FDA Finds Toxic Yellow Oleander in Botanical Weight-Loss Products
The FDA’s August 12, 2026 update adds another botanical weight-loss product to its yellow oleander safety alert. Laboratory testing found that products marketed as tejocote root or other natural slimming aids contained toxic cardiac glycosides, and some also contained undeclared drugs or chemicals. Here is what the alert means, why yellow oleander is dangerous, how the contamination happens, and what researchers and regulators are watching next.










