Dr. Peter McCullough's Spike Protein Detox Protocol: Base Spike Detox Explained (2026)

An evidence-tiered review of the nattokinase, bromelain and curcumin regimen proposed by Dr. Peter McCullough: what it is, what the research does and does not show, how to use it safely, and how (not) to monitor it.

By OneDayMD Editorial Team | Originally published March 2026 | Last updated October 18, 2026 | Sources reviewed through October 18, 2026 | Next scheduled review: April 2027

Quick answer
The McCullough Base Spike Detox is a clinician-proposed regimen of nattokinase (2,000 FU twice daily), bromelain (500 mg daily) and nano/liposomal curcumin (500 mg twice daily) intended to break down persistent SARS-CoV-2 spike protein.[1] Laboratory studies show nattokinase can degrade spike protein in cell and test-tube systems TIER 3[2][3], and spike antigen does persist in a minority of people for months after infection TIER 2[8]. Nattokinase and bromelain affect clotting, and highly bioavailable curcumin has been linked to rare liver injury, so check with a physician first if you take blood thinners, are pregnant, have a bleeding or liver condition, or face surgery.

What is the Base Spike Detox?

The Base Spike Detox is a supplement regimen that cardiologist and internist Dr. Peter McCullough says he uses with patients who have had COVID-19 more than once, received one or more COVID-19 vaccines, or both, and who suspect persistent SARS-CoV-2 spike protein is contributing to their symptoms. In a widely shared post on X, he described three over-the-counter products as the “triple base”: nattokinase, bromelain and nano- or liposomal curcumin. His clinical reasoning appears in a November 2023 Cureus article, which is a narrative clinical approach rather than a trial TIER 4[1].

The regimen is often presented as something people can start on their own while arranging a physician consultation. That framing is exactly why the evidence limits and safety cautions below matter: two of the three ingredients influence clotting, and none has been tested against placebo for this purpose.

Base Spike Detox protocol screenshot (nattokinase, bromelain, curcumin) accompanying the March 2026 article

Evidence at a glance

We grade each claim with the OneDayMD evidence tiers, which map approximately to Oxford CEBM levels: Tier 1 randomized trials or systematic reviews (CEBM 1 to 2); Tier 2 cohort, case-control or case-series data (CEBM 3 to 4); Tier 3 laboratory, mechanistic or pharmacokinetic work (CEBM 5); Tier 4 expert opinion, narrative reviews and anecdotes.

Swipe the table sideways on mobile.

ClaimWhat the evidence showsTierKey sources
Spike or other viral antigen can persist in blood after infectionPlasma antigen was detected in 7.5% to 12.6% of 171 post-COVID samples out to 14 months, versus 2% of 250 pre-pandemic controls, driven by spike protein. Whether it causes symptoms is unknown.TIER 2Peluso 2024[8]
Nattokinase degrades spike protein in the labTime- and dose-dependent degradation in cell lysate and infected cell cultures. A natto extract (not purified nattokinase) degraded the receptor-binding domain and blocked infection in culture.TIER 3Tanikawa 2022[2]; Oba 2021[3]
Nattokinase is fibrinolytic in peopleA single 2,000 FU dose raised D-dimer and fibrin/fibrinogen degradation products in 12 volunteers.TIER 3Kurosawa 2015[4]
Nattokinase degrades microclotsRecombinant nattokinase degraded fibrinaloid microclots in a lab model. Not tested in patients.TIER 3Grixti 2024[5]
Nattokinase at 2,000 FU/day improves vascular outcomesNAPS (n=265, median 3 years) found no effect on carotid thickness or stiffness in low-risk adults. A small trial at about 6,500 FU/day for 26 weeks reported reduced carotid thickness and plaque. Neither measured spike.TIER 1Hodis 2021[6]; Ren 2017[7]
The regimen clears spike protein in patients or improves long COVID / post-vaccine symptomsNo controlled human study located. Support is clinician opinion, case reports and testimonials.NO HUMAN DATA TIER 4McCullough 2023[1]
Bromelain or curcumin clear spike in humansAnti-inflammatory and enzyme activity in lab and other-condition studies only. No human spike-clearance data.TIER 3Mechanistic
A falling spike-antibody level shows spike was clearedNot supported. Antibodies reflect your immune response and decline naturally over time.NO HUMAN DATASee monitoring section
Ivermectin add-onBlocks spike-induced red-cell clumping in vitro. No large trial in post-vaccine syndrome.TIER 3 TIER 1Boschi 2022[14]; ACTIV-6[16]; TOGETHER[17]

Editorial assessment: the biological idea is plausible and partly supported in the laboratory, and persistent antigen is a real research question. The leap from there to “this supplement stack clears spike protein and relieves symptoms” has not been tested. Readers should treat the protocol as an unproven, physician-discussed option, not an established treatment.

