As health care professionals, we are concerned about the epidemic of obesity: the relations between excess body weight and such medical conditions as cardiovascular disease, hypertension, type 2 diabetes, osteoarthritis, sleep apnea, and certain cancers (such as breast, ovarian, prostate and colon) are well established. We are equally concerned about false and misleading claims in the advertising of weight loss products and services. Many promise immediate success without the need to reduce caloric intake or increase physical activity. The use of deceptive, false, or misleading claims in weight loss advertising is rampant and potentially dangerous. Many supplements, in particular, are of unproven value or have been linked to serious health risks.

A majority of adults in the United States are overweight or obese. All told, they invest over $30 billion a year in weight loss products and services. These consumers are entitled to accurate, reliable, and clearly-stated information on methods for weight management. They have a right to know if the weight loss products they're buying are helpful, useless, or even dangerous.

For this reason, the staff of the Bureau of Consumer Protection, Federal Trade Commission (FTC), joined with the Partnership for Healthy Weight Management–a coalition of representatives from science, academia, the health care professions, government agencies, commercial enterprises, and public interest organizations--to collect and analyze weight loss advertising. The partnership's purpose is to promote sound guidance to the general public on strategies for achieving and maintaining a healthy weight. This report by the FTC staff is a major advance in that direction.

Evidence-based guidelines issued by the National Institutes of Health call for weight loss by simultaneously restricting caloric intake and increasing physical activity. Many studies demonstrate that obese adults can lose about 1 lb. per week and achieve a 5% to 15% weight loss by consuming 500 to 1,000 calories a day less than the caloric intake required for the maintenance of their current weight. Very low calorie diets result in faster weight loss, but lower rates of long-term success.

While exercise added to caloric restriction can help overweight and obese people achieve minimally faster weight loss early on, physical activity appears to be a very important treatment component for long-term maintenance of a reduced body weight. To lose weight and not regain it, ongoing changes in thinking, eating, and exercise are essential. Behavioral treatments that motivate therapeutic lifestyle changes can promote long-term success by helping obese individuals make necessary cognitive and lifestyle changes.

The public often perceives weight losses of 5% to 15% as small and insufficient even though they suffice to prevent and improve many of the medical problems associated with weight gain, overeating, and a sedentary lifestyle. Many in the weight loss industry promise effortless, fast weight loss, then support this misperception by bombarding Americans with spurious advertising messages touting physiologically impossible weight loss outcomes from the use of unproven products and services. All advertisers, whatever their choice of media--cable television, infomercials, radio, magazines, newspapers, supermarket tabloids, direct mail, or commercial e-mail and Internet websites--know that only those products and services that help people adopt lifestyles that balance caloric intake with caloric output will prevent and treat the disease of obesity.

For certain businesses (weight loss franchises, pharmaceutical firms, food companies, the diet book industry, makers of exercise equipment, suppliers of dietary supplements, to name a few) these deceptive and misleading advertisements prevent the public from hearing their messages, words that promote therapeutic lifestyle changes as advocated by professional societies and the U.S. Department of Health and Human Services. Data indicate that at any given time, almost 70 million Americans are trying to lose weight or prevent weight gain. In 2000 they spent approximately $35 billion on products they were told would help them achieve those objectives--videos, tapes, books, medications, foods for special dietary purpose, dietary supplements, medical treatments, and other related goods and services.

As with cigarette smoking and alcohol abuse, false or deceptive advertising of weight loss products and services puts people at risk. Many of the products and programs most heavily advertised are at best unproven and at worst unsafe. By promoting unrealistic expectations and false hopes, they doom current weight loss efforts to failure, and make future attempts less likely to succeed. In the absence of laws and regulations to protect the public against dangerous or misleading products, a priority exists for the media to willingly ascribe to the highest advertising standards, i.e., those that reject the creation and acceptance of advertisements that contain false or misleading weight loss claims.

The public would be well served by becoming more knowledgeable about the evidence based guidelines, the scientifically-proven and medically-safe standards that underlie national public health policy. When more people know what's important and realistic in achieving and maintaining a healthy body weight, fewer will be inclined to waste their money, time, and effort on dangerous fads or miracle cures. The staff of the FTC’s Bureau of Consumer Protection has provided an analysis of current trends in weight loss advertising. It is now up to the consumer and media to act in the best interest of the public health.

CONTENTS
Introduction
Executive Summary
I. An Overview

A. A Never-Ending Quest for Easy Solutions
B. The Role of Advertising for Weight-loss Products and Services
C. Weight Loss: A Multi-Billion Dollar Industry

II. Collection Methodology and Coding
III. Analysis of Weight-loss Advertisements

A. General Observations
B. Media and Product Types
C. Claims by Category
1. Consumer Testimonials
2. Before/After Photos
3. Rapid Weight-loss Claims
4. Lose Weight Without Diet or Exercise
5. Lose Weight Permanently
6. No Matter How Many Times You Have Failed Before
7. Scientifically Proven/Doctor Endorsed
8. Money-back Guarantees
9. Safe/All Natural Claims

IV. Historical Comparison: 1992/2001
V. Regulatory Framework

A. Legal Standards Applicable to Weight-loss Advertising
B. FTC Enforcement History
C. FDA Regulation of Weight-loss Products

VI. Media Responsibility
VII. Conclusion
Appendix A: Product List
Appendix B: Examples of Questionable Ad Claims From 2001 Sample

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