A randomized, double-blind, placebo-controlled trial assessing apple cider vinegar for weight management in Lebanese adolescents and young adults with obesity was retracted in September 2025 due to irreproducible analyses.

Investigators found patterns in the dataset inconsistent with random allocation, and the reported P values were considered implausibly small.

The study lacked prospective registration, violating BMJ policy. Following the retraction, researchers cited data discrepancies from mismatching versions and exporting errors. Institutional review and patient data verification were recommended.

Source: BMJ Nutrition, Prevention & Health