Fenbendazole Dosage for Cancer in Humans: Benefits, Risks, and Guidelines (2025)
What is Fenbendazole?
Fenbendazole is a broad spectrum anti-parasitic used against gastrointestinal parasites including: giardia, roundworms, hookworms, whipworms, the tapeworm genus Taenia (but not effective against Dipylidium caninum, a common dog tapeworm), pinworms, aelurostrongylus, paragonimiasis, strongyles, and strongyloides that can be administered to sheep, cattle, horses, fish, dogs, cats, rabbits, most reptiles, freshwater shrimp tanks as planaria and hydra treatments, as well as seals. (2)
Fenbendazole, has garnered attention for its potential use in humans. The Fenbendazole Cancer Protocol gained rapid interest over the past years following some fenbendazole advanced cancer success stories.
Joe Tippens founded the protocol after he was told a story about a scientist at Merck Animal Health that had been performing cancer research on mice. The research included injecting different types of cancers into different mice body parts. The scientists discovered, through trial and error, a product in their canine product line, fenbendazole, that was batting 1.000 in killing these different cancers in the mice. The scientist was later diagnosed with stage 4 brain cancer and was given a grim prognosis of only three months to live. She decided to try the fenbendazole, and after six weeks, showed a clean scan.
Joe Tippens had been initially diagnosed with small cell lung cancer. The cancer later spread to his neck, right lung, stomach, liver, bladder, pancreas and tail bone. Like the scientist from Merck Animal Hospital, Joe was told he only had three months to live. In 2017, after hearing the story of the scientist who treated her cancer with a canine drug, Joe decided he was going to do the same. However, in addition to taking the fenbendazole, Joe added his own ingredients to the regimen (curcumin, CBD oil, and vitamin E), thus creating the Joe Tippens Cancer Protocol.
Disclaimer: We in no way endorse the Joe Tippens Cancer Protocol as a universal cure for cancer, and as always, you should consult your physician before starting any new medications or treatment plans.
UPDATE: A chemist recently wrote in suggesting that fenbendazole taken with a teaspoon or so of butter would have optimal absorption characteristics…”take it with a small amount of saturated or monounsaturated fat — something with a carbon chain above 14, to optimize absorption. Butter is an ideal choice.” She estimated that approximately 85% of the ingested fenbendazole would survive first-pass metabolism* en route to the target cells.
Taking fenbendazole is one thing, making sure it is actually absorbed can be a matter of life or death.
According to a study available from the European Medicine Agency, doses up to 500 mg per person did not result in serious adverse effects. Moreover, single doses of up to 2,000 mg per person were reported to cause no serious adverse effects over the course of ten days.
* Mild diarrhoea
* Mild stomach discomfort
* Elevated liver enzymes
The anti-parasitic dosage is not as effective for people looking for a dosage against cancer. Dosage will need to be adjusted according to cancer type and stage.
Fenbendazole dosage should be based on fenbendazole cancer studies. Multiple factors are considered including studies including fenbendazole for cancer, anecdotal studies and case series, the aggressiveness of the cancer type and the cancer stage.
Cancer dosage estimation can be adjusted based on the time that a person has to beat cancer or its risk to the patient - this includes both the cancer type and whether the cancer has spread or metastasised.
Some cancers provide the patient with less time to beat the cancer e.g. fast growing cancer, and of course; metastasis also means that the time to beat the cancer is shorter than before metastasis.
Legal implications of human fenbendazole use vary by jurisdiction. In some countries, possession and consumptionmay be considered off-label drug use, potentially leading to legal consequences. Healthcare providers face ethical dilemmas when patients request guidance on its use, as recommending unapproved treatments could result in professional repercussions. Consumers should be aware of potential legal risks, including:
Consulting with an integrative healthcare expert is key to crafting a Fenbendazole protocol tailored to your unique health requirements.
Joe Tippens founded the protocol after he was told a story about a scientist at Merck Animal Health that had been performing cancer research on mice. The research included injecting different types of cancers into different mice body parts. The scientists discovered, through trial and error, a product in their canine product line, fenbendazole, that was batting 1.000 in killing these different cancers in the mice. The scientist was later diagnosed with stage 4 brain cancer and was given a grim prognosis of only three months to live. She decided to try the fenbendazole, and after six weeks, showed a clean scan.
