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July 17, 2025

What Your Body Composition Can Tell You About Your Gut Health

Gut health issues often show up in your body composition. Discover how visceral fat, lean mass, and DEXA scan data can reveal deeper insights into your metabolic and digestive health.

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5 min read
What Your Body Composition Can Tell You About Your Gut Health

Gut health is often thought of in terms of bloating, digestion, and probiotics—but there’s a deeper, more systemic connection most people miss: your body composition. That’s right—your levels of fat, muscle, and visceral fat can reveal important clues about your gut health and microbiome function.

At Kalos, we’ve seen patterns in DEXA Scan San Francisco clients that suggest when your gut health is off, your body composition often reflects it—and vice versa.

Let’s explore the surprising relationship between gut health and body composition—and how you can track both to optimize your results.

How Gut Health Affects Body Composition

The gut microbiome influences everything from nutrient absorption to inflammation to insulin sensitivity. When your gut is healthy, your metabolism works efficiently, your energy is steady, and your body composition tends to improve naturally.

But when gut health is compromised, the effects show up in your body composition:

  • Increased visceral fat
  • Decreased muscle protein synthesis
  • Sluggish metabolism
  • Increased cravings and dysregulated appetite
  • Higher inflammation and water retention

This isn’t just theory—research consistently links gut dysbiosis (imbalanced gut bacteria) with higher fat mass and lower lean mass.

Signs Your Body Composition May Be Reflecting Gut Issues

Here are red flags we often see in clients that may signal a deeper gut imbalance:

  • High visceral fat despite clean eating or exercise
  • Inability to gain or maintain lean muscle even with resistance training
  • Plateaus in fat loss despite calorie deficits
  • Frequent bloating, fatigue, or digestive discomfort
  • Inconsistent energy or mood, especially post-meal

These can indicate inflammation, poor nutrient absorption, or microbiome imbalance—all of which can be tracked over time with changes in DEXA body composition data.

Why Visceral Fat Is a Key Gut Health Marker

Visceral fat isn’t just about aesthetics—it’s a sign of deeper metabolic dysfunction, often linked to:

  • Leaky gut syndrome
  • Insulin resistance
  • Low microbial diversity
  • Elevated systemic inflammation

DEXA scans are one of the few tools that can measure visceral fat directly—and that makes them a powerful tool for anyone focused on gut health and whole-body wellness.

What to Do If Your DEXA Scan Suggests Gut Dysfunction

If your DEXA scan shows increased visceral fat, reduced lean mass, or stalled fat loss, and you’re also experiencing gut symptoms, it’s time to:

  1. Address Inflammation
    • Eliminate processed foods, seed oils, and excess sugar
    • Add anti-inflammatory foods like turmeric, ginger, and wild salmon
  2. Support the Microbiome
    • Eat a diverse, fiber-rich diet (prebiotics + probiotics)
    • Limit artificial sweeteners and alcohol
    • Consider stool testing or working with a functional health practitioner
  3. Train Intelligently
    • Keep resistance training consistent
    • Avoid overtraining, which increases gut permeability and cortisol
  4. Track Monthly with DEXA
    • Watch how visceral fat, lean mass, and total fat respond over time
    • Use this data to fine-tune your gut health strategy

Your Gut and Body Composition Speak the Same Language

You don’t need a gut test to know something’s off—your body composition can be an early warning sign. At Kalos, our clients use monthly DEXA Scans in San Francisco to track their progress not just toward aesthetic goals, but toward deeper health and longevity.

Book Your DEXA Scan in San Francisco at Kalos Today

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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