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Are Fenbendazole, Ivermectin and Artemisinin the same thing and can they cure cancer?

Checked 18 August 2026

We checked

Claim 1: Fenbendazole, Ivermectin and Artemisinin are the same substance

Claim 2: Fenbendazole helps cure cancer

Claim 3: Ivermectin helps cure cancer

Claim 4: Artemisinin helps cure cancer

Summary

No on both counts: they are three chemically distinct drugs (an anthelmintic, an antiparasitic, and a plant compound) with different structures and origins, and none of them has been shown to cure cancer in humans — all three show only lab-dish or animal anticancer activity, with no completed human trials demonstrating benefit. Each claim was checked and none held up, so the overall answer is a clean no rather than a mixed verdict.

Evidence

Claim 1: Fenbendazole, Ivermectin and Artemisinin are the same substance

No — the evidence is against it

Fenbendazole is a synthetic benzimidazole carbamate (C15H13N3O2S), ivermectin is a semi-synthetic avermectin macrocyclic lactone derived from a soil bacterium (~C48H74O14), and artemisinin is a plant-derived sesquiterpene lactone with a peroxide bridge (C15H22O5) — three chemically unrelated molecules with different structures, origins, and mechanisms, not the same substance.

References

Claim 2: Fenbendazole helps cure cancer

No — the evidence is against it

Fenbendazole has never been approved by the FDA or any regulatory body for human use, and no completed human clinical trials have shown it treats or cures cancer; the lab and animal studies showing anticancer activity in petri dishes have not translated into demonstrated benefit in people, and the viral human 'remission' story (Joe Tippens) involved simultaneous use of an approved immunotherapy drug, making it impossible to credit fenbendazole alone.

References

Claim 3: Ivermectin helps cure cancer

No — the evidence is against it

Peer-reviewed reviews find ivermectin shows anticancer effects only in petri-dish and animal studies, with no large-scale randomized controlled trials in humans confirming any therapeutic benefit against cancer; the National Cancer Institute itself began a preclinical (not clinical) investigation in 2026 precisely because the human-level evidence doesn't exist yet.

References

Claim 4: Artemisinin helps cure cancer

The source says otherwise

Lab and animal studies show artemisinin and its derivatives have anticancer activity against cancer cells, but a patient-resource review of the clinical trial evidence states plainly that these agents are not a cure for cancer, and the one trial that measured survival found no difference; other reviewers agree there is no strong human clinical evidence that it fights cancer, only limited, small-scale, or animal-model data.

References

Origin of claims

These are three unrelated drugs from different chemical families — fenbendazole is a veterinary benzimidazole dewormer, ivermectin is an antiparasitic avermectin, and artemisinin is a plant-derived antimalarial compound — that got bundled together in popular "repurposed drugs cure cancer" narratives after separate viral moments. The fenbendazole strand traces to Oklahoma businessman Joe Tippens, who was diagnosed with small-cell lung cancer in 2016 and reported remission after adding fenbendazole to his conventional immunotherapy, a story that spread widely through his personal blog and Facebook groups. The ivermectin strand grew out of genuine but early-stage laboratory research on cancer cell lines through the 2010s, then exploded into mass public attention in 2026 after actor Mel Gibson described his friends' recoveries on a widely-viewed podcast, and again after a June 2026 self-report study went viral before the journal issued a formal Expression of Concern.

References
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Kept current

Reviewed 17 September 2026 — nothing had changed.

Claims on this page are re-checked periodically; any change of finding is reviewed by a person before it appears here.


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