Does spike protein really persist?

The strongest public data come from UCSF. Peluso and colleagues measured plasma antigens with an ultrasensitive assay in 171 people after SARS-CoV-2 infection and 250 pre-pandemic controls. Any antigen was found in 12.6% of samples at 3 to 6 months, 10.7% at 6 to 10 months and 7.5% at 10 to 14 months, against 2% in controls, with spike protein driving the difference for up to 14 months. Detection was more common after hospitalization or a worse acute illness TIER 2[8]. The authors were explicit that it remains unknown whether persistent antigen explains symptoms.

A smaller study reported free circulating spike protein in adolescents and young adults who developed myocarditis after mRNA vaccination TIER 2[9]. Taken together, these findings justify further research. They do not show that persistent spike is the cause of long COVID or post-vaccine syndrome in a given patient, or that any supplement removes it.

Context: vaccine myocarditis research
Dr. McCullough co-authored a systematic review of 28 published autopsy cases (14 papers) of fatal myocarditis after COVID-19 vaccination, published in ESC Heart Failure TIER 2[12]. (Our earlier version named the wrong journal and described a preprint popularity award as “first place”; the award recognized readership, not scientific quality.[21]) The authors concluded a causal link was likely in sudden-death cases, while published letters to the editor questioned whether causation can be established from selected case reports[13]. Myocarditis after mRNA vaccination is recognized by regulators, but large population analyses describe it as uncommon and usually mild to moderate. For the full picture, see our vaccine-induced myopericarditis case report.

Protocol: ingredients, doses and timing

These are the doses published by Dr. McCullough TIER 4[1]. They are expert recommendations, not trial-derived doses.

Swipe the table sideways on mobile.

IngredientPublished doseTimingKey notes
Nattokinase2,000 FU (about 100 mg) twice dailyEmpty stomachDose by FU activity, not mg: the mg equivalent varies by brand. Avoid with soy allergy unless the source is confirmed soy-free. Do not combine with anticoagulants without physician guidance.
Bromelain500 mg once dailyEmpty stomachPotency units vary by product. Avoid with pineapple or latex allergy.
Nano / liposomal curcumin500 mg twice dailyWith foodEnhanced-absorption forms are linked to rare liver injury, see safety section. Standard curcumin is poorly absorbed.

Dose reality check

No study has tested this exact combination for spike clearance. The table shows how the base-protocol nattokinase dose compares with doses used in published trials, all of which measured other outcomes.

Swipe the table sideways on mobile.

SourceNattokinase doseSettingResult
McCullough Base Spike Detox4,000 FU/day (2,000 FU x 2)Expert recommendation for spike clearanceNo controlled outcome data TIER 4
NAPS randomized trial2,000 FU/day, median 3 yearsCarotid atherosclerosis, 265 low-risk adultsNo effect vs placebo TIER 1
Ren et al. trialAbout 6,500 FU/day, 26 weeksCarotid thickness and plaque, small trial (n≈76)Reduction reported TIER 1
Kurosawa pharmacology studySingle 2,000 FU doseClotting markers in 12 volunteersD-dimer and FDP rose TIER 3
TWC Ultimate Spike Detox (as of Oct 18, 2026)2 tablets daily, 7 ingredientsPer-ingredient amounts not in the page text reviewedCheck the Supplement Facts panel
Ready-made option: The Wellness Company Ultimate Spike Detox
TWC sells Ultimate Spike Detox as the McCullough Protocol™ formula. It is not simply the three-ingredient base protocol. As of October 18, 2026 the product page lists seven ingredients (nattokinase, bromelain, turmeric root, selenium, black seed, black pepper and dandelion root), two tablets daily on an empty stomach, and a label warning against use with anticoagulant or antiplatelet medicines, in pregnancy or nursing, or with a bleeding disorder, and advising discontinuation two weeks before surgery[19]. The page states its nattokinase is chickpea-fermented and soy-allergen free. Most nattokinase supplements are soy-derived, so verify the source with the manufacturer rather than assuming. Need a clinician? Book a TWC virtual consultation.