Joe Tippens had been initially diagnosed with small cell lung cancer. The cancer later spread to his neck, right lung, stomach, liver, bladder, pancreas and tail bone. Like the scientist from Merck Animal Hospital, Joe was told he only had three months to live. In 2017, after hearing the story of the scientist who treated her cancer with a canine drug, Joe decided he was going to do the same. However, in addition to taking the fenbendazole, Joe added his own ingredients to the regimen (curcumin, CBD oil, and vitamin E), thus creating the Joe Tippens Cancer Protocol.
Disclaimer: We in no way endorse the Joe Tippens Cancer Protocol as a universal cure for cancer, and as always, you should consult your physician before starting any new medications or treatment plans.
This article explores the safety and effectiveness of fenbendazole in the context of human health. It examines current research, potential benefits, and associated risks of using this medication—originally developed for animals—in humans. By reviewing available data and expert insights, the article aims to offer a well-rounded overview of fenbendazole’s role in human medicine and its potential future applications.
In This Article
- Understanding Fenbendazole: From Veterinary Medicine to Human Use
- Potential Mechanisms of Action in Cancer Treatment
- Why cancer patients use Fenbendazole
- How is Fenbendazole Best Administered?
- Fenbendazole side effects in humans
- Clinical Evidence and Ongoing Research
- Dosage and Administration Guidelines for Off-Label Use
- Regulatory Status and Legal Implications of Human Consumption
- Q&A
- Find Integrative Oncologists in USA, Mexico, Europe or Asia
Understanding Fenbendazole: From Veterinary Medicine to Human Use
Originally developed as an anthelmintic medication for animals, fenbendazole has attracted growing interest for its potential use in human health. This benzimidazole compound, traditionally used to treat parasitic worms in livestock and pets, has gained attention from researchers and medical professionals due to its reported anti-cancer properties. While its primary role remains in veterinary medicine, anecdotal reports and early-stage studies have fueled ongoing discussions about its possible effectiveness in addressing various human conditions.
The transition from veterinary to human use raises important questions about safety, dosage, and regulation. Fenbendazole’s mechanism of action involves disrupting the cellular structure of parasites, but its effects on human cells, particularly cancer cells, are still under investigation. As interest grows, it’s crucial to consider the following aspects:
The transition from veterinary to human use raises important questions about safety, dosage, and regulation. Fenbendazole’s mechanism of action involves disrupting the cellular structure of parasites, but its effects on human cells, particularly cancer cells, are still under investigation. As interest grows, it’s crucial to consider the following aspects:
- Off-label use: The current status of fenbendazole for human consumption
- Potential benefits: Reported effects on cancer cells and other health conditions
- Safety concerns: Possible side effects and interactions with other medications
- Regulatory landscape: Current stance of health authorities on human use
Potential Mechanisms of Action in Cancer Treatment
Fenbendazole, traditionally used as an anthelmintic in veterinary medicine, has garnered attention for its potential anticancer properties in humans. Several mechanisms have been proposed to explain its potential efficacy in cancer treatment. One key pathway involves the disruption of microtubule formation, which is critical for cell division. By binding to tubulin, fenbendazole may inhibit the polymerization of microtubules, leading to cell cycle arrest and apoptosis in cancer cells. Additionally, this compound has been shown to induce oxidative stress, potentially targeting cancer cells that are already under higher oxidative pressure compared to normal cells.Another intriguing aspect of fenbendazole’s potential anticancer activity is its ability to modulate various signaling pathways. Research suggests that it may:
- Inhibit glucose uptake in cancer cells, starving them of essential energy
- Reduce the expression of hypoxia-inducible factor 1-alpha (HIF-1α), a protein involved in tumor angiogenesis
- Activate p53, a crucial tumor suppressor gene
- Downregulate the STAT3 signaling pathway, which is often overactivein cancer cells
Why cancer patients use Fenbendazole
Developing new drugs requires a lot of time, effort, and money, and generating a promising drug can take years. Fenbendazole is already an established drug showing promising results for human use with a very low level of toxicity. It has been shown to stabilize WT p53, provide moderate microtubule disruption, interfere with cancer cells’ glucose metabolism, and target cell cycle arrest. These factors have led to a decrease in cancer cells both in laboratory environments as well as in live subjects with minimal side effects and toxicity. In addition, Fenbendazole has been shown to kill cancerous cells and promote regression in cancer patients with large B-cell lymphoma that had metastasized, as well as other metastatic malignancies, bladder cancer, renal cell carcinoma, and more.
Panacur-C for Cancer
* Please take note that the Panacur C on Amazon is available in three sizes (1 gram, 2 grams and 4 grams) of single dose packets.
How is Fenbendazole Best Administered?
