A comprehensive guide to salt – the evidence
The guide contains scientific references. You can find these in the notes throughout the text, and click the links to read the peer-reviewed scientific papers. When appropriate we include a grading of the strength of the evidence, with a link to our policy on this. Our evidence-based guides are updated at least once per year to reflect and reference the latest science on the topic.
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This guide is written for adults eating a low-carb diet and who are concerned about salt intake and health.
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A Cochrane meta-analysis of RCTs show no clear benefit:
An earlier Cochrane review found a significantly increased risk of death from salt restriction in people with heart failure: