Protocol · Digestive Health
Intestinal Parasite Infection Supportive Care Protocol
Probiotics and Berberine are the core of this stack, with 6 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Intestinal Parasite Infection Supportive Care.
We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.
The stack
8 supplements · none graded yet · 1 confirmed study
| Grade | Supplement | Amount listed | Why it’s in the stack | Evidence on file |
|---|---|---|---|---|
| Primary stackThe core of this protocol | ||||
| Probiotics | Amount listed: 20–50 billion CFU daily (Lactobacillus, Saccharomyces boulardii) | Support gut microbiome; may enhance immune response and reduce parasite colonization | Not graded yet | |
| Berberine | Amount listed: 500 mg 2–3 times daily for 10–14 days | Antimicrobial alkaloid with activity against Giardia and other intestinal parasites | Not graded yet | |
| Supporting stackListed as additions to the core | ||||
| Garlic | Amount listed: 2–4 g fresh garlic or 600–1,200 mg aged garlic extract daily | Allicin has antiparasitic properties; traditional use for intestinal parasites | Not graded yet | |
| Wormwood (Artemisia) | Amount listed: 200–300 mg dried herb or 1–2 mL tincture 3× daily (short-term only - 2 weeks max) | Traditional antiparasitic herb; artemisinin derivatives used medically | Not graded yet | |
| Oregano Oil | Amount listed: 200–600 mg emulsified oregano oil daily for 6 weeks | Contains carvacrol and thymol with antiparasitic activity | Not graded yet | |
Confirmed studies for Oregano Oil (titles as PubMed lists them) | ||||
| Black Walnut | Amount listed: 250–500 mg hull extract daily (short-term use) | Contains juglone with antiparasitic properties; traditional vermifuge | Not graded yet | |
| Zinc | Amount listed: 25–50 mg daily during infection | Supports immune function; deficiency impairs resistance to parasites | Not graded yet | |
| Vitamin A | Amount listed: 5,000–10,000 IU daily (short-term during infection) | Supports mucosal immunity; deficiency increases susceptibility to parasites | Not graded yet | |
How this protocol works
In plain language
Intestinal parasites are organisms that live in the digestive tract, including protozoa (like Giardia, Cryptosporidium, Entamoeba) and helminths (worms like roundworms, pinworms, tapeworms, hookworms). They can cause diarrhea, abdominal pain, bloating, weight loss, fatigue, and nutritional deficiencies. Transmission occurs through contaminated food or water, person-to-person contact, or contact with contaminated soil. They're more common in developing countries but occur worldwide.
CRITICAL: Intestinal parasites require proper diagnosis (stool testing - often multiple samples) and usually require prescription antiparasitic medications for effective treatment. Giardia requires metronidazole or tinidazole; pinworms need mebendazole or albendazole; other parasites have specific treatments. Don't rely on supplements alone to treat parasitic infections - they may provide supportive benefit but prescription medications are usually necessary. See a doctor, especially if you have persistent diarrhea, bloody stool, significant weight loss, or are immunocompromised.
Probiotics* help restore healthy gut flora and may enhance immune response against parasites. Saccharomyces boulardii has been particularly studied.
Berberine* is an antimicrobial compound that has been studied for Giardia infections with positive results comparable to standard medications in some trials.
Garlic* has traditional use against intestinal parasites and contains allicin with antiparasitic properties.
Wormwood (Artemisia)* is a traditional antiparasitic herb. Artemisinin derivatives from this plant are used medically for malaria.
Oregano Oil* has shown antiparasitic activity in studies, particularly against certain protozoa.
Black Walnut* is a traditional vermifuge (anti-worm) with limited but promising research.
Zinc and Vitamin A* support immune function and mucosal defenses against parasites.
Expected timeline: Prescription antiparasitics typically work within 1-2 weeks. Supportive supplements may be used during and after treatment for recovery. Repeat stool testing confirms clearance.