Over 100 Village Health Volunteers Hospitalized in Nan After Consuming Dietary Supplement

According to a report by Khaosod Online, a medical incident occurred in Na Noi District, Nan province, during a village health volunteer (VHV) training course held between September 25 and 27, 2026. During the event, an associate of the guest speaker introduced a dietary supplement to the attendees and encouraged them to consume it.

Approximately 15 minutes after ingestion, many participants began experiencing adverse reactions, including chest tightness, facial and body redness, rashes, and high blood pressure. Some individuals reportedly lost consciousness. Out of 163 total attendees, 129 consumed the product, with 104 subsequently requiring emergency transport to Na Noi Hospital for treatment. The remaining 25 individuals who consumed the supplement did not report symptoms.

For residents and visitors, this incident highlights the potential risks associated with consuming unverified health products, even in professional or educational settings. It serves as a reminder to exercise caution regarding dietary supplements that have not been officially vetted or prescribed by medical professionals. At this time, the specific identity of the supplement and the underlying cause of the mass reaction remain under investigation by local health authorities. Further details regarding the product's registration status and the accountability of those who distributed it are expected to be confirmed as the investigation proceeds.