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.
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.
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.
This page surfaces every story mentioning Yellow Oleander across our legal coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running legal beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where Yellow Oleander was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |