An underground economy for unlicensed weight-loss medications is propelled by TikTok fitness influencers and sellers on communication apps, based on recent findings.
Retatrutide, which remains in clinical trials, is being promoted by social media influencers for its alleged weight-reducing properties. Viewers are urged to message these accounts privately for source information, while also receiving promotional offers.
Additionally, a robust market exists on messaging services, where groups with thousands of members share “before and after” images, injection guides and assertions of next-day British shipping. Vendors market the substance there before redirecting customers to WhatsApp for transactions.
This medication is an investigational injectable created by US drugmaker Eli Lilly. The drug targets three intestinal hormones – GLP-1, glucose-dependent insulinotropic polypeptide and pancreatic hormone. Preliminary studies indicate it could help individuals lose up to 25% of their total weight. Nicknamed the “triple G”, the drug is being promoted online as the next Ozempic.
Nevertheless, doctors and pharmacists have cautions that the sale of what is still an unapproved drug in the United Kingdom is worrisome and could lead to individuals injecting products of unknown origin.
Some experts stated the popularity for retatrutide could be connected to the increasing cost of licensed weight loss products such as Mounjaro.
Marketing the unapproved drug on TikTok or messaging apps is prohibited in the United Kingdom, as it is an unapproved drug that cannot be promoted or distributed for human use under the British medical regulations.
Several influencers attempt to sidestep the rules by calling to the substance as a “research chemical” or describing it as “not for human consumption”. The substance is not a restricted drug, but advertising and supply can still violate medicines, marketing, and consumer laws, risking penalties, prosecution or prison.
Based on TikTok, the platform has removed problematic material and banned associated keywords and query recommendations. The organization stated it was committed to maintaining the platform safe and allocating resources in enhancing compliance measures.
Investigations also found groups with up to nine thousand members selling the experimental drug using the platform's built-in discovery tool, which operates like a public directory. Entering “retatrutide” instantly brings up channels with thousands of members, filled with photos of slimming results, positive reviews and detailed instructions for mixing or administering at residence.
After minutes of joining one group, a vendor posted WhatsApp details, where the majority of transactions occur. The seller provided an instruction manual and guaranteed shipping within two days. When asked whether the substance was genuine, one vendor responded: “You can’t be sure.” Another shared a photo of a supposed testing documentation. None asked about weight, health issues or past usage.
Within these communities, posts display black plastic packages with Royal Mail stickers, stating to contain new batches. One communication stated: “It took eight of us to load them this morning.”
Buyers can choose between dry substance containers, mixed at home with purified liquid, or pre-filled injectors typically sold at 160 pounds for 20 milligrams. When asked how much time a pen should be used, sellers give contradictory answers varying between a several days to “depends on your body”.
A representative for the messaging service stated it actively monitored harmful material on its platform including material that encouraged the “misuse of controlled medications”. The organization added that it removed “millions of pieces of harmful content each day”.
“People are administering materials they cannot confirm. Although the research behind retatrutide is sound, these digital versions may not include what they claim,” stated a pharmacy expert, the head of pharmaceutical services at Chemist4U.
Dr Crystal Wyllie of Asda Online Doctor connected the surge in demand to recent price rises for approved slimming medications such as Mounjaro. “With costs increasing, individuals are using social media. But counterfeit treatments are highly dangerous. You can’t be certain what’s inside or whether the conditions they were made in was sterile,” she explained.
Her team has previously encountered individuals injured by personal administration from unverified sources. “We recognize the disappointment, but buying from messaging apps or communication platforms is taking chances with your well-being,” said Wyllie. “These substances could be contaminated or improperly measured.”
A representative from the pharmaceutical company stated retatrutide was in third stage clinical trials and had not been reviewed or authorized by any regulatory agency anywhere in the world. “Consequently at this point no one can sell [it] for human use,” they said, noting that any product “misleadingly claiming itself as a company investigational product not yet approved … may expose users to potentially serious medical dangers”.
Lucas van der Meer is a digital strategist focused on empowering local economies with technology-driven market solutions.