{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,2]],"date-time":"2026-01-02T07:46:20Z","timestamp":1767339980458,"version":"build-2065373602"},"reference-count":56,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2025,8,18]],"date-time":"2025-08-18T00:00:00Z","timestamp":1755475200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Thai Health Promotion Foundation (ThaiHealth)","award":["67-00463"],"award-info":[{"award-number":["67-00463"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Informatics"],"abstract":"<jats:p>Unregulated herbal products marketed via digital platforms present escalating risks to consumer safety and regulatory effectiveness worldwide. This study positions the case of Jindamanee herbal powder\u2014a banned substance under Thai law\u2014as a lens through which to examine broader challenges in digital health governance. Drawing on a dataset of 1546 product listings across major platforms (Facebook, TikTok, Shopee, and Lazada), we applied Latent Dirichlet Allocation (LDA) to identify prevailing promotional themes and compliance gaps. Despite explicit platform policies, 87.6% of listings appeared on Facebook. Medical claims, particularly for pain relief, featured in 77.6% of posts, while only 18.4% included any risk disclosure. These findings suggest a systematic exploitation of regulatory blind spots and consumer health anxieties, facilitated by templated cross-platform messaging. Anchored in Information Manipulation Theory and the Health Belief Model, the analysis offers theoretical insight into how misinformation is structured and sustained within digital commerce ecosystems. The Thai case highlights urgent implications for platform accountability, policy harmonization, and the design of algorithmic surveillance systems in global health product regulation.<\/jats:p>","DOI":"10.3390\/informatics12030084","type":"journal-article","created":{"date-parts":[[2025,8,18]],"date-time":"2025-08-18T16:22:33Z","timestamp":1755534153000},"page":"84","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Marketing a Banned Remedy: A Topic Model Analysis of Health Misinformation in Thai E-Commerce"],"prefix":"10.3390","volume":"12","author":[{"given":"Kanitsorn","family":"Suriyapaiboonwattana","sequence":"first","affiliation":[{"name":"Informatics Innovation Center of Excellence, School of Informatics, Walailak University, Nakhon Si Thammarat 80160, Thailand"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6547-5662","authenticated-orcid":false,"given":"Yuttana","family":"Jaroenruen","sequence":"additional","affiliation":[{"name":"Informatics Innovation Center of Excellence, School of Informatics, Walailak University, Nakhon Si Thammarat 80160, Thailand"}]},{"given":"Saiphit","family":"Satjawisate","sequence":"additional","affiliation":[{"name":"Informatics Innovation Center of Excellence, School of Informatics, Walailak University, Nakhon Si Thammarat 80160, Thailand"}]},{"given":"Kate","family":"Hone","sequence":"additional","affiliation":[{"name":"Computer Science, Brunel University of London, Uxbridge UB8 3PH, UK"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2534-5956","authenticated-orcid":false,"given":"Panupong","family":"Puttarak","sequence":"additional","affiliation":[{"name":"Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hatyai, Songkhla 90110, Thailand"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8207-7145","authenticated-orcid":false,"given":"Nattapong","family":"Kaewboonma","sequence":"additional","affiliation":[{"name":"Faculty of Management Technology, Rajamangala University of Technology Srivijaya, Nakhon Si Thammarat 80110, Thailand"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-5421-1334","authenticated-orcid":false,"given":"Puriwat","family":"Lertkrai","sequence":"additional","affiliation":[{"name":"Faculty of Management Technology, Rajamangala University of Technology Srivijaya, Nakhon Si Thammarat 80110, Thailand"}]},{"given":"Siwanath","family":"Nantapichai","sequence":"additional","affiliation":[{"name":"Informatics Innovation Center of Excellence, School of Informatics, Walailak University, Nakhon Si Thammarat 80160, Thailand"}]}],"member":"1968","published-online":{"date-parts":[[2025,8,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Santhosh Kumar, J.U., Chayapol, T., and Suchada, S. 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