Enhancing the Bioavailability of Fenbendazole with Oleic Acid. Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils. The most readily available, oleic acid-rich, practical substance is olive oil. Most likely due to its role as an emulsifying agent, Liu et al (2018) found that pairing mebendazole with oleic acid (olive oil) greatly enhances the bioavailability of mebendazole. The magnitude of the effect was substantial, 1.6 to 2.8 times greater serum levels of mebendazole were obtained when co-administering mebendazole with various oils compared to controls. Olive oil was the most effective mebendazole booster. As should be expected, the increased serum levels of mebendazole translated into more effective parasite killing effects in the animals models used as well.Administration of Fenbendazole
The practical application of interactions of fenbendazole with the substances mentioned above are straight forward. To maximize the likelihood of ingested fenbendazole getting into the blood stream to kill distant cancer cells, helping absorption is wise. Whether you choose to take fenben with a fatty meal, mixed in a tablespoon of olive oil or both, these actions should deliver more bang for your buck with respect to more of the fenbendazole surviving digestive degradation to deliver more cancer killing punch.Others have found success and convenience taking fenbendazole mixed in with a serving of yogurt or peanut butter.
UPDATE: A chemist recently wrote in suggesting that fenbendazole taken with a teaspoon or so of butter would have optimal absorption characteristics…”take it with a small amount of saturated or monounsaturated fat — something with a carbon chain above 14, to optimize absorption. Butter is an ideal choice.” She estimated that approximately 85% of the ingested fenbendazole would survive first-pass metabolism* en route to the target cells.
Taking fenbendazole is one thing, making sure it is actually absorbed can be a matter of life or death.
Absorption Issues with Fenbendazole
There was recently an instance of a person with small cell lung cancer (SCLC) who had eradicated 90%+ of his tumors with fenbendazole but then he started to feel pain and diagnostic testing showed the tumors returning. We probed and found that, rather than his wife administering the fenben in yogurt as she did initially, when he started to feel better he self-administered his fenben by mixing it into his morning coffee. His wife was asked to run her finger along the inside of his coffee mug. Fenbendazole residue was coating the mug. He immediately switched to liquid fenben and within a week the pain subsided, and in 6 weeks all the lung tumors were gone. This just happened over the past few months (detailed Case Report to come).Fenbendazole side effects in humans
Although safety data exists for various animals, the safety and tolerability of Fenbendazole in humans for sustained periods of time have not been thoroughly studied yet. Nevertheless, many patients have decided not to wait for the lengthy bureaucratic process of scientific data to be published; they are following the protocol at their own risk. Most of these people report taking Fenbendazole without any side effects.According to a study available from the European Medicine Agency, doses up to 500 mg per person did not result in serious adverse effects. Moreover, single doses of up to 2,000 mg per person were reported to cause no serious adverse effects over the course of ten days.
According to the product description on Amazon, fenbendazole is "Safe for all Dogs 6 weeks and older, including pregnant Dogs".
Based on toxicology studies, benzimidazoles such as Fenbendazole, Mebendazole or Albendazole seem to be safe drugs.
However, a drug without any side-effects does not exist. Scientific data reports do not reveal significant adverse reactions from taking fenbendazole. Despite the fact, there are anecdotal reports of potential toxicity: Up to 5 % of people can experience stomach discomfort or diarrhea when taking large quantities of fenbendazole with no breaks.
People with severe liver or kidney failure have lower medication excretion rates, therefore, fenbendazole can accumulate and cause unexpected side-effects. Doses should be divided accordingly in this situation.
When used in large quantities for a long period of time without breaks, fenbendazole can cause an asymptomatic liver enzyme increase due to the fact of the substance being mainly metabolized in the liver. This is reversible with the help of a couple week pause from the medication.
The protocol was designed to keep the liver in optimal health, therefore the schedule of weekly 3 days on, 4 days off was previously suggested. However, more and more people are using fenbendazole on a daily basis without problems.
We would still recommend taking at least 1 day off per week to avoid over stressing the liver if the medication is to be used for prolonged periods of time (like months or years).
To keep the liver health optimal, we advise you to take 250 mg capsules of Milk Thistle or 150 mg of Silymarin daily as a supportive supplement for keeping it in great shape.
References:
- Lacey, E. (1990). Mode of action of benzimidazoles
- Drug-Induced Liver Injury in a Patient with Nonsmall Cell Lung Cancer after the Self-Administration of Fenbendazole Based on Social Media Information (2021)
Side Effects of Fenbendazole Reported:
Most people have NO side effects. The main complaints of the small group of people who did experience side effects were:* Mild diarrhoea
* Mild stomach discomfort
* Elevated liver enzymes
Who May Be At Greater Risk of Side Effects?:
- People who use Fenbendazole in high doses.
