1. Food labeling: serving sizes of foods that can reasonably be consumed at one eating occasion, reference amounts customarily consumed, serving size-related issues, dual-column labeling, and miscellaneous topics Publication: Silver Spring, MD : Food and Drug Administration, Center for Food Safety and Applied Nutrition, December 2019 Subject(s): Diet, HealthyFood Labeling -- standardsPortion Size -- standardsProduct Labeling -- standardsHumansUnited StatesUnited States. Department of Health and Human Services.United States. Food and Drug Administration.