Derby dietitian on influence of unhealthy food promos online

It comes as new research suggests influencers sharing junk food posts are tempting more children to eat unhealthily

Author: Charlotte Linnecar, Ella Pickover PA Published 19th Aug 2025

We're hearing how children are being 'bombarded' by unhealthy food ads online, and they're more likely to eat junk food if influencers share them.

Of 4,000 children surveyed across the UK, more than half said they'd seen unhealthy food and drink posts on social media, either from businesses or influencers.

Sascha Landskron owns UniNutrition based in Derby, as a Specialist Dietitian, she focuseson mental health, ketogenic diets for therapeutic nutrition, and also nutritional genetics.

She tells us how this kind of advertising is just an additional challenge for those trying to be healthy:

"Children are always more vulnerable to advertising, particularly around food, because they don't necessarily have the same ability to think objectively about what's being presented to them.

"Plus, they're more likely to trust the message that's being portrayed.

"So children are more vulnerable and even the ways that we develop, sets us up to prefer ultra processed foods. My area of expertise is around nutrition, but I do understand that most businesses are moving towards that influencer style of marketing because for people, it feels more real. They always say people buy from people, and so to see somebody that you like and respect, eating something - it's going to have an influence.

"I suppose some people might say that young people are more impressionable to that regard, but I think we can all be impressionable, at any age, if we see somebody that we like and respect promoting something? It really can be very compelling for a lot of people."

Sascha offered the advice to just try introduce one new, healthy product into your diet at a time, so you still enjoy what you're eating but you're venturing out.

You can find out more on the UniNutrition website.

Cancer Research UK said that ministers must do more to protect young people from "harmful marketing that could increase their risk of obesity and cancer in the future".

New laws, which come into force next year, will end paid-for advertising, including online, of specific foods which are high in fat, sugar and salt.

The charity said that it is important for the implementation of the legislation to go ahead as planned after repeated delays.

And it warned that not all exposure to junk food will end when the new laws come into place as there will still be online advertising loopholes.

The charity surveyed 4,000 children and young people aged 11 to 21 across the UK and found:

  • Half (52%) saw unhealthy food and drink products from either businesses or influencers on social media in the last month.
  • Almost four in 10 (39%) said they engaged with these posts by commenting, liking or sharing.
  • They were more likely to interact with a post from an influencer compared to a business.

Some reported that seeing content about food high in fat, salt and sugar made them feel tempted or hungry.

"A giant cookie bowl keeps showing up, when I see it, I feel like ordering a dessert and I feel really hungry," an 11 year-old told the charity.

A 15-year-old said: "I'd say at least every two minutes that I'm on Instagram I'd see at least one food-related post."

Liv Cheek, prevention policy manager at Cancer Research UK, said: "Being overweight or obese is the second biggest cause of cancer in the UK after smoking, and rates among young people are rising.

"Our survey shows more than half of young people regularly see unhealthy food and drink content online, often promoted by influencers.

"Advertising can shape what children eat, so the UK Government must help create an online environment that empowers, rather than undermines, healthy changes.

"Planned restrictions on junk food advertising online are a vital step to protect young people's health.

"However, these measures must be properly enforced and strengthened by closing any remaining gaps in the online marketing rules.

"We urge the UK Government and regulators to take bold action to shield young people from harmful marketing that could increase their risk of obesity and cancer in the future."

Next month, experts will meet at the The International Food Addiction and Comorbidities Conference in London to discuss growing health concerns about food addiction.

A government spokesperson said:

“Obesity robs children of the best start in life and sets them up for a lifetime of health problems, which costs the NHS billions.

“The junk food advertising restrictions on TV and online are a crucial part of our Plan for Change to raise the healthiest generation of children ever.

“By reducing children’s exposure to junk food advertising, we will remove up to 7.2 billion calories from UK children’s diets each year and deliver around £2 billion in health benefits.”

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