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Salt reduction in the United Kingdom: a successful experiment in public health


The United Kingdom has successfully implemented a salt reduction programme. We carried out a comprehensive analysis of the programme with an aim of providing a step-by-step guide of developing and implementing a national salt reduction strategy, which other countries could follow. The key components include (1) setting up an action group with strong leadership and scientific credibility; (2) determining salt intake by measuring 24-h urinary sodium, identifying the sources of salt by dietary record; (3) setting a target for population salt intake and developing a salt reduction strategy; (4) setting progressively lower salt targets for different categories of food, with a clear time frame for the industry to achieve; (5) working with the industry to reformulate food with less salt; (6) engaging and recruiting of ministerial support and potential threat of regulation by the Department of Health (DH); (7) clear nutritional labelling; (8) consumer awareness campaign; and (9) monitoring progress by (a) frequent surveys and media publicity of salt content in food, including naming and shaming, (b) repeated 24-h urinary sodium at 3–5 year intervals. Since the salt reduction programme started in 2003/2004, significant progress has been made as demonstrated by the reductions in salt content in many processed food and a 15% reduction in 24-h urinary sodium over 7 years (from 9.5 to 8.1 g per day, P<0.05). The UK salt reduction programme reduced the population’s salt intake by gradual reformulation on a voluntary basis. Several countries are following the United Kingdom’s lead. The challenge now is to engage other countries with appropriate local modifications. A reduction in salt intake worldwide will result in major public health improvements and cost savings.

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Correspondence to F J He.

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Competing interests

FJH is a member of Consensus Action on Salt & Health (CASH) and World Action on Salt & Health (WASH). Both CASH and WASH are non-profit charitable organisations and FJH does not receive any financial support from CASH or WASH. GAM is Chairman of Blood Pressure UK (BPUK), Chairman of CASH and Chairman of WASH. BPUK, CASH and WASH are non-profit charitable organisations. GAM does not receive any financial support from any of these organisations. HCB was an employee of CASH while working on the manuscript.

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He, F., Brinsden, H. & MacGregor, G. Salt reduction in the United Kingdom: a successful experiment in public health. J Hum Hypertens 28, 345–352 (2014).

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  • salt reduction
  • target
  • UK programme
  • public health

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