The new rules on less-healthy foods (AKA: HFSS)

New UK regulations targeting less healthy foods (LHF) — also known as high-fat, -salt and -sugar (HFSS) products — are reshaping how brands advertise online.

To get you ready ahead of the October 2025 deadline, we’ve curated some practical insights, legalese breakdowns, and actionable updates, to help you stay compliant and competitive with your digital marketing.