How Exercise Supports the Microbiome

When it comes to the microbiome, what you eat is important, but how you move matters, too. 

Discover three significant ways exercise impacts your microbiome—from fostering diverse, resilient bacteria to balancing the nervous system—and get recommendations for a sustainable, supportive movement routine. 

#1: It Increases Microbial Diversity & Good Bacteria

Studies have found regular movement is correlated with greater microbial diversity—and increased diversity has been linked to better digestion, stronger immunity, increased longevity, and more. Active individuals often have more beneficial bacteria than those with sedentary lifestyles, and exercise can increase short-chain fatty acid (SCFA) production, which supports the gut lining. 

Bottom line: Movement helps cultivate a stronger, more resilient microbiome.

#2: It Supports Digestion & Motility

Regularly moving your body stimulates the digestive tract, encouraging the healthy intestinal movement known as motility. Better GI motility prevents the stagnation of food and bacteria in the small intestine—a key factor in managing conditions like SIBO and IMO. Even the simple act of walking after a meal can significantly improve digestion and reduce bloating.

Bottom line: A moving body supports a moving gut.

#3: It Reduces Inflammation & Regulates Stress

Research has found that moderate exercise lowers inflammatory markers and helps regulate your body’s cortisol levels and overall stress response. This is crucial, as high stress levels can increase the output of hormones, like cortisol, which impact the digestive process and throw off your body’s healthy rhythms. By reducing stress and increasing motility, exercise creates a more hospitable environment for your microbiome to thrive.

Bottom line: Exercise creates a calmer, more efficient internal environment for your gut bacteria.

Gut-Friendly Exercises

Moderate Cardio (3–5x Per Week)

• Brisk walking
  

• Light jogging
  

• Cycling
  

• Swimming
  

Strength Training (2–3x Per Week)

• Weightlifting
  

• Bodyweight exercises
  

• Resistance bands
  

Light Movement (Daily)

• Post-meal walks
  

• Stretching
  

• Yoga or mobility work
  

Moderate, consistent exercise supports your microbiome, but it’s important to note that overtraining can have the opposite effect, increasing stress and potentially irritating the gut. Listen to your body and remember that recovery and high-quality sleep are just as essential to your gut health as movement itself.