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Thursday, October 8, 2026
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TikTok Influencers Driving Unofficial Trade for Unapproved Weight-Loss Drug

An underground economy for unapproved slimming medications is being driven by TikTok fitness influencers and vendors on messaging platforms, based on recent findings.

Experimental Treatment Gaining Traction Via Social Media

Retatrutide, which remains in clinical trials, is being promoted by social media influencers for its alleged fat-burning properties. Followers are urged to message these accounts privately for supplier links, while also receiving promotional offers.

Active Trade on Messaging Platforms

Additionally, a robust market exists on messaging services, where communities with numerous of members share “before and after” images, injection guides and claims of rapid UK delivery. Sellers promote the drug there before redirecting customers to other platforms for purchases.

Understanding Retatrutide

This medication is an investigational injection developed by US drugmaker Eli Lilly. The treatment affects three gut hormones – glucagon-like peptide-1, GIP and glucagon. Early trials indicate it could help individuals reduce up to a quarter of their body weight. Nicknamed the “triple G”, the drug is being hailed digitally as the successor to Ozempic.

Healthcare Professionals Voice Concerns

However, doctors and chemists have warned that the distribution of what remains an unapproved drug in the United Kingdom is worrisome and could result in users administering products of uncertain source.

Some professionals said the popularity for retatrutide could be linked to the rising cost of licensed weight loss products such as Mounjaro.

Legal Position and Implementation

Marketing retatrutide on TikTok or Telegram is illegal in the United Kingdom, as it is an unapproved drug that must not be marketed or distributed for human use under the British medical regulations.

Some influencers try to circumvent the rules by calling to the drug as a “research chemical” or describing it as “not for human consumption”. The substance is not a controlled drug, but promotion and supply can still breach medicines, advertising, and consumer regulations, risking penalties, legal action or prison.

Platform Response and Content Elimination

According to the social media company, the platform has taken down violative content and prohibited associated keywords and query recommendations. The organization said it was committed to maintaining the platform secure and allocating resources in enhancing compliance measures.

Online Trading Activities

Investigations also found groups with up to 9,000 members selling the experimental drug using the platform's built-in search feature, which operates like a public directory. Typing “retatrutide” immediately brings up channels with numerous of members, populated with images of weight loss, positive testimonials and step-by-step guides for mixing or administering at home.

After minutes of entering one group, a vendor posted WhatsApp details, where the majority of transactions occur. The vendor sent an instruction manual and promised delivery within two days. When asked whether the product was authentic, one seller said: “You can’t be sure.” Another provided a photo of a alleged testing documentation. None inquired about weight, medical conditions or previous experience.

Product Details and Costs

Within these communities, messages show dark colored parcels with postal service labels, claiming to include fresh supplies. One communication stated: “It took eight of us to load them this morning.”

Customers can select between dry substance containers, prepared at residence with sterile water, or pre-filled pens usually sold at £160 for 20 milligrams. When asked how long a injector should be used, sellers give conflicting answers varying between a few weeks to “depends on your body”.

Platform Moderation and Security Actions

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

Healthcare Professional Cautions

“People are administering materials they cannot confirm. Although the science behind retatrutide is valid, these digital products may not contain what they advertise,” said Jason Murphy, the director of pharmacy at Chemist4U.

Dr Crystal Wyllie of Asda Online Doctor connected the increase in interest to current price rises for authorized slimming medications such as Mounjaro. “With prices rising, patients are turning to online platforms. But fake injections are extremely dangerous. You cannot know what’s inside or whether the environment they were produced in was clean,” she explained.

Her team has previously seen individuals harmed by personal administration from unverified sources. “We understand the frustration, but buying from Telegram or communication platforms is taking chances with your well-being,” said the doctor. “These substances could be contaminated or incorrectly dosed.”

Manufacturer Statement

A spokesperson from Eli Lilly said retatrutide was in phase 3 clinical trials and had not been evaluated or approved by any regulatory agency anywhere in the world. “Consequently at this point no one can market [it] for human use,” they explained, adding that any product “falsely representing itself as a company experimental substance not yet authorized … may expose users to possibly serious health risks”.

The writer

Julia Mcdonald

Tech journalist and AI researcher with over a decade of experience covering emerging technologies and their impact on society.

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