Fake weight-loss medication in tablet form could flood Britain, experts warn

The anticipated shift from injectable to pill-form weight-loss medications, while promising increased accessibility, is raising concerns about a potential surge in counterfeit drugs. Experts warn that the ease of manufacturing pills compared to injectables creates a greater opportunity for fraudulent activity, potentially endangering public health.

The Rise of Oral Weight-Loss Drugs

Currently, medications like Wegovy and Mounjaro are primarily administered via injection. Clinical trials have demonstrated their effectiveness, with patients experiencing weight loss of approximately 14% to 20% of their body weight over 72 weeks. However, these injections are costly, require specific equipment, and necessitate refrigeration, limiting access for many.

Pharmaceutical companies, including Novo Nordisk and Eli Lilly, are now developing oral versions of these medications, utilizing drugs that mimic the GLP-1 hormone. Novo Nordisk’s pill form of Wegovy recently received approval from the US Food and Drug Administration (FDA) and is under review by the UK’s Medicines and Healthcare products Regulatory Agency (MHRA). Eli Lilly’s Orforglipron has completed phase-three clinical trials and has been submitted to the FDA for review.

Did You Know? In October 2025, the MHRA raided a factory in Northampton, seizing over £250,000 worth of counterfeit weight-loss jabs, including an unlicensed drug called retatrutide.

Why Pills Are More Vulnerable

The concern stems from the relative simplicity of pill manufacturing. According to Bhavik Patel, a professor of clinical and bioanalytical chemistry at the University of Brighton, “Pills are much easier prey for scammers than injectables as they require relatively accessible equipment to manufacture the pill – something to mix the powders and a pill press – and can provide the scope for vast production.”

Counterfeit pills could contain incorrect dosages, the wrong active ingredient, or even be entirely devoid of medication. They may also include medications diverted from the legitimate supply chain and improperly stored. Dr. Bernard Naughton, an associate professor at Trinity College Dublin, notes that falsified injections have already been identified, and the ease of pill production amplifies the risk.

Research conducted by Dr. Naughton suggests individuals may be more willing to take risks when purchasing pills online compared to injections, even when harboring doubts about their authenticity. This willingness, coupled with the anticipated high demand, could create a fertile ground for counterfeiters.

Expert Insight: The anticipated price difference between injectable and pill forms of these medications, while intended to increase access, inadvertently creates a stronger economic incentive for criminal activity. The potential for significant profit margins will likely attract unscrupulous actors seeking to exploit vulnerable individuals.

Regulatory Challenges and Potential Next Steps

Authorities are aware of the threat. The MHRA has repeatedly warned against purchasing weight-loss jabs from unregistered sources. However, the increasing sophistication of counterfeit operations, including the use of social media platforms like Telegram for advertising, presents ongoing challenges.

Oksana Pyzik, an associate professor at the UCL school of pharmacy, points out that demand is currently exceeding regulated supply, and price increases are driving some individuals to seek cheaper, potentially illicit, alternatives online. While the UK is beginning to utilize AI tools to detect falsified online advertisements, experts agree that stronger regulation and enforcement are crucial.

Pharmaceutical companies like Novo Nordisk are taking steps to combat counterfeiting, including online monitoring, supply chain tracking, and collaboration with authorities. However, the scale of potential production and distribution suggests that a comprehensive approach will be necessary.

Frequently Asked Questions

What makes pill-form weight loss drugs more susceptible to counterfeiting?

Pills require less specialized equipment to manufacture than injections, making them easier and cheaper to counterfeit, and allowing for larger-scale production, according to Bhavik Patel.

What are the potential dangers of counterfeit weight-loss medications?

Counterfeit pills could contain incorrect dosages, the wrong active ingredient, contaminated substances, or no active ingredient at all, as stated by Dr. Bernard Naughton.

Are authorities taking action to address this issue?

The MHRA has issued warnings about purchasing medications from unregistered sources and has conducted raids on counterfeit manufacturing facilities, such as the one in Northampton, though the status of any resulting prosecutions remains unclear.

As oral weight-loss medications become more widely available, will consumers be able to reliably distinguish between legitimate products and dangerous counterfeits?

Fake weight-loss medication in tablet form could flood Britain, experts warn | Weight-loss drugs