An underground economy for unapproved weight-loss drugs is propelled by TikTok fitness influencers and vendors on messaging platforms, according to recent findings.
Retatrutide, which remains in clinical trials, is being advertised by online personalities for its supposed weight-reducing properties. Followers are urged to message these accounts privately for supplier links, while also receiving discount codes.
Additionally, a flourishing trade exists on messaging services, where communities with thousands of members share “before and after” photos, administration instructions and claims of rapid British shipping. Sellers market the substance there before redirecting buyers to other platforms for transactions.
This medication is an experimental injectable developed by American pharmaceutical company Eli Lilly. The treatment targets three gut hormones – GLP-1, GIP and glucagon. Preliminary studies suggest it could assist patients lose up to a quarter of their body weight. Referred to as the “triple G”, the drug is being promoted online as the next Ozempic.
Nevertheless, doctors and chemists have cautions that the sale of what is still an unapproved drug in the UK is a cause for concern and could result in individuals injecting substances of uncertain source.
Several professionals said the popularity for retatrutide could be linked to the rising cost of approved weight loss treatments such as Mounjaro.
Selling retatrutide on TikTok or Telegram is illegal in the United Kingdom, as it is an unlicensed medication that cannot be promoted or supplied for human use under the Human Medicines Regulations 2012.
Several influencers attempt to circumvent 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 supply can still violate medicines, advertising, and consumer regulations, risking fines, legal action or imprisonment.
Based on TikTok, the platform has taken down violative material and prohibited related hashtags and query recommendations. The company said it was dedicated to keeping the platform secure and allocating resources in enhancing enforcement strategies.
Investigations also found communities with up to 9,000 members selling retatrutide using Telegram's built-in discovery tool, which functions like a online catalog. Entering “retatrutide” instantly displays groups with thousands of users, filled with photos of weight loss, positive testimonials and step-by-step instructions for mixing or administering at home.
Within moments of joining one community, a vendor posted contact information, where most transactions occur. The seller provided an guidebook and guaranteed delivery within 48 hours. When questioned whether the product was authentic, one seller said: “You can’t be sure.” Another shared a image of a alleged testing documentation. None asked about weight, health issues or past usage.
Within these groups, posts show black plastic packages with Royal Mail stickers, claiming to contain fresh supplies. One communication stated: “It took eight of us to load them this morning.”
Customers can choose between dry substance containers, prepared at home with purified liquid, or pre-filled injectors usually sold at 160 pounds for 20mg. When questioned how long a pen should last, vendors give conflicting answers varying between a several days to “depends on your body”.
A representative for Telegram said it regularly moderated harmful material on its service including material that promoted the “misuse of controlled medications”. The company noted that it removed “millions of pieces of harmful content each day”.
“People are administering materials they can’t verify. Although the research behind this drug is valid, these online products may not contain what they claim,” said Jason Murphy, the director of pharmacy at a pharmacy service.
A medical professional of Asda Online Doctor connected the increase in interest to recent cost increases for approved slimming drugs such as Mounjaro. “With prices increasing, individuals are using social media. But counterfeit treatments are highly risky. You can’t be certain what’s inside or whether the environment they were made in was sterile,” she explained.
Her team has already encountered patients harmed by personal administration from unverified sources. “We recognize the frustration, but purchasing from Telegram or communication platforms is taking chances with your health,” said the doctor. “These materials could be contaminated or incorrectly dosed.”
A spokesperson from Eli Lilly said the substance was in third stage clinical trials and had not been reviewed or authorized by any government authority globally. “Consequently at this point no one can market [it] for personal consumption,” they said, adding that any product “misleadingly claiming itself as a company investigational product not yet approved … may subject users to potentially significant medical dangers”.
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