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Thursday, October 8, 2026
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Social Media Influencers Fueling Parallel Market for Unapproved Slimming Drug

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 Treatment Acquiring Traction Via Social Media

The experimental drug, which is still in research studies, is being promoted by social media influencers for its supposed weight-reducing properties. Viewers are encouraged to message these accounts directly for source information, while also obtaining discount codes.

Active Trade on Social Networks

Additionally, a flourishing market exists on messaging services, where communities with thousands of members share “before and after” images, injection guides and claims of rapid UK delivery. Sellers market the substance there before directing customers to other platforms for transactions.

Understanding Retatrutide

Retatrutide is an investigational injectable developed by American pharmaceutical company Eli Lilly. The treatment targets three intestinal hormones – GLP-1, GIP and pancreatic hormone. Preliminary studies indicate it could assist individuals reduce up to 25% of their total weight. Referred to as the “triple G”, the substance is being promoted digitally as the next Ozempic.

Medical Experts Express Worries

However, doctors and chemists have warned that the distribution of what is still an unlicensed drug in the UK is worrisome and could result in users administering products of unknown origin.

Some experts stated the popularity for retatrutide could be linked to the increasing cost of licensed weight loss products such as Mounjaro.

Regulatory Position and Enforcement

Selling the unapproved drug on TikTok or Telegram is illegal in the United Kingdom, as it is an unlicensed drug that must not be promoted or distributed for human use under the British medical regulations.

Some influencers attempt to sidestep 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 substance, but advertising and supply can still breach medicines, marketing, and consumer regulations, potentially leading to fines, legal action or prison.

Service Response and Content Removal

According to the social media company, the platform has taken down problematic content and banned related hashtags and search suggestions. The company stated it was committed to maintaining the service secure and investing in strengthening compliance measures.

Digital Marketplace Operations

Research also discovered groups with up to nine thousand members marketing the experimental drug using Telegram's integrated search feature, which operates like a public directory. Typing “retatrutide” immediately brings up groups with numerous of users, populated with photos of slimming results, positive reviews and step-by-step guides for mixing or administering at home.

Within minutes of entering one group, a vendor shared WhatsApp details, where the majority of transactions occur. The seller sent an guidebook and guaranteed delivery within 48 hours. When asked whether the product was authentic, one vendor said: “You can’t be sure.” Another provided a photo of a alleged laboratory certificate. Not one inquired about body mass, health issues or past usage.

Item Information and Pricing

Within these groups, messages display black plastic packages with postal service stickers, claiming to include fresh supplies. One communication stated: “It took eight of us to load them this morning.”

Customers can choose between powder vials, mixed at home with purified liquid, or pre-filled injectors usually priced at 160 pounds for 20 milligrams. When questioned how much time a pen should last, vendors give conflicting responses ranging from a several days to “depends on your body”.

Platform Moderation and Security Measures

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

Medical Professional Warnings

“People are injecting substances they cannot confirm. Even if the research behind this drug is sound, these digital versions may not contain what they claim,” said Jason Murphy, the head of pharmaceutical services at Chemist4U.

Dr Crystal Wyllie of Asda Online Doctor connected the increase in interest to recent price rises for authorized slimming drugs such as Mounjaro. “With costs increasing, patients are turning to online platforms. But fake treatments are extremely dangerous. You cannot know what’s contained or whether the conditions they were produced in was clean,” she said.

Her staff has already encountered patients harmed by self-injection from unconfirmed sources. “We understand the disappointment, but buying from messaging apps or communication platforms is taking chances with your well-being,” said Wyllie. “These substances could be contaminated or improperly measured.”

Producer Position

A representative from Eli Lilly said retatrutide was in phase 3 research studies and had not been reviewed or authorized by any regulatory agency anywhere in the world. “Consequently at this point no one can sell [it] for human use,” they said, noting that any product “misleadingly claiming itself as a company investigational substance not yet authorized … may expose users to possibly serious medical dangers”.

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The writer

Daniel Marsh

Clara is a personal finance enthusiast and writer with over a decade of experience helping people manage their money better.

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