Lyme, Gut Flora and Immunity: The GAPS Explanation

The GAPS explanation of chronic Lyme focuses on the relationship between microbes, gut flora, immunity and environmental load. Dr. Natasha Campbell-McBride develops that explanation in the “Toxins and Parasites” chapter and the A–Z chronic-infection entry of her 2020 book.^[1][2]

If you have read several Lyme articles, the same words can start doing too much work. A biofilm, a positive antibody result, fatigue and an environmental exposure are different pieces of information. Here is how the book connects them, with the source of each explanation kept clear.

The Book Looks Beyond One Microbe

Campbell-McBride names Borrelia alongside rickettsia, babesia, bartonella, ehrlichia, anaplasma, chlamydia and mycoplasma. Her wider list also includes fungi, worms, flukes, prions and viruses such as coxsackievirus, CMV, EBV and VZV. The Toxins and Parasites chapter also names tularemia and protozoa. This is the broad community she discusses, not a finding that every reader carries every listed agent.^[1][2]

The chapter describes multiple microbial forms, including spiral, straight, granular, cyst, spore, mycelial and cell-wall-deficient forms. These are forms named across the discussion. It would be misleading to say that each organism takes every form, or that prions are bacteria. The book’s larger point is that chronic illness cannot always be reduced to one organism in isolation.^[1]

Biofilms and Testing in the Source

The A–Z entry describes mixed biofilms in body tissues as protecting microbes from the immune system. It criticizes standard testing for false-positive and false-negative results and names ELISpot as an alternative it considers somewhat more effective. It also says no test is completely accurate.^[1]

That passage does not establish a sensitivity figure for your test, a diagnosis of hidden infection or a reason to order ELISpot. Nor does it show that every negative antibody result is caused by a biofilm. The practical information to keep is the test name, date, complete result and timing relative to symptoms and treatment.

Current antibody-test guidance adds a useful distinction: results may be negative early and remain positive long after an infection. Your history and examination matter alongside testing. Keep that distinction separate from the book’s broader biofilm explanation.^[3]

Gut Flora and Immune Function

In the Lyme FAQ, Campbell-McBride describes healthy bodily flora as essential to immune function. Her concern is that extensive antibiotic use can damage that flora, leaving a person less able to manage Borrelia and other microbes. She uses honeybees exposed to agricultural chemicals as an analogy for immune vulnerability in a changed environment.^[4]

Her explanation puts the focus on nourishment and restoring the body’s capacity to handle its microbial community. The antibiotic classes and gut-flora guide covers the wider antibiotic discussion. The Lyme-specific distinction between acute treatment and chronic symptoms is in the overview.

Environmental Exposure and the Glyphosate Reference

The Toxins and Parasites chapter proposes that a chemically contaminated body recruits fungi and other organisms to help with a cleaning process. Campbell-McBride places chronic Lyme within that framework. She names glyphosate, other chemicals, electromagnetic pollution and GMO food, while explicitly saying that glyphosate is only one part of the exposure picture.^[2]

She describes a correlation between rising glyphosate use and chronic illness and identifies North America as heavily exposed. Her reference to Benbrook’s 2016 paper supports the scale and increase of herbicide use. That study compiled application data; it did not test GAPS or establish that glyphosate caused an individual’s Lyme disease.^[2][5]

She explicitly includes many organically produced foods in that exposure account; she does not limit the discussion to conventionally grown food.^[2]

Keep an actual exposure history if you have one: the product, work or household setting, approximate dates and what happened. A headache, tiredness or a positive Lyme test cannot measure a chemical burden. You do not need to invent an exposure history to make the GAPS explanation fit.

Why the Book Questions Long Antibiotic Courses

The chronic-infection entry describes powerful antibiotic treatment, sometimes extending for two years or more, as partly helpful for some patients. It reports that many remain unwell and describes cell-wall-deficient microbes, systemic fungal problems and worsening despite Borrelia becoming undetectable on testing. It also mentions the Cowden approach as an alternative that can be expensive. These are the book’s clinical comparisons, not instructions to choose or stop a treatment yourself.^[1]

The 2018 MSIDS paper cited by the book uses a 16-part model and an observational survey and retrospective chart review of 200 patients. It reports symptom improvements during dapsone combination treatment while examining other overlapping contributors. It supports looking at a wider clinical picture; it is not a trial of GAPS and does not show that food alone replaces antibiotic treatment.^[6]

These sources discuss different treatment accounts. Keep the actual benefit, lack of benefit and unwanted effects of your own treatment in the history rather than assuming in advance that every antibiotic helped or every antibiotic harmed.

Fermented Foods in the Cleaning Framework

In the Toxins and Parasites chapter, Campbell-McBride describes fungi and other organisms as participating in chemical handling and proposes adding beneficial microbes rather than trying to eliminate all microbial life. She presents kefir grains and kombucha cultures as mixed microbial communities and describes homemade kefir, kombucha and fermented vegetables as useful sources of beneficial microbes.^[2]

Her text also describes microbes in fermented foods reducing pathogenic microbial load. That is the role she gives them in this framework, not a measured infection-clearance result from drinking a particular jar of kefir. Food permission, dairy introduction and personal tolerance still apply. The food and progression guide explains where those choices fit.

Where Fatigue Fits

The separate fatigue entry connects mitochondrial energy production, toxic load, inflammation and autoimmune activity, including a discussion of anti-mitochondrial antibodies. It also describes overlap with Lyme and MSIDS. These are the source’s explanations for that condition group, not a reason to infer mitochondrial disease, autoimmune disease or Lyme from feeling tired.^[7]

The fatigue overview keeps those details together. If the immediate difficulty is eating and keeping food available, turn to the Lyme food guide. If you need to explain what changed, the record guide gives you a place to begin.

Bring the Explanation Back to Your Question

My Care Team Log is intended to hold those details and the questions you want to follow up. A dated notebook is enough to start. You can ask one clear question without deciding the entire mechanism for yourself.

References

1. Campbell-McBride, N. Gut and Physiology Syndrome (2020), A–Z, Lyme disease, MSIDS and other chronic infections.
2. Campbell-McBride, N. Gut and Physiology Syndrome (2020), Toxins and Parasites, fungal and Lyme discussions.
3. CDC, Testing and Diagnosis for Lyme Disease.
4. Campbell-McBride, N. Official GAPS FAQs, Lyme Disease, questions 1 and 2.
5. Benbrook, C. M. (2016). Trends in Glyphosate Herbicide Use in the United States and Globally. Environmental Sciences Europe 28, 3.
6. Horowitz, R. I., and Freeman, P. R. (2018). Precision Medicine and the MSIDS Model, Part 2, Abstract, Introduction and model description. Healthcare 6(4), 129.
7. Campbell-McBride, N. Gut and Physiology Syndrome (2020), A–Z, Fatigue, CFS, Fibromyalgia and ME.