# Taiwan bitter tea oil contamination > Live situation record from CLSTR: https://clstr.news/situations/taiwan-bitter-tea-oil-contamination > Updated: 2026-08-05T02:45:00.000Z. Sources: 9. Developments: 2. In late July 2026, the Taipei City Health Bureau acted on a self‑report from Yongfu Yu Biotech that a batch of its In‑land Golden Flower Bitter Tea Oil contained benzopyrene above the legal limit. The agency ordered an immediate recall of the affected bottles, expanded the recall to other stocks, offered refunds and credits, and launched a broader investigation into oil products. A week later, prosecutors charged Weiga Co. with fraud and false labeling after testing confirmed that bitter tea oil sold under multiple brands, including those from Yongfu Yu Biotech, was contaminated. Eight batches were withdrawn, and several executives posted bail while the plant manager was detained. The Food and Drug Administration and northern prosecutors coordinated the probe, focusing on the supply chain and missing purchase records. The case has progressed from a health‑risk recall to criminal proceedings, highlighting Taiwan's regulatory response and ongoing scrutiny of food‑oil safety. ## Timeline ### 2026-08-05: Weiga Co. executives released on bail amid Taiwan bitter tea oil contamination case Weiga Co. faces fraud charges after Taiwanese bitter tea oil was found to contain excess benzopyrene; executives posted bail and eight batches were recalled. 2 sources. https://clstr.news/cluster/weiga-co-executives-released-on-bail-amid-taiwan-bitter-tea-oil-contamination-case ### 2026-07-30: Bitter Tea Oil Contaminated with Benzopyrene, Taipei Health Agency Orders Recall Taipei health officials recalled bitter tea oil after Yongfu Yu Biotech reported benzopyrene levels (2.9 µg/kg) above the 2.0 µg/kg limit, ordering full recall and refunds, while the health ministry cited a科学‑基 7 sources. https://clstr.news/cluster/taiwan-recalls-bitter-tea-oil-over-benzopyrene-contamination --- Cite as: Taiwan bitter tea oil contamination. CLSTR, https://clstr.news/situations/taiwan-bitter-tea-oil-contamination