The Hidden RDA Error and Why Many Don’t Respond

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The Hidden RDA Error and Why Many Don’t Respond

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This week we unpack the groundbreaking 2014 paper revealing a statistical error in the estimation of the Recommended Dietary Allowance (RDA) for Vitamin D—an error that may have shaped public health policy for a decade. We explore what the researchers actually found, how the miscalculation occurred, and what it means for real-world supplementation.

Then we take the investigation further with fresh insights from “Why Vitamin D Fails to Rise in Many People: New Evidence—and How Orthomolecular Medicine Solves It.” Discover why some individuals can take “adequate” doses yet see little change in their blood levels, and how orthomolecular strategies—rooted in biochemical individuality and high-precision nutrient therapy—offer promising, evidence-based ways to correct these stubborn deficiencies.

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