Written by Jen Owen, Nurse Practitioner at the Flourish Center in Portland, Oregon

As a nurse practitioner, I often remind patients that good health truly begins in the gut. Over the past decade, research has shown just how important our gut microbiome—the trillions of bacteria, fungi, and other microorganisms living in our digestive system—is for whole-body wellness.

If you’ve been struggling with symptoms like bloating, fatigue, skin issues, or brain fog, your gut may be trying to tell you something. And thanks to advanced testing, we now have powerful tools to uncover what’s really going on inside. One of my favorites is the GI-MAP® stool test.

Why Gut Health Matters

Your gut is more than just a place where food is digested. It’s home to an intricate ecosystem that affects many aspects of health, including:

• Digestion & nutrient absorption – Your microbiome helps break down food and produce important vitamins.

• Immune support – About 70% of your immune system resides in the gut.

• Inflammation control – A balanced gut helps prevent unnecessary inflammation.

• Mind-body connection – The gut communicates with the brain and produces neurotransmitters like serotonin, influencing mood and focus.

When this balance is disrupted—by stress, diet, infections, or medications—you may start to notice symptoms that don’t seem obviously related to digestion but are rooted in gut health.

What is the GI-MAP® Stool Test?

The GI-MAP® (Gastrointestinal Microbial Assay Plus) is a comprehensive stool test that uses advanced DNA technology to look closely at the microbes in your gut. Unlike older methods, this test identifies the genetic material of organisms, making it highly accurate.

Here’s what it can reveal:

• Beneficial bacteria – Do you have enough of the “good guys”?

• Harmful or overgrown microbes – Bacteria, viruses, parasites, and fungi that can cause trouble.

• Digestive function – How well you’re breaking down food and absorbing nutrients.

• Immune markers – Signs of inflammation or stress within the gut.

Why This Test Can Make a Difference

One of the most valuable aspects of the GI-MAP® is that it allows us to create a personalized plan for your gut health. Instead of guessing or trying generic approaches, we can see exactly what needs attention and tailor a plan to restore balance.

Depending on your results, we may recommend:

• Nutrition strategies to support healthy microbes

• Specific probiotics or herbal therapies

• Digestive support to help your body absorb nutrients

• Approaches to reduce inflammation and strengthen the gut lining

Who Might Benefit?

The GI-MAP® can be a helpful tool if you experience:

• Chronic digestive concerns (bloating, constipation, diarrhea, reflux)

• IBS or IBD symptoms

• Ongoing fatigue or brain fog

• Skin issues like acne, eczema, or rosacea

• Autoimmune conditions

• Food sensitivities or unexplained inflammation

Even if you’re feeling well, this test can provide valuable insight into your microbiome and guide preventive care.

The Bottom Line

Your gut health has a ripple effect on your entire body. The GI-MAP® stool test offers a window into your unique microbiome, helping us uncover hidden imbalances and create a clear, targeted path toward better health.

If you’re curious about whether your symptoms may be linked to gut health—or if you simply want to optimize your wellness—I’d be happy to talk with you about whether the GI-MAP® test is a good option for you.

Gut Health is just one of the areas of Jen’s integrative medicine practice, learn more here.