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An underground market for unapproved slimming drugs is being driven by TikTok fitness influencers and sellers on messaging platforms, based on recent findings.

Investigational Drug Gaining Traction Via Social Media

Retatrutide, which remains in clinical trials, is being advertised by online personalities for its supposed weight-reducing effects. Viewers are urged to message these accounts privately for source information, while also obtaining discount codes.

Active Trade on Social Networks

Separately, a robust trade exists on Telegram, where groups with thousands of members share comparison photos, injection guides and claims of rapid British shipping. Sellers market the drug there before directing buyers to other platforms for transactions.

Understanding Retatrutide

Retatrutide is an experimental injection developed by American pharmaceutical company Eli Lilly. The treatment targets three gut hormones – glucagon-like peptide-1, GIP and pancreatic hormone. Early trials suggest it could help individuals lose up to a quarter of their total weight. Nicknamed the “triple G”, the drug is being promoted online as the successor to Ozempic.

Medical Professionals Express Concerns

However, doctors and pharmacists have cautions that the sale of what remains an unapproved drug in the United Kingdom is a cause for concern and could lead to users injecting products of unknown origin.

Several experts stated the demand for retatrutide could be linked to the increasing cost of approved slimming products such as Mounjaro.

Regulatory Status and Implementation

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

Several influencers attempt to sidestep the regulations by calling 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 breach pharmaceutical, advertising, and consumer regulations, potentially leading to fines, prosecution or prison.

Service Reaction and Material Removal

Based on the social media company, the service has taken down violative content and prohibited associated hashtags and search suggestions. The company stated it was dedicated to keeping the service safe and allocating resources in strengthening enforcement strategies.

Digital Marketplace Activities

Research also found groups with up to 9,000 participants marketing the experimental drug using Telegram's integrated search feature, which functions like a online catalog. Entering “retatrutide” instantly brings up groups with thousands of members, filled with images of weight loss, glowing reviews and detailed instructions for mixing or administering at home.

Within minutes of joining one group, a seller shared contact information, where most transactions occur. The seller provided an guidebook and promised delivery within two days. When questioned whether the product was genuine, one seller responded: “You can’t be sure.” Another shared a photo of a alleged laboratory certificate. Not one inquired about body mass, health issues or past usage.

Item Information and Costs

Inside these communities, posts show dark colored packages with postal service labels, claiming to contain new batches. One communication read: “It took eight of us to load them this morning.”

Customers can choose between dry substance containers, prepared at home with purified liquid, or ready-to-use injectors usually sold at 160 pounds for 20 milligrams. When asked how long a pen should be used, vendors give conflicting answers ranging from a few weeks to “depends on your body”.

Service Oversight and Safety Actions

A spokesperson for the messaging service stated it regularly 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”.

Medical Professional Warnings

“People are injecting materials they cannot confirm. Even if the research behind retatrutide is sound, these online products may not contain what they advertise,” said a pharmacy expert, the director of pharmaceutical services at Chemist4U.

Dr Crystal Wyllie of Asda Online Doctor connected the surge in demand to recent cost increases for approved slimming drugs such as Mounjaro. “With costs increasing, individuals are using social media. But counterfeit injections are highly dangerous. You cannot know what’s contained or whether the conditions they were produced in was clean,” she explained.

Her team has previously seen patients injured by self-injection from unconfirmed sources. “We understand the frustration, but buying from messaging apps or WhatsApp is gambling with your well-being,” stated Wyllie. “These materials could be contaminated or incorrectly dosed.”

Manufacturer Position

A spokesperson from the pharmaceutical company stated retatrutide was in third stage clinical trials and had not been reviewed or authorized 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 “falsely representing itself as a company investigational substance not yet approved … may expose patients to potentially significant medical dangers”.