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Fat Loss & Weight Management
April 14, 2025

The Best Way to Monitor Body Changes on Ozempic, Wegovy, or GLP-1 Medications

Taking Ozempic, Wegovy, or a GLP-1? Learn why DEXA scans are the best way to monitor fat loss, muscle retention, and bone health while on medication.

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5 min read
The Best Way to Monitor Body Changes on Ozempic, Wegovy, or GLP-1 Medications

GLP-1 medications like Ozempic, Wegovy, and Mounjaro have become go-to tools in the fight against obesity and type 2 diabetes. These drugs can dramatically reduce appetite and promote weight loss—but what kind of weight are you really losing?

If you're taking a GLP-1, it's crucial to track how your body is changing below the surface. That’s where a DEXA scan comes in. Unlike a scale or BMI chart, a DEXA scan shows exactly how much fat, muscle, and visceral fat you’re losing—so you can stay healthy and preserve your strength during the process.

The GLP-1 Weight Loss Effect: More Than Just the Scale

GLP-1 medications can help people lose 15–20% of their total body weight. But weight loss doesn’t always mean fat loss.

Many users unknowingly lose muscle mass and bone density along with fat—especially if they’re not exercising or eating enough protein. This can:

  • Lower your metabolism
  • Reduce strength and mobility
  • Increase risk of injury or bone loss

Why DEXA Scans Are Essential While on Ozempic, Wegovy, or GLP-1s

A DEXA scan is the most accurate way to measure how your body is responding to treatment. It gives you:

  • Total body fat %
  • Lean muscle mass (arms, legs, trunk)
  • Visceral fat in grams (linked to chronic disease)
  • Bone mineral density

In just 6 minutes, you’ll know:

  • How much muscle vs. fat you’re losing
  • Whether your visceral fat is improving
  • If your bones are staying strong

What to Track While on a GLP-1 Medication

Metric Why It Matters
Lean muscle mass Preserves strength and metabolism
Body fat % Shows real fat loss—not just water/weight
Visceral fat Indicates long-term disease risk
Bone density Protects against fractures and osteoporosis


How to Stay Lean and Strong on GLP-1s

To get the best outcome from Ozempic or Wegovy:

  • Lift weights 2–4x/week to retain muscle
  • Eat enough protein (0.8–1g per pound of bodyweight)
  • Use Zone 2 cardio to support fat loss
  • Get a DEXA scan every 4-8 weeks to monitor changes

Remember: Fat loss is good—muscle loss is not. DEXA helps you catch the difference early and adjust accordingly.

How Often Should You Get a DEXA Scan on a GLP-1?

  • Before starting treatment: Establish your baseline
  • Every 4-8 weeks: Track fat loss, muscle retention, and bone health
  • After major milestones (e.g., 10% weight loss): Reassess and adjust your plan

Book Your DEXA Scan in San Francisco at KALOS Today

If you're using Ozempic, Wegovy, or any GLP-1 medication, don’t leave your progress to the scale. KALOS offers precision DEXA scans in San Francisco to help you track fat loss, protect muscle, and stay in control of your health throughout your journey.

Schedule your scan today at KALOS—your journey to data-driven fitness starts now.

Schedule your DEXA scan today!

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