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Last updated 17 October 2026

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What to write to us about

  • Corrections. If a formula, number or claim on the site looks wrong, tell us the page and what you think it should say. Corrections get priority.
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What we can't help with

We can't give personal medical, dietary or injury advice by email. If you have a health condition, pain, or are pregnant, please speak to a doctor or a registered dietitian. Our medical disclaimer explains why.

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