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Friday, October 16, 2026
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TikTok Influencers Driving Parallel Trade for Unapproved Weight-Loss Medication

A shadow economy for unlicensed slimming drugs is being driven by TikTok fitness influencers and sellers on communication apps, according to recent findings.

Investigational Treatment Gaining Traction Online

Retatrutide, which remains in clinical trials, is being promoted by online personalities for its alleged weight-reducing properties. Followers are urged to contact these accounts directly for source information, while also obtaining discount codes.

Thriving Trade on Messaging Platforms

Separately, a flourishing trade exists on Telegram, where communities with numerous of participants share comparison photos, administration instructions and claims of rapid UK delivery. Vendors promote the drug there before directing buyers to other platforms for purchases.

Understanding Retatrutide

Retatrutide is an investigational injection developed by US drugmaker Eli Lilly. The drug targets three gut hormones – GLP-1, glucose-dependent insulinotropic polypeptide and glucagon. Early trials suggest it could assist individuals reduce up to 25% of their total weight. Referred to as the “triple G”, the substance is being hailed digitally as the successor to Ozempic.

Healthcare Professionals Express Concerns

However, physicians and pharmacists have cautions that the distribution of what is still an unlicensed drug in the United Kingdom is a cause for concern and could lead to individuals administering products of uncertain source.

Some professionals said the demand for retatrutide could be linked to the increasing price of approved slimming products such as Mounjaro.

Legal Position and Enforcement

Marketing retatrutide on social media or Telegram is prohibited in the UK, as it is an unlicensed drug that must not be marketed or distributed for personal consumption under the Human Medicines Regulations 2012.

Some content creators try 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 customer regulations, potentially leading to penalties, prosecution or prison.

Platform Reaction and Content Removal

According to the social media company, the platform has taken down problematic content and prohibited associated keywords and query recommendations. The company stated it was committed to keeping the platform safe and investing in strengthening enforcement strategies.

Online Trading Operations

Research also discovered groups with up to 9,000 members selling the experimental drug using the platform's integrated discovery tool, which functions like a public directory. Typing “retatrutide” instantly brings up channels with thousands of members, filled with images of weight loss, positive testimonials and step-by-step instructions for mixing or injecting at home.

After minutes of entering one group, a vendor posted contact information, where most transactions occur. The vendor sent an instruction manual and promised delivery within 48 hours. When questioned whether the product was genuine, one vendor responded: “You can’t be sure.” Another shared a image of a supposed testing documentation. Not one inquired about weight, medical conditions or previous experience.

Item Details and Costs

Within these communities, posts show black plastic parcels with postal service labels, stating to contain fresh supplies. One message read: “It took eight of us to load them this morning.”

Customers can choose between powder vials, mixed at home with purified liquid, or ready-to-use injectors typically sold at 160 pounds for 20 milligrams. When asked how much time a injector should be used, vendors give contradictory answers varying between a several days to “depends on your body”.

Service Moderation and Safety Measures

A spokesperson for the messaging service said it regularly monitored harmful material on its platform including material that encouraged the “misuse of controlled medications”. The company noted that it removed “millions of pieces of harmful content each day”.

Healthcare Professional Warnings

“People are administering substances they cannot confirm. Even if the research behind this drug is valid, these online versions may not contain what they claim,” stated a pharmacy expert, the head of pharmacy at Chemist4U.

A medical professional of an online medical service connected the surge in demand to recent cost increases for authorized slimming medications such as Mounjaro. “With prices increasing, patients are turning to online platforms. But fake treatments are extremely risky. You cannot know what’s inside or whether the environment they were produced in was sterile,” she explained.

Her staff has previously seen individuals harmed by self-injection from unconfirmed suppliers. “We recognize the frustration, but purchasing from messaging apps or WhatsApp is taking chances with your health,” said the doctor. “These materials could be contaminated or improperly measured.”

Manufacturer Position

A spokesperson from Eli Lilly stated retatrutide was in third stage research studies and had not been evaluated or approved by any government authority globally. “Consequently at this point no one can market [it] for human use,” they said, adding that any item “misleadingly claiming itself as a Lilly experimental product not yet authorized … may expose patients to potentially serious health risks”.

The writer

Deborah Davies

A tech enthusiast and digital strategist with over a decade of experience in analyzing emerging technologies and their impact on business.

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