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Monday, October 12, 2026
Pulse UK Media

TikTok Content Creators Driving Unofficial Market for Unlicensed Slimming Medication

An underground market for unlicensed weight-loss drugs is being driven by TikTok fitness influencers and sellers on messaging platforms, based on new investigations.

Experimental Treatment Acquiring Traction Via Social Media

The experimental drug, which is still in research studies, is being advertised by online personalities for its alleged weight-reducing effects. Followers are encouraged to message these profiles directly for supplier links, while also receiving discount codes.

Active Commerce on Messaging Platforms

Additionally, a flourishing trade exists on messaging services, where communities with thousands of members share comparison photos, administration instructions and claims of next-day British shipping. Sellers promote the substance there before directing customers to other platforms for purchases.

Learning About Retatrutide

Retatrutide is an experimental injectable created by American pharmaceutical company Eli Lilly. The treatment affects three intestinal hormones – glucagon-like peptide-1, GIP and pancreatic hormone. Preliminary studies indicate it could help patients lose up to 25% of their total weight. Nicknamed the “triple G”, the drug is being hailed digitally as the successor to Ozempic.

Healthcare Professionals Voice Concerns

Nevertheless, physicians and pharmacists have warned that the sale of what remains an unlicensed medication in the United Kingdom is a cause for concern and could result in users injecting substances of unknown origin.

Several experts said the popularity for retatrutide could be connected to the increasing cost of approved slimming products such as Mounjaro.

Regulatory Position and Implementation

Marketing retatrutide on TikTok or messaging apps is prohibited in the UK, as it is an unlicensed drug that must not be promoted or supplied for human use under the Human Medicines Regulations 2012.

Some influencers try to sidestep the rules by referring to the drug as a “research chemical” or describing it as “not for human consumption”. Retatrutide is not a controlled drug, but advertising and distribution can still violate medicines, marketing, and consumer regulations, potentially leading to penalties, prosecution or prison.

Platform Reaction and Content Removal

According to TikTok, the platform has taken down problematic material and banned related keywords and query recommendations. The organization said it was dedicated to maintaining the platform safe and investing in enhancing enforcement strategies.

Digital Marketplace Operations

Investigations also found groups with up to 9,000 members selling retatrutide using Telegram's built-in discovery tool, which functions like a online catalog. Entering “retatrutide” instantly brings up groups with numerous of users, populated with images of weight loss, glowing testimonials and step-by-step instructions for preparing or injecting at residence.

Within minutes of entering one community, a vendor shared contact information, where the majority of purchases take place. The seller provided an guidebook and promised delivery within 48 hours. When asked whether the substance was genuine, one vendor responded: “You can’t be sure.” Another shared a image of a supposed laboratory certificate. Not one asked about weight, health issues or previous experience.

Item Details and Costs

Inside these groups, messages display black plastic parcels with Royal Mail labels, claiming to include new batches. One communication read: “It took eight of us to load them this morning.”

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

Service Moderation and Safety Measures

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

Medical Expert Warnings

“People are administering substances they can’t verify. Even if the research behind this drug is valid, these digital products may not include what they claim,” said a pharmacy expert, the head of pharmaceutical services at a pharmacy service.

A medical professional of Asda Online Doctor connected the surge in interest to recent cost increases for authorized weight-loss drugs such as Mounjaro. “With costs increasing, individuals are using online platforms. But fake treatments are extremely dangerous. You can’t be certain what’s contained or whether the conditions they were produced in was clean,” she said.

Her staff has already seen patients harmed by personal administration from unverified suppliers. “We understand the frustration, but purchasing from messaging apps or communication platforms is gambling with your health,” stated the doctor. “These materials could be contaminated or incorrectly dosed.”

Manufacturer Statement

A representative from the pharmaceutical company said retatrutide was in phase 3 clinical trials and had not been evaluated or approved by any government authority globally. “Consequently at this time no one can market [it] for human use,” they explained, adding that any item “misleadingly claiming itself as a Lilly investigational substance not yet authorized … may subject users to possibly serious health risks”.

About the author

Elizabeth Frye

A seasoned journalist with over 15 years covering UK media and technology, specializing in digital transformation and regulatory changes.

Pulse UK Media

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