- Use of medications and supplements that use the same pathways for metabolism as Fenbendazole
- Those taking treatments/medications that increase liver enzymes
- One research suggests that those who are weak from chemotherapy may experience more side effects than those not receiving conventional cancer treatment, particularly in elevated liver enzymes.
Fenbendazole Dosage for Humans
Commonly available information about fenbendazole dosages is often inaccurate when applied to potential cancer-related uses. Many sources cite standard dosages recommended for treating parasitic infections, rather than dosages studied specifically in the context of cancer research.The anti-parasitic dosage is not as effective for people looking for a dosage against cancer. Dosage will need to be adjusted according to cancer type and stage.
Fenbendazole dosage should be based on fenbendazole cancer studies. Multiple factors are considered including studies including fenbendazole for cancer, anecdotal studies and case series, the aggressiveness of the cancer type and the cancer stage.
Cancer dosage estimation can be adjusted based on the time that a person has to beat cancer or its risk to the patient - this includes both the cancer type and whether the cancer has spread or metastasised.
Some cancers provide the patient with less time to beat the cancer e.g. fast growing cancer, and of course; metastasis also means that the time to beat the cancer is shorter than before metastasis.
 |
| Source: https://www.onedaymd.com/2024/11/fenbendazole-and-cancer-15-minutes-with.html |
Protocol (the initial version) – complementary treatment of cancer
- Fenbendazole 222 mg. Consume one capsule 3 days weekly, once time daily after eating a fatty dinner. * Then do not take any for 4 days. Replicate this cycle each week.
- Bio-Available Curcumin 600 mg. Consume one capsule twice daily after eating breakfast and lunch without waiting.
- CBD oil 25 milligrams. Consume one to two drops (total ~25 milligram) under your tongue daily before bedtime.
Protocol (the altered, stronger version) – complementary cancer treatment
- Fenbendazole 222 milligrams. Consume one capsule daily after eating a fatty dinner without waiting. **
- Bio-Available Curcumin 600 mg. Consume one capsule twice daily after eating breakfast and lunch without waiting.
- CBD oil 25 milligrams. Consume one to two drops (total ~25 milligrams) under your tongue daily before bedtime.
Avoiding cancer relapse – prophylactic procedure
- Fenbendazole 222 milligrams. Consume one capsule 3x weekly, once daily after eating a fatty dinner. Then don’t take it for 4 days. Replicate this cycle each week.
- Bio-Available Curcumin 600 milligrams. Consume one capsule twice daily after you eat breakfast and lunch without stopping.
- CBD oil 25 milligrams. Consume one to two drops (a total of~25 milligrams) under your tongue daily prior to bedtime.
- Tumour marker steady checks every few months, routine annual cancer imaging tests. If there’s not any cancer relapse after five years, reduce the test frequency.
Avoiding cancer for somebody who was always free of cancer – prophylactic procedure
- Fenbendazole 222 milligrams. Consume one capsule 3x weekly, once daily after eating a fatty dinner. Then don’t take it for 4 days. Duplicate this for ten weeks. Halt for ten weeks. Then replicate the cycle once more.
- Bio-Available Curcumin 600 milligrams. Consume one capsule twice daily after eating breakfast and lunch without stopping.
- CBD oil 25 milligrams. Consume one to two drops (a total of ~25 milligrams) under your tongue daily prior to bedtime.
Does Fenbendazole cause liver damage?
Although fenbendazole is generally well tolerated, there have been reports of elevated liver enzymes from the use of Fenbendazole, as well as the similar human medications mebendazole and albendazole.
Therefore, patients should get a blood panel that includes the liver enzymes of AST, ALT, Alkaline Phosphatase, before taking Fenbendazole.
Liver enzymes may be elevated from cancer treatments, alcohol use, certain medications, and cancer itself.
Elevated liver enzymes indicate a liver that is stressed and inflamed, and adding to its burden with Fenbendazole would not be recommended.
