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    Digestive System

    Small Intestine

    The small intestine is the engine room of nutrient assimilation, a 6-7 metre long tube where 90% of all nutrition is absorbed into the bloodstream.

    CATEGORY: SIBO & Small Intestine HealthSYSTEM ID: digestive
    EDUCATIONAL CONTENT

    This article is provided for informational and educational purposes only. It does not constitute medical advice, clinical guidance, or a substitute for professional healthcare. Information reflects cited research at time of publication. Always consult a qualified healthcare professional before acting on any health information.

    FACT 01

    Approximately 6-7 metres in length

    FACT 02

    Absorbs 90% of all nutrients from the food we eat

    FACT 03

    Has a surface area of 200m² — the size of a doubles tennis court

    FACT 04

    Contains 2,500 square feet of surface area via microvilli

    FACT 05

    The site of the Migrating Motor Complex (MMC), the 'intestinal housekeeper'

    The Biological Intelligence

    The small intestine is the engine room of nutrient assimilation, a 6-7 metre long tube where 90% of all nutrition is absorbed into the bloodstream. It features a vast surface area created by millions of microscopic finger-like projections called villi, which increase the absorptive area to over 200m². This delicate barrier is only one cell thick and is the primary site of 'leaky gut' (intestinal hyperpermeability), where the protein zonulin opens the tight junctions between cells, allowing undigested food particles and bacterial toxins to trigger systemic immune responses.

    It features a vast surface area created by millions of microscopic finger-like projections called villi, which increase the absorptive area to over 200m².

    Vital Statistics

    Energy DemandVariable
    Regeneration rateSystem dependent
    Threat levelELEVATED

    Environmental Threats

    Glyphosate

    THREAT LEVEL: HIGH

    As a patented antibiotic, glyphosate destroys the intestinal villi and triggers the release of zonulin, the primary cause of leaky gut.

    Antibiotics

    THREAT LEVEL: HIGH

    Overuse of antibiotics decimates the 'brush border' enzymes and beneficial bacteria, leading to malabsorption and fungal overgrowth.

    NSAIDs

    THREAT LEVEL: HIGH

    Non-steroidal anti-inflammatory drugs cause direct ulceration of the small intestinal mucosa, increasing permeability within hours of use.

    Gluten / Gliadin

    THREAT LEVEL: HIGH

    In susceptible individuals, gliadin triggers a cascade that opens the tight junctions, even in those without overt coeliac disease.

    Processed Food Emulsifiers

    THREAT LEVEL: HIGH

    Chemicals like polysorbate 80 and carboxymethylcellulose strip the protective mucus layer from the intestinal wall, allowing bacteria to touch the cells.

    Pathological Connections — Linked Conditions

    Leaky Gut SyndromeSIBOCoeliac DiseaseCrohn's DiseaseMalabsorptionFood IntolerancesChronic FatigueAutoimmune DiseaseNutrient Deficiency

    Warning Signals

    01

    Bloating that develops 1-2 hours after eating (SIBO characteristic timing)

    02

    Floating, foul-smelling stools (fat malabsorption)

    03

    Multiple food intolerances that developed over adulthood

    04

    Anaemia that does not respond to iron supplementation (absorption failure)

    05

    Chronic fatigue paired with nutrient deficiencies despite an apparently healthy diet

    Protective Protocol

    L-glutamine (primary fuel of enterocytes, seals tight junctions)

    Zinc (essential for tight junction protein synthesis and villus repair)

    Colostrum (contains immunoglobulins and growth factors healing the intestinal lining)

    Saccharomyces boulardii (probiotic yeast surviving antibiotic treatment, restores brush border)

    Elimination of gluten and dairy during healing phases (reduces antigenic load on the mucosa)

    Intelligence Briefing

    AI EXTENDED ANALYSIS
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    THE ARSENAL

    Based on Small Intestine content — products curated by our research team for educational relevance and biological support.

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