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Tuesday, October 13, 2026
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TikTok Influencers Fueling Unofficial Market for Unlicensed Slimming Medication

A shadow economy for unlicensed weight-loss drugs is being driven by TikTok fitness influencers and vendors on messaging platforms, based on recent findings.

Experimental Drug Acquiring Traction Online

The experimental drug, which is still in research studies, is being advertised by social media influencers for its alleged weight-reducing effects. Viewers are encouraged to message these profiles privately for source information, while also obtaining promotional offers.

Thriving Trade on Social Networks

Separately, a flourishing market exists on Telegram, where communities with numerous of members share comparison photos, administration instructions and assertions of rapid UK delivery. Vendors market the substance there before redirecting buyers to other platforms for purchases.

Learning About Retatrutide

Retatrutide is an experimental injectable created by American pharmaceutical company Eli Lilly. The drug affects three gut hormones – glucagon-like peptide-1, GIP and glucagon. Early trials indicate it could assist individuals lose up to 25% of their body weight. Referred to as the “triple G”, the substance is being hailed online as the next Ozempic.

Healthcare Professionals Express Concerns

Nevertheless, physicians and pharmacists have cautions that the distribution of what remains an unapproved drug in the United Kingdom is worrisome and could result in individuals injecting products of uncertain source.

Several professionals said the popularity for retatrutide could be linked to the rising price of licensed weight loss products such as Mounjaro.

Legal Status and Enforcement

Marketing the unapproved drug on TikTok or messaging apps is prohibited in the United Kingdom, as it is an unapproved drug that must not be marketed or distributed for personal consumption under the Human Medicines Regulations 2012.

Some influencers try to circumvent the rules by referring to the drug as a “research chemical” or citing it as “not for human consumption”. The substance is not a restricted drug, but promotion and distribution can still violate medicines, advertising, and consumer laws, risking penalties, legal action or imprisonment.

Platform Reaction and Content Elimination

According to the social media company, the service has removed violative content and prohibited related keywords and query recommendations. The company said it was committed to keeping the platform secure and allocating resources in enhancing enforcement strategies.

Digital Marketplace Activities

Research also discovered groups with up to 9,000 members marketing retatrutide using Telegram's built-in search feature, which operates like a online catalog. Typing “retatrutide” immediately brings up channels with numerous of members, populated with photos of slimming results, positive testimonials and step-by-step instructions for mixing or administering at home.

After minutes of entering one group, a seller posted WhatsApp details, where the majority of purchases take place. The seller sent an instruction manual and promised delivery within 48 hours. When asked whether the product was authentic, one seller responded: “You can’t be sure.” Another shared a photo of a supposed laboratory certificate. None inquired about weight, medical conditions or previous experience.

Item Information and Pricing

Inside these groups, messages show dark colored packages with postal service labels, claiming to contain new batches. One communication read: “It took eight of us to load them this morning.”

Buyers can choose between dry substance containers, mixed at home with sterile water, or ready-to-use pens usually sold at £160 for 20mg. When asked how long a injector should be used, sellers give conflicting responses ranging from a few weeks to “depends on your body”.

Platform Oversight and Security Measures

A spokesperson for Telegram said it actively monitored harmful content on its service including material that promoted the “misuse of controlled medications”. The company noted that it removed “millions of pieces of harmful content each day”.

Healthcare Professional Cautions

“Individuals are injecting materials they can’t verify. Although the science behind retatrutide is valid, these online products may not contain what they claim,” said a pharmacy expert, the head of pharmacy at Chemist4U.

A medical professional of Asda Online Doctor connected the surge in demand to recent cost increases for approved weight-loss medications such as Mounjaro. “With costs increasing, individuals are turning to social media. But counterfeit treatments are extremely risky. You can’t be certain what’s inside or whether the environment they were produced in was sterile,” she said.

Her staff has previously encountered patients injured by self-injection from unconfirmed suppliers. “We understand the frustration, but purchasing from Telegram or WhatsApp is gambling with your health,” said Wyllie. “These substances could be contaminated or improperly measured.”

Producer Position

A representative from the pharmaceutical company said retatrutide was in phase 3 clinical trials and had not been reviewed or authorized by any government authority globally. “Therefore at this time no one can sell [it] for personal consumption,” they explained, adding that any product “falsely representing itself as a company investigational substance not yet authorized … may subject patients to possibly serious medical dangers”.

About the author

Elaine Austin

A tech journalist and software developer passionate about AI ethics and digital transformation, with over a decade of industry experience.

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