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Sunday, October 11, 2026
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Social Media Influencers Driving Parallel Trade for Unlicensed Weight-Loss Drug

An underground economy for unlicensed weight-loss drugs is propelled by TikTok fitness influencers and sellers on communication apps, based on new investigations.

Experimental Drug Acquiring Traction Via Social Media

Retatrutide, which is still in clinical trials, is being advertised by social media influencers for its alleged fat-burning properties. Viewers are urged to message these accounts directly for supplier links, while also receiving promotional offers.

Thriving Trade on Messaging Platforms

Separately, a robust trade exists on messaging services, where groups with thousands of members share comparison photos, injection guides and assertions of next-day British shipping. Sellers promote the drug there before directing buyers to WhatsApp for transactions.

Understanding The Experimental Drug

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

Healthcare Professionals Voice Concerns

However, physicians and pharmacists have cautions that the sale of what is still an unlicensed drug in the United Kingdom is worrisome and could result in individuals administering substances of unknown origin.

Several professionals stated the demand for the experimental drug could be linked to the rising cost of approved slimming products such as Mounjaro.

Regulatory Position and Enforcement

Marketing the unapproved drug on TikTok or Telegram is prohibited in the United Kingdom, as it is an unapproved drug that must not be marketed or supplied for human use under the Human Medicines Regulations 2012.

Some influencers try to circumvent the rules by calling to the substance 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 pharmaceutical, marketing, and customer regulations, potentially leading to fines, legal action or imprisonment.

Service Reaction and Material Removal

According to the social media company, the platform has removed violative content and banned related hashtags and search suggestions. The company said it was committed to keeping the service secure and allocating resources in strengthening compliance measures.

Online Trading Activities

Investigations also discovered groups with up to nine thousand participants marketing the experimental drug using the platform's built-in discovery tool, which operates like a online catalog. Entering “retatrutide” immediately brings up groups with thousands of users, populated with images of weight loss, glowing testimonials and detailed instructions for preparing or injecting at home.

Within minutes of joining one group, a vendor shared contact information, where most purchases occur. The seller provided an guidebook and guaranteed shipping within two days. When asked whether the substance was authentic, one vendor said: “You can’t be sure.” Another provided a image of a supposed testing documentation. None inquired about body mass, medical conditions or past usage.

Product Details and Pricing

Inside these groups, posts display dark colored packages with postal service labels, stating to contain fresh supplies. One communication stated: “It took eight of us to load them this morning.”

Buyers can choose between powder vials, prepared at home with purified liquid, or pre-filled pens typically sold at 160 pounds for 20mg. When asked how much time a pen should be used, sellers give contradictory answers varying between a several days to “depends on your body”.

Service Moderation and Security Actions

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

Healthcare Expert Warnings

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

Dr Crystal Wyllie of an online medical service linked the increase in demand to recent cost increases for authorized weight-loss drugs such as Mounjaro. “With prices rising, patients are turning to online platforms. But counterfeit injections are highly risky. You cannot know what’s contained or whether the conditions they were made in was clean,” she explained.

Her staff has previously seen patients harmed by self-injection from unconfirmed sources. “We recognize the frustration, but buying from messaging apps or WhatsApp is gambling with your health,” said the doctor. “These substances could be impure or improperly measured.”

Producer Statement

A representative from Eli Lilly said the substance was in phase 3 research studies and had not been evaluated or approved by any government authority anywhere in the world. “Therefore at this time no one can market [it] for personal consumption,” they said, adding that any product “misleadingly claiming itself as a Lilly experimental substance not yet approved … may subject users to potentially significant medical dangers”.

JW
By

Joseph Wright

A venture capitalist and tech analyst specializing in UK startup ecosystems, with over a decade of experience in early-stage investments.

Neon Ventures

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