Nutrient Labeling and Education Act
The 1990 Nutrition Labeling and Education Act requires most foods, including eggs, to carry a nutrition label. Current labels express nutrients as a percentage of Daily Values (DVs) for a 2,000-calorie diet, rather than a percentage of the U.S. Recommended Daily Allowances (U.S. RDAs).
Eggs are produced by nature, not processed according to a formula, and may differ somewhat in nutrient content based on the individual hen and her diet, even within the same size. Based on assay figures and labeling rounding rules for nutrients, a label on a typical one-dozen carton of large eggs might read as follows: