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Monday, October 12, 2026
Tech Insights Blog

TikTok Influencers Driving Parallel Trade for Unapproved Slimming Medication

An underground market for unapproved slimming medications is being driven by social media fitness personalities and sellers on communication apps, based on recent findings.

Experimental Treatment Gaining Popularity Online

Retatrutide, which remains in clinical trials, is being advertised by online personalities for its supposed weight-reducing properties. Viewers are urged to contact these profiles privately for supplier links, while also obtaining promotional offers.

Thriving Trade on Messaging Platforms

Separately, a flourishing trade exists on Telegram, where groups with thousands of members share comparison photos, administration instructions and claims of rapid UK delivery. Sellers promote the drug there before directing buyers to other platforms for purchases.

Understanding The Experimental Drug

Retatrutide is an investigational injectable developed by US drugmaker Eli Lilly. The drug affects three gut hormones – GLP-1, glucose-dependent insulinotropic polypeptide and glucagon. Preliminary studies indicate it could assist individuals lose up to a quarter of their total weight. Nicknamed the “triple G”, the drug is being promoted digitally as the next Ozempic.

Medical Experts Voice Concerns

Nevertheless, doctors and chemists have cautions that the sale of what remains an unapproved drug in the United Kingdom is a cause for concern and could result in individuals injecting products of uncertain source.

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

Regulatory Position and Implementation

Marketing retatrutide on social media or messaging apps is illegal in the UK, as it is an unapproved drug that must not be promoted or distributed for human use under the British medical regulations.

Some content creators attempt to circumvent the regulations by referring to the substance as a “research chemical” or describing it as “not for human consumption”. The substance is not a controlled substance, but promotion and supply can still violate pharmaceutical, advertising, and consumer regulations, potentially leading to fines, prosecution or prison.

Platform Response and Content Elimination

Based on TikTok, the platform has removed violative content and banned associated hashtags and query recommendations. The company said it was committed to maintaining the platform secure and investing in enhancing compliance measures.

Online Trading Operations

Research also discovered groups with up to nine thousand participants marketing retatrutide using the platform's built-in discovery tool, which functions like a public directory. Typing “retatrutide” instantly displays groups with thousands of members, populated with photos of slimming results, glowing reviews and detailed instructions for mixing or administering at home.

Within minutes of entering one group, a seller shared contact information, where most transactions occur. The vendor sent an guidebook and guaranteed shipping within two days. When asked whether the substance was authentic, one seller responded: “You can’t be sure.” Another provided a photo of a supposed laboratory certificate. Not one asked about body mass, medical conditions or previous experience.

Product Details and Costs

Within these communities, messages display dark colored parcels with postal service stickers, stating to contain new batches. One message stated: “It took eight of us to load them this morning.”

Buyers can choose between dry substance containers, mixed at residence with purified liquid, or ready-to-use injectors usually sold at £160 for 20 milligrams. When asked how long a injector should last, sellers give contradictory responses varying between a few weeks to “depends on your body”.

Platform Moderation and Safety Actions

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

Healthcare Expert Warnings

“People are injecting materials they cannot confirm. Although the science behind this drug is valid, these online products may not include what they claim,” said a pharmacy expert, the director of pharmacy at a pharmacy service.

A medical professional of Asda Online Doctor connected the increase in demand to current cost increases for approved slimming medications such as Mounjaro. “With prices rising, individuals are using online platforms. But counterfeit treatments are highly dangerous. You cannot know what’s inside or whether the conditions they were produced in was sterile,” she said.

Her team has already encountered individuals harmed by self-injection from unverified suppliers. “We recognize the disappointment, but purchasing from messaging apps or communication platforms is gambling with your well-being,” said Wyllie. “These substances could be impure or incorrectly dosed.”

Producer Position

A representative from the pharmaceutical company said the substance was in phase 3 clinical trials and had not been reviewed or approved by any government authority anywhere in the world. “Therefore at this point no one can sell [it] for personal consumption,” they said, noting that any item “misleadingly claiming itself as a Lilly investigational product not yet approved … may expose users to possibly serious health risks”.

The writer

Amanda Hart

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

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