the UK department of health publishes dietary guidlines which are now dietary referance values (DRV's) which include:
- estimated average requirements (EAR).
- lower referance nutrient intake (LRNI).
- higher referance nutrient intake (HRNI).
these provide values which a healthy balanced diet should fall.
upper and lower limits have not been set for carbohydrates and fats, but instead for energy .
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