A shadow economy for unapproved weight-loss drugs is being driven by TikTok fitness influencers and vendors on communication apps, based on recent findings.
The experimental drug, which is still in clinical trials, is being promoted by online personalities for its supposed weight-reducing effects. Followers are encouraged to message these profiles directly for source information, while also receiving promotional offers.
Separately, a flourishing trade exists on messaging services, where groups with numerous of participants share comparison images, administration instructions and claims of rapid UK delivery. Vendors market the drug there before redirecting buyers to other platforms for transactions.
This medication is an investigational injection created by American pharmaceutical company Eli Lilly. The treatment affects three intestinal hormones – glucagon-like peptide-1, glucose-dependent insulinotropic polypeptide and glucagon. Early trials indicate it could assist patients reduce up to 25% of their total weight. Nicknamed the “triple G”, the substance is being promoted digitally as the successor to Ozempic.
Nevertheless, doctors and chemists have warned that the distribution of what is still an unapproved drug in the UK is a cause for concern and could lead to users administering products of uncertain source.
Several experts said the popularity for retatrutide could be linked to the increasing cost of licensed weight loss treatments such as Mounjaro.
Marketing retatrutide on social media or Telegram is illegal in the UK, as it is an unlicensed medication that cannot be promoted or supplied for personal consumption under the Human Medicines Regulations 2012.
Several influencers try to sidestep the regulations by calling to the drug as a “research chemical” or citing it as “not for human consumption”. Retatrutide is not a controlled substance, but advertising and supply can still breach medicines, advertising, and consumer regulations, risking penalties, prosecution or imprisonment.
According to the social media company, the platform has removed violative content and prohibited related keywords and search suggestions. The organization said it was committed to maintaining the service secure and allocating resources in strengthening compliance measures.
Research also discovered groups with up to nine thousand participants selling the experimental drug using the platform's integrated discovery tool, which functions like a online catalog. Entering “retatrutide” immediately displays channels with thousands of members, populated with photos of slimming results, positive testimonials and step-by-step guides for preparing or administering at residence.
After moments of entering one group, a seller shared contact information, where the majority of purchases take place. The seller sent an guidebook and promised delivery within two days. When questioned whether the product was genuine, one vendor said: “You can’t be sure.” Another shared a photo of a alleged testing documentation. Not one asked about weight, health issues or previous experience.
Within these communities, messages display black plastic packages with Royal Mail labels, claiming to include fresh supplies. One message read: “It took eight of us to load them this morning.”
Buyers can choose between dry substance containers, prepared at residence with sterile water, or pre-filled pens typically priced at £160 for 20mg. When asked how much time a injector should last, sellers give conflicting answers ranging from a few weeks to “depends on your body”.
A representative for Telegram stated it actively moderated harmful content on its platform including material that promoted the “misuse of controlled medications”. The organization noted that it eliminated “millions of pieces of harmful content each day”.
“People are injecting materials they can’t verify. Even if the science behind retatrutide is sound, these digital versions may not include what they advertise,” said Jason Murphy, the director of pharmacy at Chemist4U.
Dr Crystal Wyllie of an online medical service linked the increase in demand to current price rises for approved slimming medications such as Mounjaro. “With prices rising, individuals are turning to online platforms. But counterfeit injections are highly dangerous. You can’t be certain what’s inside or whether the environment they were made in was sterile,” she said.
Her team has previously encountered individuals harmed by personal administration from unverified suppliers. “We recognize the frustration, but purchasing from Telegram or WhatsApp is taking chances with your well-being,” said Wyllie. “These substances could be impure or improperly measured.”
A representative from the pharmaceutical company said retatrutide was in phase 3 clinical trials and had not been reviewed or approved by any regulatory agency anywhere in the world. “Therefore at this time no one can market [it] for personal consumption,” they said, adding that any item “falsely representing itself as a Lilly investigational substance not yet approved … may expose users to possibly serious medical dangers”.
Cybersecurity analyst and tech writer with over a decade of experience in digital forensics and data privacy advocacy across Europe.