top of page

Is a Parasite Causing Your Digestive Problems? What Most Doctors Never Check

  • Writer: Dr. Alex Sheppard
    Dr. Alex Sheppard
  • Jun 17
  • 10 min read

Updated: Jun 18

Your Gut Has Been Trying to Tell You Something


Dr. Alex Sheppard at Oasis Chiropractic & Wellness Center in Cottage Grove, MN performing Nutrition Response Testing to identify a parasite as the root cause of digestive problems

Stomachaches. Nausea. Unpredictable diarrhea. Constipation that won't quit. Bloating so severe you look three months pregnant by dinner. If you've been living with digestive symptoms like these, you've probably already seen a GI specialist, tried an elimination diet, or been handed a diagnosis like IBS, Crohn's disease, or celiac — and told to manage it.


But what if the diagnosis isn't wrong, exactly — it's just incomplete?

What if there's an underlying cause driving your digestive dysfunction that hasn't been identified because your doctor never thought to look for it?


At Oasis Chiropractic & Wellness Center in Cottage Grove, MN, we see this pattern constantly: patients who've been managing digestive symptoms for years — sometimes decades — who finally get relief once we identify and address the actual root cause. And in a significant number of those cases, that root cause is a parasite.


Not a rare, exotic tropical parasite. A common, everyday parasite that most people have — and most doctors never test for.


Parasites: More Common Than You Think


Everyone Has Them


This is the part of the conversation that surprises people most.


Parasites are not a third-world problem. They are not limited to people who travel internationally or eat sushi. They are extraordinarily common — present in the bodies of the vast majority of people walking around right now, including people who eat clean, exercise regularly, and take excellent care of their health.


How does exposure happen? Almost anywhere:


  • Food — undercooked meat, unwashed produce, contaminated water used in food preparation

  • Water — tap water, lake water, well water, even filtered water in some cases

  • Soil contact — walking barefoot outdoors, gardening without gloves

  • Air — yes, certain parasitic organisms can be airborne

  • Pets — dogs, cats, and other animals are common carriers that transmit parasites through close contact, licking, or shared environments


The reality is that parasite exposure is unavoidable in daily life. The question isn't whether you've been exposed — it's whether your body is managing that load effectively, or whether it's become a significant stressor on your health.


Why Your Doctor Probably Hasn't Found It


Here's the problem with standard parasite testing: it almost never works.


The conventional approach is a stool test. The idea is that parasites living in the digestive tract will show up in stool samples. The reality is far more complicated.


Most parasites don't live in the stool. They burrow into organs — the liver, the intestinal wall, the lymphatic system, muscle tissue. They dig in and hide. The only time a standard stool test catches a parasite is if the body happens to be actively releasing one at the exact moment the sample is collected.


The odds of that happening? Low. Which is why stool tests miss the vast majority of parasite infections — and why so many patients are told they're parasite-free when they aren't.


The Connection Between Parasites and Digestive Disease


Digestive symptoms can have more than one hidden trigger, which is why we look beyond labels and focus on the stressors affecting the gut. If you’re dealing with bloating, irregular bowel movements, or ongoing gut discomfort, you may also want to read about parasite cleanse support for hidden gut stressors and how Quantum Nutrition Testing connects gut health with energy, mood, and immunity. For patients who have already tried diet changes without clear answers, our guide on food sensitivities and root-cause gut support may also help explain why symptoms can keep returning.


IBS, Crohn's, and Colitis — Is the Diagnosis Hiding the Cause?


Irritable Bowel Syndrome. Crohn's disease. Ulcerative colitis. Celiac disease. These are real conditions — but they are also, in many cases, descriptions of symptoms rather than explanations of cause.


When a patient is told they have IBS, what they've been told is: "Your bowel is irritable, and we don't know why." The diagnosis names the symptom. It doesn't identify what's driving it.


In clinical practice, I've seen patient after patient whose "IBS" or "Crohn's-type symptoms" resolved — or dramatically improved — once a parasitic infection was identified and addressed.


One recent patient had been living with Crohn's-type symptoms for years. Abdominal cramping, urgent diarrhea, fatigue, and a level of anxiety that seemed connected to her gut. She'd had colonoscopies, blood work, dietary overhauls. Nothing resolved it.


Through Nutrition Response Testing and muscle testing, we identified a parasitic infection as the primary underlying stressor. We built a protocol specifically designed to clear the parasite while protecting her digestive system throughout the process.


Within weeks, she noticed improvement. Within a few months of working through a full parasite cleanse, the symptoms that had defined her daily life for years were largely gone.


Her GI doctor had never mentioned parasites. Not once.


How We Find What Standard Testing Misses


Nutrition Response Testing and Muscle Testing for Parasites


At Oasis, we use Nutrition Response Testing (NRT) — a non-invasive form of muscle testing and applied kinesiology — to assess the body's functional responses to specific stressors, including parasites.


Rather than waiting for a parasite to show up in a stool sample, NRT allows us to evaluate how the nervous system and organs respond when exposed to specific parasite indicators. We can identify not only whether a parasitic stressor is present, but what type — which is critical for building an effective treatment protocol.


This approach consistently outperforms standard stool testing for a straightforward reason: the body's nervous system knows what's there. It's been responding to it, compensating for it, and being burdened by it — often for years. We're simply listening to what it's already trying to tell us.


The Treatment Protocol: It's Not as Simple as "Take This Pill"


This is where the Oasis approach differs significantly from a one-size-fits-all parasite cleanse you might find at a health food store.


Killing parasites is only one part of a successful protocol — and it's actually not the first step.


Step 1: Open the Drainage Pathways


Before we kill anything, we make sure the body can actually eliminate what's about to be released.


When a parasite dies, it releases toxins. If your liver, gallbladder, small intestine, and colon aren't functioning properly — if you're not having daily, substantive bowel movements — those toxins get reabsorbed into the bloodstream instead of excreted. This is called a Herxheimer reaction, and it can make patients feel significantly worse before they feel better.


We avoid this by establishing proper drainage first. That means supporting liver and gallbladder function, optimizing colon motility, and confirming that the body's elimination channels are open and working before we introduce anything that will increase the toxic load. Our MVX Plus Detox Program plays a key role here — preparing the body's elimination pathways before any antiparasitic protocol begins.


Step 2: The Parasite Cleanse


Once drainage pathways are functioning properly, we introduce targeted antiparasitic protocols using professional-grade herbal formulas chosen specifically based on what NRT has identified.


These are not generic "gut cleanse" products. They are precise, clinically chosen remedies matched to the type of parasite the body is responding to.


Step 3: Binders


As parasites die, they release toxins. Binders — specific compounds that have an affinity for these toxins — are introduced to capture and escort those toxins out of the body before they can be reabsorbed or recirculated.


This step is what separates a protocol that makes patients feel better from one that makes them feel worse.


What Patients Experience


Most patients begin noticing meaningful relief from their digestive symptoms within a few weeks to a couple of months of starting the protocol — depending on the severity and duration of the infection and how well drainage was established.


Full parasite cleansing, however, is not a two-week process. A thorough, complete protocol typically takes several months — often up to six months — to work through the full parasite burden and support the body's recovery.


What patients consistently report during this process:


  • Digestive symptom relief — reduction in bloating, cramping, irregular bowel movements

  • Increased calm — many patients are surprised to find their anxiety decreases as parasite load decreases. The gut-brain connection is real, and parasites actively disrupt it.

  • Improved energy — as the body stops diverting resources toward managing a chronic parasitic stressor, energy levels often improve noticeably

  • Better sleep — parasites are often more active at night, which disrupts sleep cycles in ways that are rarely connected to their true cause


What's Quietly Damaging Your Gut Before You Even Eat


The Glyphosate Problem


There is another factor contributing to the epidemic of digestive dysfunction in America that deserves direct discussion: glyphosate.


Glyphosate — the active ingredient in Roundup and the most widely used herbicide in the world — was designed to kill plants by disrupting a specific biological pathway called the shikimate pathway. The logic was simple: humans don't have a shikimate pathway, so glyphosate should be safe for us.


The problem is that the bacteria in your gut do have a shikimate pathway. And glyphosate disrupts them.


A 2024 systematic review published in Food & Function found that glyphosate and its formulations induce intestinal dysbiosis — a disruption of the gut microbiome — by altering bacterial metabolism, damaging intestinal permeability, and impairing mucus secretion. The same review noted that these alterations have been linked to conditions including Crohn's disease and systemic neurological effects.


A 2025 study published in Frontiers in Toxicology found that glyphosate exposure decreases levels of beneficial Lactobacillus bacteria in the gut — which in turn reduces serotonin production, promoting anxiety and impaired emotional regulation.


In other words: the herbicide sprayed on the food most Americans eat every day is actively damaging the gut environment that parasites exploit. A compromised gut lining, a disrupted microbiome, and impaired immune function create precisely the conditions in which parasitic infections thrive.


This is not a fringe theory. This is published, peer-reviewed science.


At Oasis, we assess for glyphosate and chemical toxicity as part of our comprehensive NRT evaluation — because gut healing is nearly impossible without addressing the environmental burden that continues to compromise the terrain.


