For over 50 years we’ve been led to believe that RDA levels are adequate but adequate for what? Adequate to prevent clinically obvious nutritional deficiencies like scurvy, beriberi, rickets, and pellagra?
According to the Food and Nutrition Board (under the umbrella of the National Institutes of Health): “The Recommended Dietary Allowance (RDA) is the average daily dietary intake level that is sufficient to meet continue reading…

