Fenbendazole Dosage for Cancer in Humans: Benefits, Risks, and Guidelines (2025)

What is Fenbendazole?

Fenbendazole is an anthelmintic drug commonly used to treat parasitic infections in animals. However, recent research and anecdotal reports suggest it may have potential anticancer properties in humans.

How Does Fenbendazole Work for Cancer?

Fenbendazole is believed to work by disrupting microtubules in cancer cells, leading to cell cycle arrest and apoptosis (cell death). Some studies suggest it may also modulate glucose metabolism, limiting cancer cell energy supply.

What are the recommended doses of fenbendazole for cancer in 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.
* Fenbendazole is actually hydrophobic and it is not absorbed well by the bowels. Consuming this with food or after eating makes it absorb better.

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.
** Fenbendazole is practically non-toxic to individuals with no liver or kidney insufficiency.

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.

Recommended Fenbendazole Dosage for Cancer in Humans: Joe Tippens Protocol

The commonly referenced Joe Tippens Protocol suggests the following dosage:



Potential Side Effects of Fenbendazole in Humans

While generally considered safe, potential side effects may include:

  • Gastrointestinal discomfort (nausea, diarrhea, bloating)

  • Liver enzyme elevation (rare)

  • Bone marrow suppression (rare)

Safety and Precautions

  • Medical Supervision: Always consult with a doctor, especially if combining with other treatments.

  • Drug Interactions: May interact with chemotherapy or immunotherapy drugs.

  • Liver Function Monitoring: Periodic liver enzyme tests may be advisable.

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.

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 & References

Ivermectin and mebendazole, both approved for human use, are now available in the U.S.

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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