Fenbendazole USP Powder 1000g

Fenbendazole USP Powder 1000g, categorized under Immune health & antioxidants in the Supplements vertical. It is scored on the Vyvata Scoring Framework — an independent 6-dimension rubric applied uniformly to every product Vyvata lists.

25/100 overall — Rejected tier (0–49 band). Per-dimension breakdown: Manufacturing 45, Formulation 40, Transparency 35, Sustainability 30, Safety 20, Evidence 15. Scored as of 2026-08-24.

Fenbendazole is a veterinary benzimidazole anti-parasitic (Panacur brand for dogs/livestock) that has been popularized as an off-label cancer treatment via the "Joe Tippens protocol" — despite no human RCT evidence and only in-vitro / animal cancer signals (Dogra 2018 Sci Rep, mouse xenograft only). The FDA has never approved fenbendazole for human use; case reports of fenbendazole-associated severe hepatotoxicity in self-treating cancer patients have appeared (Chiba 2022 J Med Case Reports and similar). Bulk 1 kg powder sold to consumers without medical supervision creates severe risk of misuse and self-medication for serious disease. Autofailed as unverified_disease_claim regardless of listing copy — the SKU exists in this quantity for exactly one reason. Not a Vyvata-appropriate product under any stack framing.

Strongest: Manufacturing at 45/100 (third-party testing, GMP compliance, and facility audit status) and Formulation at 40/100 (dose adequacy, bioavailability form, and ingredient redundancy). Weakest: Safety at 20/100 (adverse-event profile, interaction risk, and dose ceiling) and Evidence at 15/100 (quality of published RCT support for the active ingredients at the label dose). All six dimensions feed the overall Vyvata score; a weakness on any one dimension pulls the overall down proportionally.

No third-party certifications (NSF, USP, ConsumerLab, or equivalent) were on record at the time of scoring. This affects the Manufacturing dimension score. The manufacturer may test internally or have obtained certification more recently — check the current product label for the most up-to-date information.

This product triggered the Vyvata auto-fail rule "unverified_disease_claim", which places it in the Rejected tier regardless of its scores on other dimensions. See the full explanation above and the methodology page for the current list of auto-fail rules.

The top-ranked immune health & antioxidants product in the Vyvata catalog is currently PreserVision AREDS 2 Eye Vitamins, 210 Soft gels at 77/100. See the full ranked list of 590 scored products in this subcategory at https://vyvata.com/pages/best-immune-health-and-antioxidants-supplements-ranked.

The Vyvata Scoring Framework rates every listed product 0–100 across six dimensions: Evidence, Formulation, Manufacturing, Safety, Transparency, and Sustainability. Tier bands: Elite 85–100 (top-tier evidence + formulation + manufacturing), Verified 70–84 (strong on most dimensions), Standard 50–69 (solid but with weaknesses called out), Rejected 0–49 (specific failures documented). Rejected products remain listed with reasons. Full methodology at https://vyvata.com/pages/methodology.

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