Leela Barham looked at what had happened a year after the NHS 10-Year Plan, released in July 2025, included the commitment to move to a Single National Formulary (SNF) for medicines within the next two years in England. SNF announced in July 2025In July 2025 the government committed to “move to a Single National Formulary (SNF) for medicines within the next 2 years.” Progress update from NHS England in July 2026Now that a year has come and gone since then, NHS England released a blog on the SNF. NHS England was asked, “What measures of success of the Single National Formulary will be used in the future? NHS England responded: “NHS England does not currently hold the information in response to question 3 of your request, as the success metrics are still in development, as are how they will be measured, etc.”