About 7,000 counterfeit lollipops and other items were seized on Tuesday in a raid on a factory in Bangkok's Thung Khru district after consumers filed several complaints about poisoning.
Many of the lollipops were being sold as famous brands or those that had Food and Drug Administration certificates.
Police and FDA agents did not find any guards at the factory during the raid, when they confiscated the products, production equipment and raw materials worth a total of about Bt500,000. The raw materials are being tested and results are expected in a month's time.
The lollipops were sold at many tourist attractions frequented by both Thais and foreigners.