The Medicines and Healthcare products Regulatory Agency (MHRA) has conducted raids on two premises in Lincolnshire and Nottinghamshire as part of an ongoing investigation into an organised criminal network involved in manufacturing unlicensed weight loss medicines. The Criminal Enforcement Unit (CEU), supported by Lincolnshire Police, Immigration Enforcement and Lincolnshire Trading Standards, seized almost 2,000 doses of unauthorised weight loss medicines awaiting dispatch to customers, alongside manufacturing equipment, suspected pharmaceutical ingredients, packaging and commercial vehicles. The premises searched comprised a farm near Sleaford and a residential address in Grantham, believed to have been used for manufacturing and distributing unlicensed weight loss medicines including retatrutide and tirzepatide, as well as peptide products. The operation follows a previous raid in October 2025 in which CEU officers dismantled what the MHRA described as the UK's first illicit weight loss medicine manufacturing facility in Northampton.