Why Oasis Chiropractic & Wellness Center


For over 23 years, Oasis has been helping patients in Cottage Grove and the South Metro find real answers to stubborn health challenges. Dr. Alex Sheppard and the Oasis team offer a comprehensive, integrated approach that combines Nutrition Response Testing, Quantum Nutrition Testing (QNT), targeted nutritional protocols, and the MVX Plus Detox Program.


We don't guess. We test. We don't treat symptoms — we find causes.


If you've been living with digestive symptoms that haven't responded to conventional treatment, we'd be honored to be your next call.


Parasites and Digestive Problems: Take the Next Step


Your gut is sending a message. Let's find out what it's saying.


🦠 Your "IBS" Might Have a Name You've Never Heard.


You've tried the elimination diets. You've had the colonoscopies. You've been told it's stress, it's genetics, it's just something you'll have to manage. But what if the real driver has been sitting there the whole time — undetected by the one test everyone relies on?

At Oasis Chiropractic & Wellness Center, we use Nutrition Response Testing to find what stool tests miss — then build a precise, three-step protocol to clear it safely and restore your gut for good.



  • 🌐 Book online: www.cottagegrovechiro.com

  • 📞 Call us: 651-797-3262

  • 📍 Cottage Grove, MN — and virtual consultations available


Your gut is sending a message. Let's find out what it's saying.


About the Author


Dr. Alex Sheppard, DC

Dr. Alex Sheppard, DC Co-Founder, Oasis Chiropractic & Wellness Center

Dr. Alex Sheppard, DC is a co-founder of Oasis Chiropractic & Wellness Center in Cottage Grove, Minnesota, where he has spent more than 23 years helping patients move from surviving to thriving. He is trained in Quantum Nutrition Testing (QNT) and Nutrition Response Testing (NRT), two advanced, noninvasive approaches that identify the hidden stressors blocking the body's ability to heal. Dr. Sheppard is passionate about combining chiropractic care, targeted nutrition, and holistic testing to help busy people in the South Metro finally get the answers — and results — they've been looking for.


Frequently Asked Questions


1. How do I know if I have a parasite if my stool test was negative?

A negative stool test does not rule out a parasitic infection. Most parasites do not live in the stool — they burrow into organs, intestinal walls, and lymphatic tissue where stool tests cannot reach them. At Oasis, we use Nutrition Response Testing and muscle testing to assess the nervous system's response to specific parasite stressors, which is a far more reliable method of identifying parasitic infections than standard stool testing.


2. Can parasites really cause IBS or Crohn's symptoms?

Yes. In clinical practice, we regularly see patients whose IBS, Crohn's-type, or colitis symptoms have a parasitic infection as the underlying driver. The diagnosis names the symptom — it doesn't explain the cause. Once the parasitic stressor is identified and addressed, many patients experience significant improvement in symptoms that conventional treatment had not resolved.


3. What does a parasite cleanse protocol at Oasis involve?

Our protocol has three phases: first, we open and optimize the body's drainage pathways — liver, gallbladder, small intestine, and colon — to ensure toxins can be properly eliminated. Second, we introduce professional-grade antiparasitic herbal formulas matched specifically to the type of parasite identified through NRT. Third, we use binders to capture toxins released by dying parasites and escort them safely out of the body, preventing reabsorption.


4. How long does a full parasite cleanse take?

Most patients begin noticing meaningful relief within a few weeks to a couple of months. However, a thorough, complete parasite cleansing protocol typically takes several months — often up to six months — depending on the severity and duration of the infection. This is not a quick fix, but patients consistently report significant and lasting improvement when the protocol is followed through.


5. What does it feel like as parasites die off?

Most patients feel better as parasites die off — not worse. Relief from digestive symptoms, improved energy, reduced anxiety, and better sleep are commonly reported. When drainage pathways have been properly established beforehand, the die-off process is generally well-tolerated. Patients often report feeling noticeably calmer as the parasitic burden decreases, which reflects the deep connection between gut health and the nervous system.


6. What is glyphosate and why does it matter for my gut health?

Glyphosate is the active ingredient in Roundup, the world's most widely used herbicide. It is present on the majority of non-organic conventionally grown crops. Research published through 2024 and 2025 shows that glyphosate disrupts the gut microbiome by targeting beneficial bacteria, increasing intestinal permeability, and impairing mucus secretion — creating conditions that allow pathogens including parasites to thrive. At Oasis, we assess for glyphosate and chemical toxicity as part of our comprehensive evaluation, because gut healing requires addressing the environmental factors that continue to compromise gut integrity.

Comments


bottom of page