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Thursday, October 8, 2026
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TikTok Influencers Driving Unofficial Trade for Unapproved Weight-Loss Medication

An underground market for unlicensed slimming drugs is being driven by social media fitness personalities and vendors on messaging platforms, according to recent findings.

Experimental Treatment Acquiring Popularity Via Social Media

Retatrutide, which remains in clinical trials, is being advertised by social media influencers for its alleged fat-burning effects. Viewers are urged to contact these accounts privately for supplier links, while also obtaining promotional offers.

Active Trade on Social Networks

Additionally, a flourishing trade exists on Telegram, where communities with thousands of participants share comparison photos, injection guides and claims of rapid UK delivery. Vendors promote the substance there before redirecting buyers to WhatsApp for purchases.

Learning About The Experimental Drug

This medication is an investigational injection created by US drugmaker Eli Lilly. The treatment targets three intestinal hormones – glucagon-like peptide-1, GIP and pancreatic hormone. Preliminary studies suggest it could help patients lose up to 25% of their body weight. Referred to as the “triple G”, the drug is being promoted online as the successor to Ozempic.

Medical Professionals Express Worries

However, physicians and chemists have warned that the distribution of what remains an unlicensed drug in the UK is worrisome and could lead to users administering substances of uncertain source.

Several experts stated the popularity for the experimental drug could be connected to the rising price of licensed slimming products such as Mounjaro.

Regulatory Position and Enforcement

Marketing retatrutide on TikTok or messaging apps is illegal in the UK, as it is an unlicensed drug that cannot be marketed or distributed for personal consumption under the British medical regulations.

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 restricted substance, but promotion and supply can still violate pharmaceutical, marketing, and customer regulations, risking penalties, prosecution or imprisonment.

Service Response and Content Removal

Based on TikTok, the service has taken down violative content and banned related keywords and query recommendations. The organization stated it was committed to maintaining the platform safe and allocating resources in strengthening enforcement strategies.

Digital Trading Operations

Research also discovered communities with up to nine thousand participants selling retatrutide using Telegram's built-in discovery tool, which operates like a public directory. Entering “retatrutide” immediately brings up channels with numerous of members, populated with photos of weight loss, positive reviews and step-by-step guides for preparing or administering at residence.

Within moments of entering one community, a seller shared WhatsApp details, where the majority of purchases take place. The seller sent an instruction manual and guaranteed delivery within 48 hours. When questioned whether the substance was genuine, one seller responded: “You can’t be sure.” Another shared a image of a alleged testing documentation. Not one inquired about weight, health issues or past usage.

Item Details and Pricing

Within these groups, messages show dark colored packages with Royal Mail labels, claiming to include fresh supplies. One message stated: “It took eight of us to load them this morning.”

Customers can choose between dry substance containers, prepared at residence with purified liquid, or ready-to-use injectors typically priced at 160 pounds for 20mg. When questioned how much time a pen should last, vendors give contradictory responses ranging from a several days to “depends on your body”.

Platform Oversight and Security Measures

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

Healthcare Professional Warnings

“People are administering substances they can’t verify. Even if the science behind this drug is valid, these digital versions may not include what they advertise,” stated Jason Murphy, the director of pharmacy at a pharmacy service.

Dr Crystal Wyllie of an online medical service linked the increase in demand to current cost increases for approved weight-loss drugs such as Mounjaro. “With costs rising, individuals are using social media. But counterfeit treatments are highly dangerous. You can’t be certain what’s inside or whether the environment they were made in was clean,” she said.

Her team has previously encountered patients injured by self-injection from unverified suppliers. “We recognize the frustration, but purchasing from Telegram or WhatsApp is taking chances with your well-being,” said Wyllie. “These materials could be contaminated or improperly measured.”

Manufacturer Position

A representative from the pharmaceutical company said retatrutide was in third stage clinical trials and had not been evaluated or approved by any regulatory agency globally. “Consequently at this time no one can market [it] for personal consumption,” they explained, noting that any product “falsely representing itself as a Lilly experimental product not yet authorized … may expose patients to possibly serious health risks”.

CB
The writer

Christine Brewer

A tech journalist specializing in UK digital ecosystems, with over a decade of experience covering innovation and startup culture.

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