Last mentioned: Mar 16, 2026
Marketplace Purge
Amazon begins removing thousands of listings in the Tejocote and weight-loss categories for compliance review.
Mass Public Warning
Widespread media alerts issued to consumers across the United States regarding the 'poison' supplements.
Mass Syndication
26+ news outlets issue urgent 'poison' warnings for Amazon-sold supplements.
Amazon Notification
Regulators formally notify Amazon of the presence of poisonous substances in specific marketplace listings.
Initial Detection
FDA laboratory testing identifies toxic yellow oleander in weight-loss supplements.
Tejocote Root Alert
Regulators warn of toxic substitutions in weight-loss supplements sold online.
Initial FDA Warning
FDA flags unlisted pharmaceutical ingredients in Amazon supplement listings.
Federal regulators have issued a sweeping warning regarding dietary supplements sold on Amazon that contain highly toxic substances, including yellow oleander. This development highlights the ongoing struggle to regulate third-party e-commerce marketplaces and the significant health risks posed by mislabeled botanical products.
Federal regulators have issued an urgent public health warning regarding poisonous substances found in dietary supplements sold on Amazon's marketplace. The discovery of toxic ingredients like yellow oleander in products marketed as weight-loss aids has reignited the legal debate over marketplace liability and the adequacy of automated compliance systems.