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Monday, October 12, 2026
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Social Media Influencers Fueling Parallel Trade for Unapproved Slimming Medication

An underground market for unapproved slimming drugs is propelled by TikTok fitness influencers and sellers on communication apps, according to new investigations.

Experimental Treatment Acquiring Popularity Via Social Media

Retatrutide, which is still in research studies, is being promoted by online personalities for its alleged fat-burning effects. Followers are encouraged to contact these accounts directly for source information, while also receiving promotional offers.

Active Trade on Messaging Platforms

Separately, a robust market exists on Telegram, where groups with thousands of members share comparison images, administration instructions and claims of next-day British shipping. Vendors market the substance there before redirecting buyers to WhatsApp for purchases.

Learning About Retatrutide

Retatrutide is an investigational injectable created by US drugmaker Eli Lilly. The drug affects three intestinal hormones – GLP-1, glucose-dependent insulinotropic polypeptide and pancreatic hormone. Early trials indicate it could assist patients reduce up to a quarter of their total weight. Nicknamed the “triple G”, the drug is being promoted online as the next Ozempic.

Healthcare Professionals Express Worries

However, doctors and pharmacists have warned that the distribution of what is still an unapproved medication in the United Kingdom is a cause for concern and could lead to users injecting substances of unknown origin.

Some experts said the demand for retatrutide could be linked to the rising cost of approved slimming treatments such as Mounjaro.

Regulatory Status and Enforcement

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

Several influencers attempt to circumvent the regulations by calling to the drug as a “research chemical” or citing it as “not for human consumption”. The substance is not a controlled drug, but advertising and supply can still breach medicines, marketing, and customer laws, potentially leading to penalties, prosecution or imprisonment.

Platform Reaction and Content Elimination

Based on TikTok, the platform has removed violative content and prohibited related hashtags and query recommendations. The organization stated it was dedicated to maintaining the service safe and allocating resources in enhancing compliance measures.

Digital Marketplace Operations

Research also discovered communities with up to nine thousand participants marketing retatrutide using the platform's integrated discovery tool, which operates like a public directory. Typing “retatrutide” instantly brings up groups with thousands of users, filled with images of weight loss, positive reviews and detailed guides for mixing or injecting at home.

Within minutes of joining one community, a vendor shared WhatsApp details, where the majority of transactions take place. The vendor provided an instruction manual and promised shipping within 48 hours. When questioned whether the product was genuine, one vendor responded: “You can’t be sure.” Another shared a photo of a supposed laboratory certificate. Not one inquired about weight, health issues or past usage.

Product Information and Costs

Inside these groups, posts show black plastic parcels with Royal Mail labels, stating to contain new batches. One message stated: “It took eight of us to load them this morning.”

Customers can choose between dry substance containers, mixed at home with sterile water, or pre-filled pens usually priced at £160 for 20 milligrams. When asked how much time a pen should last, sellers give contradictory answers varying between a several days to “depends on your body”.

Platform Oversight and Safety Actions

A spokesperson for Telegram stated it actively moderated harmful content on its service including content that encouraged the “misuse of controlled medications”. The company noted that it eliminated “millions of pieces of harmful content each day”.

Healthcare Expert Cautions

“Individuals are administering substances they can’t verify. Although the research behind this drug is sound, these digital versions may not contain what they advertise,” stated Jason Murphy, the director of pharmaceutical services at a pharmacy service.

A medical professional of an online medical service linked the surge in demand to current cost increases for authorized weight-loss medications such as Mounjaro. “With prices increasing, individuals are turning to online platforms. But counterfeit treatments are highly risky. You cannot know what’s contained or whether the conditions they were produced in was clean,” she explained.

Her team has already seen individuals injured by personal administration from unconfirmed sources. “We understand the disappointment, but purchasing from messaging apps or communication platforms is taking chances with your health,” stated the doctor. “These materials could be impure or improperly measured.”

Manufacturer Statement

A spokesperson from the pharmaceutical company said retatrutide was in phase 3 research studies and had not been reviewed or authorized by any regulatory agency anywhere in the world. “Therefore at this time no one can market [it] for human use,” they explained, adding that any item “falsely representing itself as a company experimental product not yet approved … may expose patients to potentially serious health risks”.

About the author

Anne Taylor

A tech journalist and digital strategist with over a decade of experience covering emerging technologies and their impact on society.

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