There is a report documenting the effect of fenbendazole on liver function as measured by the enzymes aspartate transaminase (AST) and alanine aminotransferase (ALT). A search using Google of “fenbendazole and cancer” returns this case report as the first result: Teppei Yamaguchi, Junichi Shimizu, Yuko Oya, Yoshitsugu Horio, Toyoaki Hida. Drug-Induced Liver Injury in a Patient with Nonsmall Cell Lung Cancer after the Self-Administration of Fenbendazole Based on Social Media Information. Case Rep Oncol 1 September 2021; 14 (2): 886–891. https://doi.org/10.1159/000516276
Elevated liver enzymes may actually be a good sign for a cancer patient taking fenbendazole. Those liver enzyme (AST, ALT) values may spike for one or two months as the liver is stressed by the influx of dead cancer cells as it filters and processes the cellular debris from those dead cancer cells. AST and ALT increasing is a sign of hepatic stress (work), not necessarily disease, in the context of fenbendazole use. These liver enzymes usually normalize after the cancer is eradicated by fenbendazole.
FYI, liver enzymes will also fluctuate with other non-cancerous sicknesses/recoveries as dead cellular debris enters the bloodstream and is processed by the liver for removal. This is part of a normal physiological process. Temporary liver enzyme fluctuation should be expected to occur as a matter of course when using fenbendazole as fenbendazole kills the cancer cells.
If a patient has elevated liver enzymes, liver damage, liver metastasis, or liver diseases, it is important to work with a health professional who is familiar with the use of Fenbendazole and can advise whether it can be used and/or monitor lab values. A typical dose of 250mg of Fenbendazole usually does not cause side effects, but vigilance is key due to the lack of extensive studies on its effects in humans.
Generally, for those with normal lab values, after one month of Fenbendazole treatment, patients should get a comprehensive metabolic panel (CMP). This standard blood test will check the liver and kidney function to assure that the patient is tolerating Fenbendazole without any concerning impacts on the vital organs.
Given that acetaminophen is metabolized in the liver, and the effects of fenbendazole on human liver metabolism are not well-documented, using these in combination requires careful monitoring.
Additionally, you might consider incorporating supplements like milk thistle to help maintain normal liver enzyme levels.
If you decide to continue using this combination, closely monitor for potential side effects, such as gastrointestinal issues from metoclopramide or liver problems from acetaminophen.
In conclusion, while there is no specific evidence of harmful interactions between metoclopramide, acetaminophen, and fenbendazole, the experimental nature of fenbendazole’s use in humans necessitates caution and vigilant monitoring of the patient’s health. Be sure to regularly check liver enzyme levels to manage any emerging issues effectively.
The fenbendazole protocol was designed to keep the liver in optimal health, therefore the schedule of weekly 3 days on, 4 days off was previously suggested. However, more and more people are using fenbendazole on a daily basis without problems.
We would still recommend taking at least 1 day off per week to avoid over stressing the liver if the medication is to be used for prolonged periods of time (like months or years).
To keep the liver health optimal, we advise you to take 250 mg capsules of Milk Thistle or 150 mg of Silymarin daily as a supportive supplement for keeping it in great shape.
Although fenbendazole is generally well tolerated, there have been reports of elevated liver enzymes from the use of Fenbendazole, as well as the similar human medications mebendazole and albendazole.
Therefore, patients should get a blood panel that includes the liver enzymes of AST, ALT, Alkaline Phosphatase, before taking Fenbendazole.
Liver enzymes may be elevated from cancer treatments, alcohol use, certain medications, and cancer itself.
Elevated liver enzymes indicate a liver that is stressed and inflamed, and adding to its burden with Fenbendazole would not be recommended.
Therefore, patients should get a blood panel that includes the liver enzymes of AST, ALT, Alkaline Phosphatase, before taking Fenbendazole.
Liver enzymes may be elevated from cancer treatments, alcohol use, certain medications, and cancer itself.
Elevated liver enzymes indicate a liver that is stressed and inflamed, and adding to its burden with Fenbendazole would not be recommended.
There is a report documenting the effect of fenbendazole on liver function as measured by the enzymes aspartate transaminase (AST) and alanine aminotransferase (ALT). A search using Google of “fenbendazole and cancer” returns this case report as the first result: Teppei Yamaguchi, Junichi Shimizu, Yuko Oya, Yoshitsugu Horio, Toyoaki Hida. Drug-Induced Liver Injury in a Patient with Nonsmall Cell Lung Cancer after the Self-Administration of Fenbendazole Based on Social Media Information. Case Rep Oncol 1 September 2021; 14 (2): 886–891. https://doi.org/10.1159/000516276
Elevated liver enzymes may actually be a good sign for a cancer patient taking fenbendazole. Those liver enzyme (AST, ALT) values may spike for one or two months as the liver is stressed by the influx of dead cancer cells as it filters and processes the cellular debris from those dead cancer cells. AST and ALT increasing is a sign of hepatic stress (work), not necessarily disease, in the context of fenbendazole use. These liver enzymes usually normalize after the cancer is eradicated by fenbendazole.
