Over the past few years, GLP-1 receptor agonists — including semaglutide (Ozempic®, Wegovy®) and tirzepatide (Mounjaro®, Zepbound®) — have transformed the landscape of medical weight management. But amid the headlines, many patients still have important questions about how these medications work and what realistic expectations look like.
What Are GLP-1 Medications?
GLP-1 (glucagon-like peptide-1) is a hormone naturally produced in the gut after eating. It signals the pancreas to release insulin, tells the liver to reduce glucose production, and sends satiety signals to the brain — reducing appetite and slowing gastric emptying. GLP-1 receptor agonists mimic this effect in a sustained, pharmacological way.
What the Clinical Evidence Shows
- Semaglutide (Wegovy) produced an average weight loss of approximately 15% of body weight over 68 weeks in the landmark STEP trials.
- Tirzepatide (Zepbound) showed even greater results — some participants lost over 20% of body weight in the SURMOUNT trials.
- Both medications demonstrated significant improvements in blood sugar, blood pressure, and inflammatory markers.
- Semaglutide reduced major cardiovascular events by 20% in high-risk patients (SELECT trial, 2023).
What These Medications Cannot Do Alone
GLP-1 medications are powerful tools, but they work best as part of a comprehensive metabolic health program. Without the right support, rapid weight loss can cause significant muscle loss — which damages long-term metabolic health. Physician-supervised programs address this through protein-focused nutrition, resistance training, and regular body composition monitoring.
Is GLP-1 Therapy Right for You?
At Valens MD, we evaluate your complete health picture — metabolic markers, body composition, medication history, and personal goals — to determine whether and how these medications fit into your personalized plan. The goal is always sustainable, long-term metabolic health, not just short-term weight loss.
Valens MD Clinical Team
The Valens MD Clinical Team consists of board-certified physicians specializing in metabolic health, longevity, and wellness medicine. Our physician-led approach combines advanced diagnostics with personalized, evidence-based care.