How long should you take the Base Spike Detox?

McCullough’s guidance: minimum 3 months, typically 6 to 12 months, longer in severe or persistent cases, and possibly indefinite use if tolerated TIER 4[1]. There is no trial basis for these durations. Because no accepted marker shows spike has been cleared (see monitoring), symptom review with a physician is the practical way to decide whether to continue. The longest controlled data for nattokinase (NAPS) covered a median of 3 years at 2,000 FU/day, not the full combination[6].

The science behind each ingredient

Nattokinase

Nattokinase is a serine protease from natto, the Japanese fermented-soybean food, best known for dissolving fibrin. PubMed lists hundreds of nattokinase papers, but most address cardiovascular, laboratory or animal questions rather than spike clearance in people.

  • Spike degradation in the lab TIER 3: Tanikawa et al. (2022) reported time- and dose-dependent degradation of spike protein in cell lysate and in infected cells[2]. Oba et al. (2021) used a natto extract, not purified nattokinase, and found a heat-sensitive protease activity degraded the receptor-binding domain and blocked infection in cultured cells[3]. Our earlier version called this an independent reproduction; it is better read as a complementary, less specific result.
  • Human fibrinolytic activity TIER 3: a single 2,000 FU dose raised D-dimer and fibrin/fibrinogen degradation products in 12 volunteers[4]. Practical point: a D-dimer drawn hours after a dose may reflect the supplement, not disease.
  • Microclots TIER 3: recombinant nattokinase degraded fibrinaloid microclots in a laboratory model[5]. It has not been shown to do so in patients.
  • Cardiovascular trials TIER 1: NAPS found no benefit at 2,000 FU/day in low-risk adults[6], while a smaller trial at about 6,500 FU/day reported reduced carotid thickness and plaque[7]. These speak to vascular disease, not spike.
  • 2026 review TIER 4: a review posted to Zenodo, produced through a TWC and McCullough Foundation collaboration, collates nattokinase proteolytic, cardiovascular and spike-related literature[20]. It is not peer-reviewed and its authors are affiliated with a company that sells the product.
Editor’s note on fact-checks
An AFP fact-check of “Covid vaccine detoxification” supplements stated there is no evidence nattokinase dissolves spike protein in the human body. On that narrow point we agree: the supportive data are laboratory studies, which are a standard starting point but not proof of benefit in patients. Nattokinase is not a miracle drug, and trials in people are needed.

Bromelain

Bromelain is a mixture of pineapple-derived proteolytic enzymes with recognized anti-inflammatory properties. Laboratory reports suggest it may interfere with spike-related processes, and it has been proposed to help clear spike fragments, but there are no human spike-clearance data TIER 3. Bromelain is reported to have antiplatelet and fibrinolytic activity, so additive bleeding risk with other agents is a reasonable precaution. Its real-world effect on standard clotting tests such as prothrombin time is not well characterized, so we have removed the earlier statement that it reliably prolongs PT.

Curcumin (nano or liposomal)

Curcumin, the main polyphenol in turmeric, inhibits NF-κB signaling and has antioxidant activity. Standard curcumin is poorly absorbed, which is why the protocol specifies nano or liposomal forms. That same absorption boost matters for safety: the US Drug-Induced Liver Injury Network described 10 turmeric-associated liver injury cases (6 since 2017), 7 of 10 carrying HLA-B*35:01, with a typical latency of 1 to 4 months and 3 of 7 tested products containing piperine (black pepper)[10]. Most cases resolve after stopping[11], but a protocol that starts at 3 months or more overlaps that window. Any spike-specific benefit of curcumin is unproven TIER 4.

Add-on agents: beyond the base combination

McCullough notes that other agents may be added after clinical evaluation. These are not universally recommended and generally need a prescriber TIER 4.

