Our expert says:
The RDA values have been compiled by local and international nutrition experts such as in the USA and they refer to the Recommended Daily Dietary Allowance for a large number of nutrients that occur in our foods, e.g. vit A - RDA for adults = 5000 IU. Usually the food labels will state what percentage of a given nutrient is contained in 100g or a serving of the specific food, e.g. orange juice, vit C per 100g = 60 mg = 100% RDA. If you click on 'Diet' at the top of this page and then check out the articles on vitamins and minerals you will find most of the RDAs listed.
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