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Thursday, October 15, 2026
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Social Media Influencers Fueling Unofficial Market for Unapproved Slimming Drug

An underground market for unlicensed weight-loss drugs is being driven by TikTok fitness influencers and sellers on communication apps, according to recent findings.

Investigational Drug Gaining Traction Via Social Media

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

Active Trade on Social Networks

Additionally, a robust trade exists on messaging services, where communities with thousands of participants share comparison photos, injection guides and assertions of next-day British shipping. Sellers promote the substance there before redirecting customers to WhatsApp for purchases.

Understanding Retatrutide

Retatrutide is an experimental injection developed by US drugmaker Eli Lilly. The drug targets three intestinal hormones – glucagon-like peptide-1, glucose-dependent insulinotropic polypeptide and glucagon. Early trials indicate it could assist patients lose up to 25% of their body weight. Referred to as the “triple G”, the substance is being promoted online as the successor to Ozempic.

Healthcare Professionals Express Concerns

However, physicians and pharmacists have cautions that the sale of what remains an unapproved drug in the United Kingdom is worrisome and could result in users administering substances of uncertain source.

Several experts stated the demand for retatrutide could be connected to the rising cost of approved slimming treatments such as Mounjaro.

Legal Position and Enforcement

Marketing the unapproved drug on social media or Telegram is prohibited in the United Kingdom, as it is an unlicensed drug that cannot be promoted or distributed for human use under the British medical regulations.

Some content creators try to sidestep the regulations by referring to the drug as a “research chemical” or citing it as “not for human consumption”. The substance is not a restricted drug, but advertising and distribution can still violate medicines, advertising, and customer laws, risking penalties, prosecution or prison.

Platform Reaction and Content Elimination

According to TikTok, the platform has removed problematic material and prohibited associated keywords and search suggestions. The organization stated it was committed to maintaining the platform secure and investing in enhancing enforcement strategies.

Online Marketplace Activities

Investigations also found communities with up to nine thousand participants marketing the experimental drug using Telegram's integrated search feature, which functions like a online catalog. Typing “retatrutide” instantly displays groups with numerous of members, filled with images of slimming results, glowing reviews and step-by-step guides for preparing or injecting at home.

Within minutes of joining one community, a vendor shared WhatsApp details, where the majority of transactions occur. The vendor provided an instruction manual and promised delivery within two days. When asked whether the substance was genuine, one seller responded: “You can’t be sure.” Another shared a image of a supposed testing documentation. Not one inquired about body mass, medical conditions or past usage.

Item Details and Costs

Inside these communities, posts display dark colored packages with postal service stickers, stating to contain new batches. One communication stated: “It took eight of us to load them this morning.”

Buyers can select between dry substance containers, mixed at home with sterile water, or ready-to-use pens usually sold at 160 pounds for 20 milligrams. When questioned how much time a injector should be used, vendors give conflicting answers ranging from a few weeks to “depends on your body”.

Platform Oversight and Security Measures

A representative for Telegram stated it regularly monitored harmful material on its service including material that promoted the “misuse of controlled medications”. The company noted that it eliminated “millions of pieces of harmful content each day”.

Medical Professional Warnings

“Individuals are injecting substances they can’t verify. Although the research behind this drug is sound, these digital versions may not include what they advertise,” stated Jason Murphy, the director of pharmacy at Chemist4U.

Dr Crystal Wyllie of an online medical service linked the increase in interest to recent cost increases for approved weight-loss medications such as Mounjaro. “With costs rising, individuals are turning to social media. But counterfeit injections are highly risky. You cannot know what’s contained or whether the environment they were made in was clean,” she said.

Her staff has previously seen individuals harmed by self-injection from unverified suppliers. “We recognize the disappointment, but purchasing from messaging apps or communication platforms is gambling with your health,” stated Wyllie. “These materials could be impure or improperly measured.”

Producer Position

A representative from the pharmaceutical company said the substance was in third stage clinical trials and had not been reviewed or approved 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 “misleadingly claiming itself as a company experimental product not yet approved … may expose patients to possibly serious health risks”.

LM
About the author

Lynn Montgomery

A seasoned tech analyst and writer with over a decade of experience covering UK startups, digital transformation, and market trends.

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