  • N-acetylcysteine (NAC): proposed as a glutathione precursor and detoxification aid. No spike-specific trial data.
  • Ivermectin (prescription): Scheim’s hemagglutination hypothesis proposes spike can clump red blood cells; Boschi et al. showed ivermectin reduced this in vitro TIER 3[14]. Stone et al. reported a 62% oxygen-saturation normalization within 24 hours in severe COVID-19 after an ivermectin-based combination, a report without a randomized comparator[15]. Large randomized trials of ivermectin in acute COVID-19 (ACTIV-6, TOGETHER) found no meaningful benefit on their primary outcomes TIER 1[16][17]. Doses in the FLCCC/IMA I-RECOVER protocol (for example 0.2 to 0.3 mg/kg/day) are set by a prescriber, not for self-dosing.
  • Hydroxychloroquine, low-dose naltrexone, anticoagulants: case-specific prescriptions considered in some protocols, for example when clotting risk is documented. These need individual medical assessment.
Overlap with FLCCC I-RECOVER
The Base Spike Detox overlaps with the FLCCC/Independent Medical Alliance I-RECOVER post-vaccine protocol. Our guide FLCCC I-Recover Protocol and McCullough Base Spike Detox compares both. For a randomized-trial view of what has been tested for long COVID, see Long COVID Treatment 2026: The Complete Evidence Guide.

How to monitor progress (and what antibody tests cannot tell you)

Important correction to earlier versions
A spike-antibody test measures your immune system’s antibodies made after vaccination or infection. It does not measure how much spike protein is in your body. Antibody levels usually fall gradually over months on their own, so a decline during supplement use cannot be credited to the supplements without an untreated comparison group, and a high or rising level can reflect recent exposure.

Practical monitoring is therefore mostly clinical and safety-focused:

  • Symptoms: keep a simple diary (fatigue, brain fog, breathlessness, exercise tolerance, pain) scored weekly so you and your physician can judge whether anything is changing. Spontaneous improvement is common in long COVID, which is another reason testimonials are weak evidence.
  • Bleeding signs: easy bruising, nosebleeds, gum bleeding, heavy periods, black or bloody stools, prolonged bleeding from small cuts. These are signals to stop and call your physician.
  • Liver: consider baseline and follow-up liver enzymes with your physician if using enhanced-absorption curcumin, particularly in the first 4 months.
  • Blood pressure and anticoagulation labs: if you take blood thinners under supervision, your prescriber decides which clotting tests to follow. Interpret D-dimer carefully if drawn hours after a nattokinase dose.
  • Antibody or antigen tests: a Labcorp semi-quantitative spike antibody test is available to US consumers in many states (check current availability). Readers in Malaysia and Singapore can ask local accredited laboratories about anti-spike IgG assays. The same interpretation limits apply. Plasma spike-antigen assays used in research are not routine clinical tests.

Safety warnings and contraindications

🚫 Do not start without physician direction if you…
  • have an active bleeding disorder (for example hemophilia) or recent significant bleeding
  • take warfarin, apixaban, rivaroxaban, dabigatran, aspirin, clopidogrel or similar medicines
  • are pregnant, breastfeeding or trying to conceive
  • are under 18
  • have a soy allergy (most nattokinase is soy-derived), or a pineapple or latex allergy (bromelain)
  • have liver disease or take other medicines that can affect the liver
  • have surgery or an invasive procedure within two weeks (the TWC label advises stopping two weeks beforehand)
⚠️ Use caution and discuss first if you…
  • have a history of GI bleeding or peptic ulcer disease
  • have low blood pressure or take blood-pressure medicines (nattokinase may lower blood pressure in some people)
  • are a woman of childbearing potential without contraception
  • have significant stomach sensitivity
  • take curcumin or turmeric-containing products already (additive exposure)

Using the protocol with anticoagulants

This is the most common reader question. McCullough has said it can be done with a doctor’s guidance, describing supervised use alongside several anticoagulants, with bleeding as the main safety signal. The manufacturer’s own label for Ultimate Spike Detox, however, advises against use with anticoagulant or antiplatelet medicines. There are no controlled safety data for the combination. Treat any co-use as a supervised clinical decision, and never stop or reduce a prescribed anticoagulant on your own: stopping can be dangerous for atrial fibrillation, clots or mechanical heart valves.

Seek urgent medical care for
Black, tarry or bloody stools; vomiting blood; bleeding that will not stop; severe sudden headache; sudden weakness, facial droop or speech trouble; sudden loss of vision; chest pain; severe shortness of breath; yellow skin or eyes with dark urine.

Clinical observations and patient reports

The accounts below are self-reported or clinician-reported, unverified and uncontrolled TIER 4. Many involve other interventions or conditions that improve on their own. We list them in structured form for transparency, not as proof of efficacy.

#Reporter / settingPresentationRegimenFollow-upReported outcome and caveatSource
1Physician, Colorado; three Pfizer doses (2020 to 2021)Anti-spike titer 1:25,000 (Mar 2024)McCullough protocol~6 monthsTiter reported 1:740 (Sep 2024). Titers decline naturally; no untreated comparator.Focal Points comment
2Dr. Bruce Boros, 75, unvaccinated internist/cardiologist, Florida KeysCognitive fog, fatigue after COVID-19Ultimate Spike Detox; prior ivermectin for acute COVIDWeeksSymptom resolution reported. Source authored by the protocol’s developer.Focal Points profile
3Anonymous patientLoss of taste and smell after mild COVID-19 (May 2020)Protocol2 to 3 monthsTaste and smell reported back to normal (Mar 2025 comment). Spontaneous recovery possible.Blog comment
4Social media userLeg swelling after one vaccine doseBromelain-based regimen~1 weekSwelling reported resolved (Feb 2025). Leg swelling can signal a clot: needs medical review.X post
5Nurse (RN)Woke with loss of vision in one eye; suspected clot near optic nerve/retinaSpike Detox1 to 3 weeksVision reported fully restored (Nov 2024). Sudden vision loss is an emergency; do not self-treat.Substack comment
6Anonymous patient, unvaccinated, COVID-19 twiceLeg and knee swelling about 6 weeks after second infectionProtocol plus ivermectin 0.4 mg/kg via a clinic~6 weeksSwelling resolved (Sep 2025). Co-intervention confounds attribution.Blog comment

Frequently asked questions

What is the McCullough Base Spike Detox?

It is a regimen proposed by cardiologist Dr. Peter McCullough that combines three over-the-counter supplements, nattokinase (2,000 FU twice daily), bromelain (500 mg once daily) and nano- or liposomal curcumin (500 mg twice daily), with the aim of breaking down persistent SARS-CoV-2 spike protein. It rests on laboratory findings and clinical observation. No randomized trial has tested it.

Does nattokinase really break down spike protein in the human body?

That has not been shown. Laboratory studies found that nattokinase degrades spike protein in cell and test-tube systems, and human studies show it has fibrinolytic activity. But no controlled human study has demonstrated that taking nattokinase lowers spike protein in the body or improves long COVID or post-vaccine symptoms.

Does a falling spike antibody level prove the detox worked?

No. A spike antibody test measures your immune system's antibodies, not spike protein itself, and antibody levels normally decline over months after vaccination or infection, with or without supplements. Without a comparison group, a falling level cannot be credited to the protocol, and a level that stays high can simply reflect a recent exposure.

How long do people take the Base Spike Detox?

McCullough's published guidance is a minimum of 3 months, typically 6 to 12 months, and longer or indefinitely for some patients. This duration is expert opinion rather than trial-based. No study has defined a treatment endpoint, and long-term safety data for the full combination are lacking.

Can I take it with blood thinners such as Eliquis, Xarelto, warfarin or aspirin?

Only under a physician's direct supervision. Nattokinase and bromelain affect clotting, so bleeding risk may rise. McCullough has described supervised co-use, but The Wellness Company's Ultimate Spike Detox label advises against use with anticoagulant or antiplatelet medicines. Never stop a prescribed anticoagulant on your own.

Is The Wellness Company's Ultimate Spike Detox the same as the base protocol?

Not exactly. As of October 2026 its product page describes a seven-ingredient formula (nattokinase, bromelain, turmeric root, selenium, black seed, black pepper and dandelion root) taken as two tablets daily. The page text we reviewed does not list per-ingredient amounts, so compare the Supplement Facts panel with the base-protocol doses before assuming equivalence.

What are the main side effects and risks?

Bleeding or bruising (nose, gums, gut), stomach upset, allergic reactions (soy for most nattokinase, pineapple or latex for bromelain), a possible blood-pressure drop, and, rarely, liver injury linked to highly bioavailable curcumin, especially combined with black pepper extract. Seek care for dark urine, yellow skin or eyes, black stools or bleeding that will not stop.

Who should not use this protocol?

People with bleeding disorders, anyone on anticoagulant or antiplatelet drugs without physician oversight, people who are pregnant or breastfeeding, children, anyone with a soy, pineapple or latex allergy (depending on the product's source), and anyone within two weeks of surgery. People with liver disease should also check with a doctor first.

Does the protocol apply if I had COVID-19 but never received the vaccine?

The premise is the same. Studies have detected spike or other viral antigen in the blood of some people months after infection. Evidence that removing it improves symptoms is lacking for infection-related long COVID, just as it is for post-vaccine symptoms.

Are serrapeptase or lumbrokinase proven alternatives to nattokinase?

No. Both are fibrinolytic enzymes sometimes discussed as alternatives, but neither has been validated for spike clearance in people, and they carry similar bleeding considerations. McCullough's published guidance does not endorse a formal substitute. Anyone who cannot take nattokinase should ask a physician about options.

What does the research say about adding ivermectin?

Laboratory work shows ivermectin can reduce spike-induced red blood cell clumping in vitro. However, large randomized trials in acute COVID-19, including ACTIV-6 and TOGETHER, found no meaningful clinical benefit on their main outcomes, and no controlled trial shows ivermectin clears spike protein or treats post-vaccine syndrome. It requires a prescription.

Should I try this before seeing a doctor about long COVID symptoms?

See a clinician first. Long COVID-type symptoms overlap with heart, lung, thyroid, anemia, sleep and neurological conditions that need their own evaluation, and some symptoms, such as chest pain, sudden vision loss, weakness or severe breathlessness, need urgent care. Supplements should never delay a diagnosis.

Need a physician familiar with these protocols? Book a virtual consultation with The Wellness Company (affiliate link) or see our directory of early-treatment telemedicine providers.

AI personalization guide

AI assistants can help you organize questions for your doctor. They cannot examine you, prescribe, or confirm a supplement is safe with your medicines. Before uploading anything, remove your name, date of birth, address and ID numbers.

AssistantBest used forStarter prompt
ClaudeReading long lab PDFs and medication lists; drafting a one-page summary“Summarize my attached results and medication list. Which parts of the Base Spike Detox could interact with my medicines? Label each claim as lab-only, human trial, or opinion.”
ChatGPTBuilding a symptom tracker or comparison table“Create a weekly symptom log for fatigue, brain fog and breathlessness, with columns for supplements started and any bleeding signs.”
GeminiCross-checking against web sources and your own documents“List published human trials of nattokinase for long COVID. For each, give design, sample size and a link I can open.”
PerplexityCitation-first literature checks“Find randomized trials only. Exclude blogs and product pages. Quote nothing; summarize in two sentences each.”
Copy-and-paste prompt
I am preparing for a doctor’s visit about a supplement regimen (nattokinase, bromelain, curcumin) I read about. My background: [vaccinated / infected / both]. Symptoms: [list, scored 1 to 10]. Medicines and supplements: [list with doses]. Allergies: [list]. Planned surgery or procedures: [yes/no]. Please (1) flag possible interactions or bleeding and liver concerns, (2) tell me which claims are supported by human trials versus lab or opinion, (3) list questions to ask my physician, and (4) tell me which symptoms need urgent care. Do not recommend doses or changes to prescription medicines.

Never use an AI tool to decide whether to stop, start or change an anticoagulant or any prescription medicine.

References

  1. [1]  McCullough PA, et al. Clinical Approach to Post-acute Sequelae After COVID-19 Infection and Vaccination. Cureus. 2023 Nov 21. PMC10663976
  2. [2]  Tanikawa T, et al. Degradative Effect of Nattokinase on Spike Protein of SARS-CoV-2. Molecules. 2022;27(17):5405. PMC9458005
  3. [3]  Oba M, et al. Natto extract, a Japanese fermented soybean food, directly inhibits viral infections including SARS-CoV-2 in vitro. Biochem Biophys Res Commun. 2021;570:21-25. PMC8276596
  4. [4]  Kurosawa Y, et al. A single-dose of oral nattokinase potentiates thrombolysis and anti-coagulation profiles. Sci Rep. 2015;5:11601.
  5. [5]  Grixti JM, et al. Automated microscopic measurement of fibrinaloid microclots and their degradation by nattokinase, the main natto protease. 2024. bioRxiv
  6. [6]  Hodis HN, et al. Nattokinase atherothrombotic prevention study: a randomized controlled trial. Clin Hemorheol Microcirc. 2021. Abstract
  7. [7]  Ren NF, et al. 2017 (China, n=76, about 6,500 FU/day for 26 weeks), as summarized in the nattokinase review PMC6043915
  8. [8]  Peluso MJ, Swank ZN, et al. Plasma-based antigen persistence in the post-acute phase of SARS-CoV-2 infection. medRxiv; subsequently published 2024.
  9. [9]  Yonker LM, et al. Circulating spike protein detected in post-COVID-19 mRNA vaccine myocarditis. Circulation. 2023.
  10. [10]  Halegoua-DeMarzio D, et al. Liver injury associated with turmeric: a growing problem. Ten cases from the Drug-Induced Liver Injury Network. 2023. PubMed 36252717
  11. [11]  NIH LiverTox. Turmeric. NBK548561
  12. [12]  Hulscher N, Hodkinson R, Makis W, McCullough PA. Autopsy findings in cases of fatal COVID-19 vaccine-induced myocarditis. ESC Heart Fail. 2024. doi:10.1002/ehf2.14680. PubMed
  13. [13]  Letters to the editor regarding the autopsy review. ESC Heart Fail. 2024;11:2467-2468. doi:10.1002/ehf2.14819. PMC11287359
  14. [14]  Boschi C, et al. SARS-CoV-2 spike protein induces hemagglutination. Int J Mol Sci. 2022;23(24):15480. MDPI
  15. [15]  Stone S, et al. 62% normalization in SpO2 within 24 hours for severe COVID-19 patients after ivermectin-based combination treatment. COVID. 2022;2(3). MDPI (journal corrected from earlier version)
  16. [16]  Naggie S, et al. Effect of ivermectin vs placebo on time to sustained recovery in outpatients with mild to moderate COVID-19 (ACTIV-6). JAMA. 2022;328(16):1595-1603.
  17. [17]  Reis G, et al. Effect of early treatment with ivermectin among patients with Covid-19 (TOGETHER). N Engl J Med. 2022;386:1721-1731.
  18. [18]  Halma MTJ, Plothe C, Marik P, Lawrie TA. Strategies for the management of spike protein-related pathology. Microorganisms. 2023;11(5):1308. MDPI
  19. [19]  The Wellness Company. Ultimate Spike Detox product page, accessed October 18, 2026. twc.health
  20. [20]  Proteolytic Targets and Clinical Benefits of Oral Nattokinase (2026, TWC/McCullough Foundation collaboration; not peer-reviewed). Zenodo
  21. [21]  Preprints.org 2023 Most Popular Preprints Award. preprints.org

Update log and editorial notes

October 18, 2026 update. This page was rebuilt after a source-by-source review. Substantive changes:

  • Reframed spike-antibody testing: it measures antibodies, not spike protein, and cannot show clearance. The single-physician titer report now sits in the reports table with that caveat.
  • Added dose context from randomized nattokinase trials, evidence tiers for every major claim, and a plain statement that no controlled human trial has tested the regimen.
  • Corrected how Oba et al. (2021) is described (natto extract, not purified nattokinase).
  • Corrected the autopsy-review journal to ESC Heart Failure, noted published critiques, and clarified that the Preprints.org award reflects readership.
  • Clarified that Ultimate Spike Detox is a seven-ingredient product with a label warning against anticoagulant use, rather than the exact three-ingredient base protocol.
  • Added curcumin liver-injury safety information, a surgery cut-off, an emergency-symptom box and a note on blood-pressure effects.
  • Corrected the Stone et al. journal citation, fixed the publication dates, and moved ivermectin from “ingredients” to add-on agents with trial context.
  • Added FAQ schema parity, an AI personalization guide and updated internal links.
Editor’s note: why trust this article?
We do not ask for blind trust. We ask you to read the sources, weigh the evidence tiers, and decide with a physician you trust. Where evidence is limited we say so, where trials are absent we note it, and where we have a commercial relationship we disclose it. Corrections are welcome and will be logged here.
⚠️ Medical disclaimer: please read first
This article is for educational purposes only and is not medical advice, diagnosis or treatment. The Base Spike Detox uses supplements with clotting-related activity. Talk to a licensed physician before starting, especially if you take blood thinners, are pregnant or breastfeeding, have a bleeding disorder or liver disease, are planning surgery, or are considering this for a child. Seek urgent care for chest pain, sudden vision loss, weakness, trouble speaking or severe shortness of breath rather than self-treating.
Affiliate and conflict-of-interest disclosure
OneDayMD earns a commission when readers buy through our The Wellness Company (TWC) links (referral code ONEDAYMD) or book through TWC virtual care. TWC markets Ultimate Spike Detox as the official McCullough Protocol™ formula, and the 2026 nattokinase review cited below was produced in collaboration between TWC and the McCullough Foundation. We flag these relationships so you can weigh the evidence accordingly. Commissions do not change how we grade the evidence.

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