FYI, liver enzymes will also fluctuate with other non-cancerous sicknesses/recoveries as dead cellular debris enters the bloodstream and is processed by the liver for removal. This is part of a normal physiological process. Temporary liver enzyme fluctuation should be expected to occur as a matter of course when using fenbendazole as fenbendazole kills the cancer cells.
If a patient has elevated liver enzymes, liver damage, liver metastasis, or liver diseases, it is important to work with a health professional who is familiar with the use of Fenbendazole and can advise whether it can be used and/or monitor lab values. A typical dose of 250mg of Fenbendazole usually does not cause side effects, but vigilance is key due to the lack of extensive studies on its effects in humans.
Generally, for those with normal lab values, after one month of Fenbendazole treatment, patients should get a comprehensive metabolic panel (CMP). This standard blood test will check the liver and kidney function to assure that the patient is tolerating Fenbendazole without any concerning impacts on the vital organs.
Elevated liver enzymes may actually be a good sign for a cancer patient taking fenbendazole. Those liver enzyme (AST, ALT) values may spike for one or two months as the liver is stressed by the influx of dead cancer cells as it filters and processes the cellular debris from those dead cancer cells. AST and ALT increasing is a sign of hepatic stress (work), not necessarily disease, in the context of fenbendazole use. These liver enzymes usually normalize after the cancer is eradicated by fenbendazole.
FYI, liver enzymes will also fluctuate with other non-cancerous sicknesses/recoveries as dead cellular debris enters the bloodstream and is processed by the liver for removal. This is part of a normal physiological process. Temporary liver enzyme fluctuation should be expected to occur as a matter of course when using fenbendazole as fenbendazole kills the cancer cells.
If a patient has elevated liver enzymes, liver damage, liver metastasis, or liver diseases, it is important to work with a health professional who is familiar with the use of Fenbendazole and can advise whether it can be used and/or monitor lab values. A typical dose of 250mg of Fenbendazole usually does not cause side effects, but vigilance is key due to the lack of extensive studies on its effects in humans.
Generally, for those with normal lab values, after one month of Fenbendazole treatment, patients should get a comprehensive metabolic panel (CMP). This standard blood test will check the liver and kidney function to assure that the patient is tolerating Fenbendazole without any concerning impacts on the vital organs.
Additionally, you might consider incorporating supplements like milk thistle to help maintain normal liver enzyme levels.
If you decide to continue using this combination, closely monitor for potential side effects, such as gastrointestinal issues from metoclopramide or liver problems from acetaminophen.
In conclusion, while there is no specific evidence of harmful interactions between metoclopramide, acetaminophen, and fenbendazole, the experimental nature of fenbendazole’s use in humans necessitates caution and vigilant monitoring of the patient’s health. Be sure to regularly check liver enzyme levels to manage any emerging issues effectively.
We would still recommend taking at least 1 day off per week to avoid over stressing the liver if the medication is to be used for prolonged periods of time (like months or years).
To keep the liver health optimal, we advise you to take 250 mg capsules of Milk Thistle or 150 mg of Silymarin daily as a supportive supplement for keeping it in great shape.
Clinical Evidence and Ongoing Research
Researchers have been exploring the potential applications of fenbendazole in human health, with several studies focusing on its anticancer properties. In vitro experiments have demonstrated the drug’s ability to inhibit cancer cell growth and induce apoptosis in various types of tumors. However, it’s important to note that these findings are preliminary and require further investigation through rigorous clinicaltrials. Currently, there are ongoing studies evaluating the safety and efficacy of fenbendazole in human subjects, with a particular emphasis onits potential as an adjunct therapy for cancer treatment.
While the veterinary use of fenbendazole is well-established, its application in human medicine remains experimental. Researchers are investigating its potential benefits in treating parasitic infections in immunocompromised individuals and exploring its possible synergistic effects when combined with traditional cancer therapies. Some key areas of focus include:
- Assessing the optimal dosage and administration schedule for humanuse
- Evaluating potential side effects and drug interactions
- Investigating its effectiveness against drug-resistant parasites
- Exploring its impact on the human gut microbiome
As of now, there are limited clinical trials exploring the use of fenbendazole in humans. Research is primarily in preclinical stages. However, the Fenbendazole Cancer Protocol gained rapid interest over the past years following some fenbendazole advanced cancer success stories.
