The government has published its consultation on banning advertisements for a huge range of perfectly normal foods, by any company, online ever again. https://www.gov.uk/government/consultations/total-restriction-of-online-advertising-for-products-high-in-fat-sugar-and-salt-hfss/introducing-a-total-online-advertising-restriction-for-products-high-in-fat-sugar-and-salt-hfss
The scope of the ban is extraordinary. Let's say you make jam or pies, for example. You won't be able to advertise them on your own website, nor will you be able to promote them in an email or in a text message. Google Adwords are also banned.
https://www.gov.uk/government/consultations/total-restriction-of-online-advertising-for-products-high-in-fat-sugar-and-salt-hfss/introducing-a-total-online-advertising-restriction-for-products-high-in-fat-sugar-and-salt-hfss

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The benevolent government will allow you to put your products on your own website if you stick to "factual claims". Just don't say they're delicious or a bargain.
There is no legal definition of 'junk food', so what does the government use as the nearest legal equivalent? The answer may surprise you. https://iea.org.uk/wp-content/uploads/2019/03/SNOWDON-JUNK-FOOD-FINAL-002.pdf
The government had due warning about what would happen if they gave in to the fanatics on this. The Farmdrop episode last year was a perfect case study. https://life.spectator.co.uk/articles/the-unintended-consequences-of-the-junk-food-advertising-ban/
And then there were the hilarious efforts by Transport for London to comply with their own regulation. https://life.spectator.co.uk/articles/the-true-absurdity-of-the-junk-food-advertising-ban-revealed/
A thread of food products that the government promotes as the best of Britain while simultaneously classifying them as âjunkâ. https://twitter.com/cjsnowdon/status/1286678298735583232?s=21 https://twitter.com/cjsnowdon/status/1286678298735583232