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FOR IMMEDIATE RELEASE
FDA Should Set Standards for Salt Added to Processed Foods, Prepared Meals
The U.S. Food and Drug Administration should gradually step down the maximum amount of salt that can be added to foods, beverages, and meals through a series of incremental reductions. The goal is not to ban salt, but rather to bring the amount of sodium in the average American's diet below levels associated with the risk of hypertension, heart disease, and stroke, and to do so in a gradual way that will assure that food remains flavorful to the consumer, the committee said.
Regulatory action is necessary because four decades of public education campaigns about the dangers of excess salt and voluntary sodium cutting efforts by the food industry have generally failed to make a dent in Americans' intakes, the committee said. The industry's voluntary efforts have fallen short because of lack of a level playing field for all products. Companies have feared losing customers who could switch to competing products or brands with higher salt content. Also, salt is so widespread and present in such large amounts in grocery store and menu items -- including many foods and drinks that people do not think of as salty -- that it is difficult for people who want to reduce their sodium intake to succeed.
"For 40 years we have known about the relationship between sodium and the development of hypertension and other life threatening diseases, but we have had virtually no success in cutting back the salt in our diets," said committee chair Jane E. Henney, professor of medicine, University of Cincinnati College of Medicine, Cincinnati. "This report outlines strategies that will enable all of us to effectively lower our sodium consumption to healthy levels. The best way to accomplish this is to provide companies the level playing field they need so they are able to work across the board to reduce salt in the food supply. Lowering sodium by the food industry in a stepwise, monitored fashion will minimize changes in flavor and still provide adequate amounts of this essential nutrient that are compatible with good health."
On average, Americans consume more than 3,400 milligrams of sodium -- the amount in about 1.5 teaspoons of salt -- each day. The recommended maximum daily intake of sodium -- the amount above which health problems appear -- is 2,300 milligrams per day for adults, about 1 teaspoon of salt. The recommended adequate intake of sodium is 1,500 milligrams per day, and people over 50 need even less.
Americans' salt consumption has been shaped in part by changes in eating habits as people consume more processed foods, dine out more frequently, and prepare fewer meals from basic, raw ingredients in the home.
FDA has the authority to regulate salt as a food additive, the report says. As a substance that has been added to foods throughout history, salt has been treated as "generally recognized as safe," and there are no regulatory limits on its use as an additive. But studies connecting high intakes of sodium to high blood pressure, heart attacks, strokes, kidney disease, and other debilitating and deadly conditions show that salt is safe only up to a certain amount. FDA will need to gather and assess an ample body of data to determine what limits to set on the mineral's use in processed foods and prepared meals and what the incremental decreases should be. The committee acknowledged that establishing the process will take significant time, staffing, and funding.
The percentage of Daily Value for sodium on food packaging -- which tells shoppers how much of their recommended daily intake is in a serving of the product -- is based on an earlier maximum level of 2,400 milligrams per day. Because using an upper level can lead people to mistakenly think that it is a desirable amount, the committee recommended that the Daily Value for sodium be changed to reflect the adequate intake for adults of 1,500 milligrams per day.
Given that it will take time to develop and implement FDA's new regulatory process for salt, restaurants, food service firms, and food and beverage manufacturers should pursue voluntary sodium reduction efforts in the meantime, the committee said. These initiatives could provide experiences and information that could help FDA shape the standards and incremental decreases.
The report was requested by Congress and sponsored by the U.S. Centers for Disease Control and Prevention; U.S. Food and Drug Administration; National Heart, Lung, and Blood Institute; and Office of Disease Prevention and Health Promotion of the U.S. Department of Health and Human Services. Established in 1970 under the charter of the National Academy of Sciences, the
Copies of Strategies to Reduce Sodium Intake in the United States are available from the National Academies Press; tel. 202-334-3313 or 1-800-624-6242 or on the Internet at http://www.nap.edu. Additional information can be found at http://www.iom.edu/sodiumstrategies. Reporters may obtain a copy from the Office of News and Public Information (contacts listed above). In addition, a podcast of the public briefing held to release this report is available at http://national-academies.org/podcast.
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[ This news release and report are available at http://national-academies.org ]
Food and Nutrition Board
Committee on Strategies to Reduce Sodium Intake
Jane E. Henney, M.D. (Chair)
Professor of Medicine
Cheryl A.M. Anderson, Ph.D., M.P.H.
Assistant Professor of Epidemiology
Sonia Y. Angell, M.D., M.P.H.
Cardiovascular Disease Prevention and Control Program
New York City Department of Health and Mental Hygiene
Professor of Medicine
Gary K. Beauchamp, Ph.D.
Ronette R. Briefel, Dr.P.H., R.D.
Mathematica Policy Research
Marsha N. Cohen, J.D.
Professor of Law
Christina A. Mireles DeWitt, Ph.D.
Associate Professor of Food Chemistry
Executive Director of Strategic Initiatives
Mary K. Muth, Ph.D.
Food and Agricultural Policy Research
Robert J. Rubin, M.D., FACP
Clinical Professor of Medicine
Division of Nephrology and Hypertension
John Ruff, M.A.
Senior Vice President of Global Quality, Scientific Affairs, and Nutrition
Kraft Foods (retired)
Glorian Sorensen, Ph.D., M.P.H.
Center for Community-Based Research
Dana-Farber Cancer Institute
Elizabeth A. Yetley, Ph.D.
Senior Nutrition Research Scientist
Office of Dietary Supplements
National Institutes of Health (retired)
Christine Taylor, Ph.D.
Caitlin Boon, Ph.D.