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Yellow Oleander Contamination in Dietary Supplements

The contamination of dietary supplements with yellow oleander, a toxic plant, and its effects on human health, including neurological, gastrointestinal, and cardiovascular symptoms.

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Jan 14, 2026

What are the known health risks associated with yellow oleander contamination in dietary supplements?

Yellow oleander (Cascabela/Thevetia spp.) is a toxic plant that has been identified as a contaminant in dietary supplements marketed as tejocote root and similar products; ingestion can produce neurol...