While the veterinary use of fenbendazole is well-established, its application in human medicine remains experimental. Researchers are investigating its potential benefits in treating parasitic infections in immunocompromised individuals and exploring its possible synergistic effects when combined with traditional cancer therapies. Some key areas of focus include:
- Assessing the optimal dosage and administration schedule for humanuse
- Evaluating potential side effects and drug interactions
- Investigating its effectiveness against drug-resistant parasites
- Exploring its impact on the human gut microbiome
As of now, there are limited clinical trials exploring the use of fenbendazole in humans. Research is primarily in preclinical stages. However, the Fenbendazole Cancer Protocol gained rapid interest over the past years following some fenbendazole advanced cancer success stories.
Regulatory Status and Legal Implications of Human Consumption
The use of fenbendazole in humans exists in a regulatory gray area. While approved for veterinary applications, it lacks formal endorsementfrom major health authorities for human consumption. The FDA has not granted approval for its use in people, citing insufficient clinical data and potential risks. Despite this, some individuals choose to self-administer the drug, often sourcing it from animal supply stores or online marketplaces.Legal implications of human fenbendazole use vary by jurisdiction. In some countries, possession and consumptionmay be considered off-label drug use, potentially leading to legal consequences. Healthcare providers face ethical dilemmas when patients request guidance on its use, as recommending unapproved treatments could result in professional repercussions. Consumers should be aware of potential legal risks, including:
- Importation restrictions
- Liability issues in case of adverse effects
- Possible regulatory action against suppliers
Frequently Asked Questions
What is the Best Dosage of Fenbendazole for Cancer Treatment?
The 222 mg per day regimen is the most commonly cited in anecdotal reports and limited studies.
Are There Clinical Studies on Fenbendazole for Human Cancer Treatment?
As of now, there are limited clinical studies. However, preclinical research and anecdotal evidence suggest promising results. The Fenbendazole Cancer Protocol gained rapid interest over the past years following some fenbendazole advanced cancer success stories. (1)
What Are the Potential Risks of Long-Term Fenbendazole Use in Humans?
Long-term effects are not well-studied, but some users report mild digestive issues and rare cases of liver enzyme elevation.
Can Fenbendazole Be Taken with Chemotherapy or Other Cancer Treatments?
Some users report using Fenbendazole alongside chemotherapy, but consult your oncologist before combining treatments.
How Long Should a Patient Take Fenbendazole for Cancer?
Some individuals follow a long-term regimen, while others stop after seeing improvements. Medical guidance is advised.Sources and References:
- Fenbendazole advanced cancer success stories. 250 Case Reports Compilation (October 2025 Edition)
- Wikipedia. https://en.wikipedia.org/wiki/Fenbendazole
- Fenbendazole and Cancer - at least 12 Anti-Cancer Mechanisms of Action - Dr William Makis
- Targeting the Mitochondrial-Stem Cell Connection in Cancer Treatment: A Hybrid Orthomolecular Protocol
- https://healnavigator.com/fenbendazole-cancer-success-stories-and-testimonials
- https://www.fenbendazole.org/category/case-reports/
- https://fenben.pro/fenbendazole-for-humans-safety-and-efficacy-examined/
- Fenbendazole and Ivermectin for Metastatic Prostate Cancer Success Stories: 17 Case Studies Compilation
- Fenbendazole, Ivermectin and Mebendazole for Metaststic Colorectal Cancer: 20 Case Reports Compilation
- Mel Gibson had 3 Friends cure their Stage Four Cancer with Fenbendazole and Ivermectin
- Turbo Cancer Debunked
- Difference between fenbendazole and mebendazole
- Fenbendazole vs Ivermectin for cancer
- Top 10 cancer fighting supplements
- Joe Tippens Protocol Fenbendazole
- Fenbendazole: Questions Answered, Things to Know, Useful Tips
- Best Ivermectin Dosage for Humans with Cancer or Different Cancer Types
- https://healnavigator.com/blog/fenbendazloe-side-effect-humans/
- https://alternativemedicine.com/cancer/facts-you-might-not-have-known-about-fenbendazole/
- https://www.fenbendazole.org/fenbendazole-information/fenbendazole-safety-and-side-effects/
Find Integrative Oncologists in USA, Mexico, Europe or Asia
While the potential anti-cancer properties of fenbendazole are intriguing, it’s crucial to approach with caution.Consulting with an integrative healthcare expert is key to crafting a Fenbendazole protocol tailored to your unique health requirements.
To find integrative oncologists, check out "find integrative oncologists".
Disclaimers:
- Statements on this website have not been evaluated by the Food and Drug Administration. The contents of this website is for educational and informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis or treatment.
