Medically Supervised GLP-1 Weight Loss for Longevity™ Program – Portland & Lake Oswego, OR

Discover a doctor-supervised weight loss program in the Portland and Lake Oswego area that combines the power of GLP-1 medications (Semaglutide or Tirzepatide) with advanced testing, gut health support, and functional medicine coaching. Our Weight Loss for Longevity™ Program is designed for individuals seeking a personalized, results-driven, and sustainable approach to long-term health and vitality.

Advanced Body Composition Testing

Track your results with cutting-edge body composition analysis available only at our Portland and Lake Oswego clinic:

DXA Body Composition Scan – Establishes baseline fat, muscle, and bone density with clinical precision.
SECA BIA Body Fat Analysis – Performed at visits 1, 2, 4, 8, and 12 to monitor fat reduction, muscle preservation, and hydration trends.

This data-driven approach ensures your progress is accurate, measurable, and sustainable.

Functional Medicine Coaching & Continuous Glucose Monitoring (CGM)

Your program begins with a comprehensive functional medicine intake to personalize your plan. From there, you’ll benefit from:

Continuous Glucose Monitoring (CGM) – Stelo (1 Month): Real-time insights into how nutrition, stress, sleep, and activity affect blood sugar.
Four 1-on-1 Coaching Sessions: Personalized guidance and adjustments to keep your weight loss on track.

Our functional medicine coaches provide expert support tailored to your unique metabolic needs.

GLP-1 Medications, Gut Health & Nutritional Support

Our program integrates clinically proven tools and natural solutions:

GLP-1 Medications (Semaglutide or Tirzepatide): Prescription-only options for appetite regulation and metabolic balance.
Calocurb Natural Appetite Suppressant: A plant-based option for those seeking non-prescription support.
12-Week Gut Restoration Kit: Promotes microbiome diversity, digestion, and metabolic efficiency.

Benefits of the GLP-1 Weight Loss for Longevity™ Program

Clients in Portland and Lake Oswego choose this program for its holistic, supervised approach to weight loss and longevity:

Sustainable fat loss with preservation of lean muscle
Improved blood sugar balance and metabolic efficiency
Reduced risk factors for long-term health conditions
Increased energy, vitality, and resilience
Personalized coaching with ongoing accountability

Serving Portland & Lake Oswego, Oregon

Located conveniently near both Portland and Lake Oswego, our clinic provides access to advanced, medically supervised GLP-1 weight loss programs supported by expert practitioners in functional and longevity medicine.

If you’ve been searching for:

“GLP-1 weight loss program Portland Oregon”
“Semaglutide doctor near Lake Oswego”
“Tirzepatide medically supervised weight loss Portland”
“Best functional medicine weight loss program Oregon”

…you’re in the right place.

Start Your Weight Loss for Longevity™ Journey

Take the next step toward a healthier, more vibrant future. Our Medically Supervised GLP-1 Weight Loss for Longevity™ Program is tailored for long-term results, guided by science, and built around your individual goals.

For additional information and pricing, please contact us here: Contact Page.

Watch Dr. Kathryn Retzler's Weight Loss For Longevity™ Presentation. This video is for all those interested in Weight Loss and highly recommended for all patients signing up for Dr. Retzler's Weight Loss for Longevity™ Program.

Dr. Kathryn Retzler presents "Weight Loss for Longevity™"