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Thursday 09/04/2026

ASA Bans Weight Loss Drug Ads in Major Crackdown on Online Pharmacies

Gavel hitting computer screen with digital pharmacy
Maya SinghMaya Singh

In This Article

HIGHLIGHTS

  • The Advertising Standards Authority (ASA) has banned nine adverts for promoting prescription-only weight loss medications, including one by TV personality Gemma Collins.
  • The ASA's crackdown aims to curb the "wild west" culture of online pharmacies advertising weight loss injections like Wegovy and Mounjaro.
  • Advertisements must not feature phrases like "weight loss injections" or images of medical injection pens, and must include a consultation and prescription as part of a wider service.
  • The ASA's AI monitoring system processed 28 million ads in 2024, identifying over 20,000 problematic ads, including 10,000 for weight loss treatments.
  • The ASA's actions are intended to protect the public from undue commercial pressure and ensure safe prescribing practices.

In a decisive move to regulate the burgeoning market of online weight loss treatments, the Advertising Standards Authority (ASA) has banned nine advertisements, including one by TV personality Gemma Collins, for promoting prescription-only weight loss medications. This action is part of a broader effort to address what has been described as a "wild west" culture in the online sale of such treatments.

Gemma Collins' Ad Among Banned Promotions

Gemma Collins, a well-known TV personality, found her Instagram post advertising a weight-loss drug and app banned by the ASA. The post, which claimed she was "two sizes down" thanks to Yazen's weight loss app and medication, was deemed illegal as it indirectly promoted prescription-only medications. Collins acknowledged the breach and committed to adhering to advertising guidelines in the future. Yazen, a Swedish digital healthcare brand, offers a doctor-supervised weight-loss program combining prescription medications with lifestyle coaching.

ASA's New Rulings and Their Implications

The ASA's recent rulings set clear precedents for advertisers, prohibiting the use of terms like "weight loss injections" and images of medical injection pens in ads. Advertisements must now present weight loss treatments as part of a comprehensive service that includes consultation and prescription. The ASA's chair, Nicky Morgan, emphasized the importance of protecting the public from undue commercial pressure and ensuring safe prescribing practices.

AI Monitoring and Future Enforcement

The ASA's AI-based monitoring system has been instrumental in identifying problematic ads, processing 28 million ads across all sectors in 2024. The system flagged over 20,000 ads from 35 high-priority pharmacies, with 10,000 related to weight loss treatments. The ASA plans to continue using AI to identify repeat offenders and ensure compliance with advertising standards.

WHAT THIS MIGHT MEAN

The ASA's crackdown on weight loss drug advertisements could lead to significant changes in how online pharmacies operate. By enforcing stricter advertising rules, the ASA aims to protect consumers from misleading promotions and ensure that weight loss treatments are prescribed safely and appropriately. This move may prompt online pharmacies to reevaluate their marketing strategies and focus on promoting comprehensive healthcare services rather than individual medications.

In the long term, the ASA's actions could set a precedent for other regulatory bodies worldwide, encouraging them to adopt similar measures to regulate the advertising of prescription-only medications. As the digital healthcare market continues to grow, maintaining a balance between innovation and consumer protection will be crucial in ensuring public safety and trust.