- Please do not consider this guide as personal medical advice, but as a recommendation for use by professional providers. Consult with your doctor and discuss with her/him. Our aim here isn't to replace your doctors' advice. It is intended as a sharing of knowledge and information. Do take note that cancer is a continuous struggle between the immune system and the cancer cells. Cancer treatments are meant to assist the immune system in this battle.
- The case reports presented reflect the real-life experiences and opinions of other readers or users of the website. The experiences of those readers or users are personal to those particular readers/users and may not necessarily be representative of all readers/users. We do not claim, and you should not assume, that all other readers/users will have the same experiences. Do you own research, consult with relevant medical professionals before attempting to self-treat for any condition.
- Cancer treatment should be part of a multi-modal approach in order to provide the best possible outcome. Diet and lifestyle changes are meant to run alongside conventional treatment. They are complementary, not alternative.
- Cancer care is a team effort with the patient at the centre. Care should be supervised and coordinated by a primary healthcare provider. Patients with cancer should consult with their regular oncologist as well as an integrative provider/oncologist, in addition to their primary care provider and the supporting nurses, dieticians and other allied healthcare professionals.
- While the term 'alternative' might imply opposition to conventional oncology, we prefer 'complementary,' 'integrated,' or 'holistic.' These terms better reflect the role of these strategies as part of a personalized value-added menu of strategies, ensuring the most effective and safe solutions for patients.
- Integrating a repurposed drug doesn't mean rejecting modern medicine — It enhances it and offers a more comprehensive approach to wellness and healing. By combining conventional cancer management with root-cause resolution, this model creates a path to sustained recovery and resilience.
New & Improved Joe Tippens Protocol
In 2016, Joe Tippens was diagnosed with non-small-cell lung cancer with extensive metastatic disease. At the advice of a veterinarian friend, he took Fenbendazole together with nanocurcumin, and three months after starting these drugs his PET scan was completely clear.
Below is a modified version of the Joe Tippens protocol, a synergistic combination of fenbendazole, ivermectin and nutraceuticals, updated based on the ivermectin and mebendazole based protocol published in the Journal of Orthomolecular Medicine (2024):
Below is a modified version of the Joe Tippens protocol, a synergistic combination of fenbendazole, ivermectin and nutraceuticals, updated based on the ivermectin and mebendazole based protocol published in the Journal of Orthomolecular Medicine (2024):
- Ivermectin (24 mg, 7 days a week) or in the case of severe aggressive cancers up to 1mg/kg/day.
- Mebendazole (Dose of 200 - 400 mg/day) or Fenbendazole, commonly taken at 300 mg for six days a week, with doses increasing to up to 1 gram in cases of aggressive cancers.
- Vitamin D (62.5 mcg [2500 IU] seven days a week).
- Bio-Available Curcumin (600 mg per day, 7 days a week).
- Enhanced absorption Berberine (500 mg per day) to starve your cancer of sugar.
- Diet and Lifestyle: Eliminate sugar consumption as supported by the BMJ 2023 umbrella review, which recommends reducing free and added sugars to below 25 g/day and limiting sugar-sweetened beverages to less than one serving per week to reduce adverse health effects. Adopt a whole-food diet and avoid ultra-processed foods, as recommended by the BMJ 2024 guidelines. Additionally, prioritise adequate sleep and effective stress management to support overall health.
*Notes:
- Please note that this protocol now includes the vital Vitamin D addition, with the one day off for the fenbendazole administration. This protocol represents the most comprehensive and cutting edge repurposed drug and vitamin treatment approach to date.
- If you are taking ivermectin and mebendazole, you might not need fenbendazole. Consult your doctor.
- Vitamin E: Removed from the protocol (Joe Tippens, July 22, 2020) due to interactions (e.g., with blood thinners).
- Ivermectin can significantly increase the blood-thinning effect of warfarin (Coumadin), and combining them increases the risk of dangerous or unusual bleeding. It may also interact with other anticoagulants, and patients should be closely monitored by a doctor.
- Ivermectin works best when taken with high-fat foods (Natural News).
Read More: This article is part of the Winning the War on Cancer series.
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Ivermectin and mebendazole, both approved for human use, are now available in the U.S.
Researched and approved by Dr. Peter McCullough.
Researched and approved by Dr. Peter McCullough.
- Prescribed by licensed medical professionals
- Compounded and dispensed by a licensed US-based pharmacy
- Approved for human use
Where to buy Ivermectin and Mebendazole Formula: Available on The Wellness Company's website. Here is the link: Ivermectin and Mebendazole.
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