Do All Essential Nutrients Have RDAs? Understanding the 'Adequate Intake' Standard
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2 min read
While the Recommended Dietary Allowance (RDA) is a familiar nutritional benchmark, a lesser-known fact is that RDAs have only been established for roughly half of the known essential nutrients. The question, 'Do all essential nutrients have RDAs?' is a common one, and the answer reveals the difference between a definitive standard and an informed estimate based on scientific evidence.