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Fat Loss & Weight Management
September 25, 2025

Does Intermittent Fasting Work for Everyone? What a DEXA Scan Can Prove

Intermittent fasting doesn’t work for everyone. Learn how DEXA Scans prove whether IF is helping you lose fat, preserve lean mass, and improve health.

Author
5 min read
Does Intermittent Fasting Work for Everyone? What a DEXA Scan Can Prove

Intermittent fasting (IF) has exploded in popularity, with many people swearing by its ability to accelerate fat loss, boost energy, and even improve longevity. But here’s the catch: intermittent fasting doesn’t work equally well for everyone. Some thrive, while others struggle, or even lose muscle in the process. The key to knowing whether it’s right for you lies in objective body composition data from a DEXA Scan.

At Kalos, we help clients go beyond the hype by using real numbers to evaluate whether fasting is moving them toward their goals, or holding them back.

Why Intermittent Fasting Works for Some

  • Calorie Reduction: Skipping meals often leads to a natural calorie deficit.
  • Improved Insulin Sensitivity: Shorter eating windows may help regulate blood sugar and support fat burning.
  • Simplicity: Many find IF easier to follow than restrictive diets.

Why It Doesn’t Work for Everyone

  • Muscle Loss Risk: Inadequate protein intake during short eating windows can lead to lean mass decline.
  • Compensatory Overeating: Some people make up for skipped meals by overeating later, negating progress.
  • Performance Drops: High-intensity training often suffers without consistent fuel.
  • Hormonal Sensitivity: Women in particular may experience disrupted energy, sleep, or cycles on fasting schedules.

How DEXA Scans Reveal the Truth

A DEXA Scan can answer the most important questions:

  • Are you losing fat, or just weight?
  • Is lean muscle being preserved, or sacrificed?
  • Is visceral fat decreasing, or staying the same?
  • Are changes sustainable over multiple cycles?

With monthly or bimonthly scans, you can clearly see if intermittent fasting is driving real progress, or simply giving the illusion of it.

How to Personalize Intermittent Fasting with Data

  • Get a baseline scan before starting.
  • Prioritize protein intake during eating windows.
  • Pair IF with resistance training to protect lean mass.
  • Re-scan every 4–8 weeks to confirm fat loss is happening without sacrificing muscle.

Intermittent Fasting: One Size Doesn’t Fit All

Intermittent fasting can be effective, but only if it works for your body. A DEXA Scan provides the data to prove whether IF is helping you lose fat, preserve muscle, and improve long-term health, or whether another approach might be better.

Book Your DEXA Scan with Kalos Today in Downtown San Francisco or Palo Alto!

If you’re ready to take control of your health with the most accurate body composition analysis available, it’s time to book your DEXA scan at Kalos. Whether you’re looking to get lean, build muscle, improve performance, or optimize longevity, our advanced technology and expert guidance will help you get there.

Schedule your scan today at Kalos, your journey to data-driven fitness starts now.

Schedule your DEXA scan today!

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