, which supports cell regeneration, muscle maintenance, and fat metabolism. Others reduce systemic inflammation, improve mitochondrial function, or support telomere maintenance. The result is a slowing of biological aging at the cellular level.
Lifespan is how long you live. Health span is how many of those years you live in good health, with energy, mobility, sharp cognition, and independence. Our focus is on extending health span so your best years last as long as possible.
The ideal time to start is in your 30s or 40s, before significant decline occurs. However, patients of any age can benefit. The earlier you begin optimizing, the more you can slow and even reverse certain aspects of biological aging.
Supplements can be helpful, but they are a small piece of the puzzle. Longevity peptide therapy is a medically supervised protocol based on comprehensive lab work. It targets specific biological pathways that supplements cannot reach, and it is monitored and adjusted by your provider over time.
Not necessarily. Some patients use peptides in targeted cycles, while others benefit from ongoing maintenance protocols. Your provider will design a plan based on your goals and response, with the aim of achieving sustainable results.
We run comprehensive panels including hormones (testosterone, estrogen, DHEA, cortisol, thyroid), inflammatory markers (CRP, homocysteine), metabolic markers (insulin, glucose, lipids), nutrient levels, and other biomarkers of aging. This gives us a complete picture of your biological age and where to focus.
Absolutely. In fact, combining peptide therapy with hormone optimization often produces the best longevity outcomes. Hormones set the foundation, and peptides enhance cellular repair, recovery, and regeneration on top of that foundation.
Most patients notice improved sleep and energy within the first 2 to 4 weeks. Cognitive improvements, body composition changes, and more significant vitality gains typically develop over 2 to 3 months. Full optimization usually takes 4 to 6 months.
Our goal is to make longevity medicine accessible. While it is an investment in your health, we offer payment plans and work with patients to prioritize the interventions that will have the greatest impact for their budget.
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.