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Sunday, October 18, 2026
Urban Archive

Social Media Influencers Fueling Parallel Market for Unlicensed Weight-Loss Drug

A shadow market for unlicensed slimming medications is propelled by TikTok fitness influencers and vendors on messaging platforms, based on recent findings.

Investigational Treatment Gaining Traction Via Social Media

Retatrutide, which is still in clinical trials, is being advertised by social media influencers for its supposed weight-reducing properties. Followers are encouraged to contact these accounts directly for source information, while also obtaining promotional offers.

Active Trade on Messaging Platforms

Additionally, a robust market exists on Telegram, where communities with thousands of members share “before and after” images, administration instructions and assertions of next-day UK delivery. Sellers promote the substance there before directing customers to WhatsApp for transactions.

Learning About The Experimental Drug

Retatrutide is an experimental injectable created by US drugmaker Eli Lilly. The drug targets three gut hormones – glucagon-like peptide-1, glucose-dependent insulinotropic polypeptide and glucagon. Preliminary studies suggest it could help individuals reduce up to 25% of their body weight. Nicknamed the “triple G”, the drug is being hailed digitally as the next Ozempic.

Healthcare Professionals Voice Concerns

However, doctors and chemists have cautions that the distribution of what remains an unapproved drug in the UK is worrisome and could result in users injecting substances of uncertain source.

Several professionals stated the popularity for retatrutide could be linked to the increasing price of licensed weight loss treatments such as Mounjaro.

Legal Status and Enforcement

Marketing retatrutide on social media or Telegram is illegal in the UK, as it is an unapproved medication that cannot be marketed or distributed for human use under the British medical regulations.

Some influencers attempt to sidestep the rules by calling to the substance as a “research chemical” or citing it as “not for human consumption”. The substance is not a controlled drug, but promotion and distribution can still violate pharmaceutical, advertising, and customer regulations, risking fines, legal action or prison.

Service Reaction and Material Removal

Based on TikTok, the service has taken down violative material and prohibited associated hashtags and search suggestions. The company stated it was dedicated to keeping the platform safe and allocating resources in enhancing compliance measures.

Online Trading Operations

Research also discovered groups with up to 9,000 members marketing the experimental drug using Telegram's built-in search feature, which operates like a public directory. Entering “retatrutide” instantly brings up channels with thousands of members, filled with images of weight loss, positive testimonials and step-by-step guides for mixing or administering at residence.

Within moments of entering one group, a seller shared WhatsApp details, where most purchases take place. The seller provided an guidebook and guaranteed shipping within two days. When questioned whether the substance was authentic, one vendor said: “You can’t be sure.” Another provided a photo of a supposed testing documentation. Not one inquired about body mass, health issues or previous experience.

Product Information and Pricing

Within these communities, messages show black plastic packages with postal service stickers, claiming to contain new batches. One message stated: “It took eight of us to load them this morning.”

Customers can select between powder vials, mixed at home with purified liquid, or ready-to-use injectors typically sold at £160 for 20mg. When questioned how long a injector should be used, sellers give contradictory answers ranging from a few weeks to “depends on your body”.

Platform Oversight and Safety Actions

A spokesperson for Telegram stated it actively monitored dangerous 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”.

Medical Expert Warnings

“People are administering substances they can’t verify. Even if the science behind retatrutide is valid, these digital versions may not contain what they claim,” said a pharmacy expert, the head of pharmacy at Chemist4U.

A medical professional of Asda Online Doctor linked the surge in demand to recent price rises for approved slimming drugs such as Mounjaro. “With prices rising, patients are turning to social media. But counterfeit treatments are highly dangerous. You can’t be certain what’s inside or whether the conditions they were produced in was sterile,” she said.

Her staff has previously encountered individuals harmed by self-injection from unconfirmed sources. “We recognize the disappointment, but purchasing from Telegram or communication platforms is taking chances with your well-being,” said the doctor. “These materials could be contaminated or improperly measured.”

Producer Statement

A spokesperson from Eli Lilly stated the substance was in third stage clinical trials and had not been evaluated or approved by any government authority anywhere in the world. “Therefore at this point no one can sell [it] for human use,” they explained, noting that any product “misleadingly claiming itself as a company investigational product not yet approved … may subject users to potentially serious health risks”.

About the author

Stacie Chung

Elena is a historian and urban photographer with over a decade of experience documenting city transformations and cultural heritage.

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