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roberta-duyffRoberta Larson Duyff, MS, RD, FADA, CFCS

Food and Nutrition Consultant, Author, Speaker

Roberta Larson Duyff, MS, RD, FADA, CFCS (St. Louis, Mo.) is a nationally-recognized, award-winning author, national speaker, media writer, and food industry/government consultant, focusing on practical, science-based food and nutrition guidance -- and promoting "the power of positive nutrition” and the great tastes of good health to consumers of all ages. 

Roberta has authored many books including the American Dietetic Association Complete Food and Nutrition Guide (now in its fourth edition, 2012), and 365 Days of Healthy Eating with its flavorful recipes and healthy lifestyle tips (John Wiley & Sons).

With her culinary expertise, she also has been a guiding force behind and a contributor to the regional cookbook, Cooking Healthy Across America.  Her recipes also appear in Cooking with Les Dames d'Escoffier: At Home with the Women Who Shape the Way We Eat and Drink, in popular magazines, and in food industry websites. 

She is a respected consultant to many government, food industry, and educational clients, including the USDA, the FDA, National Food Service Management Institute, National Dairy Council, National Science Teachers Association, International Food Information Council, the Canned Food Alliance, Dreamfields Pasta, and many more. 

With her academic background in education as well as food and nutrition, she has authored Food, Nutrition, and Wellness and other nutrition, health and culinary textbooks (Glencoe/McGraw-Hill for secondary schools, several children's healthy eating books, including All Our Fruits and Vegetables (federal grant), Nibbles for Health and Power of Choice (USDA), online Nutrition Sci Guides and Sci Packs (National Science Teachers Association), and other nutrition education curriculum for government, non-profit and food industry organizations.

She has been a weekly columnist for the St. Louis Post Dispatch and editorial board/writer for Today's Health and Wellness, has written for popular media and appeared on national TV and radio, and online webcast interviews, including Food and Nutrition Magazine, USA Today, Living Fit, Cooking Light, Better Homes and Gardens, Vegetarian Times, Parenting, Ladies’ Home Journal, and And she has been quoted in many others!

Roberta has received many national and regional awards for her writing and professional work, including the ADA Medallion Award, the ADA's President's  Lecture,  the Missouri Dietetic Association's Lifetime Achievement Award, the National Health Information Award, numerous awards from National Press Women, and National Home Economist in Business of the Year.  She currently serves on the James Beard Journalism Awards Committee honoring excellence in food journalism.  Roberta earned her B.S. at the University of Illinois and her M.S. in nutrition and education at Cornell University.  She is past chair of the Food and Culinary Practice Group of the Academy, among other professional leadership positions, including the Society for Nutrition Education Board and president of its Foundation, National Chair of the Home Economists in Business, and serves in state and national leadership roles in international youth exchange.

Passionate about making healthy eating easy and flavorful, Roberta believes strongly in the power of positive nutrition, in the great tastes of good health, and in the value of the family table!

Consumer Books from Roberta Duyff available at

American Dietetic Association Complete Food and Nutrition Guide, 4th Edition, 2012

The choices you make every day about food, nutrition, and health can have a major impact on your life!

The latest edition of the best-selling and award-winning Complete Food and Nutrition Guide from the Academy of Nutrition and Dietetics (formerly American Dietetic Association) helps you navigate the huge and often confusing array of food options to make the most healthful decisions for you and your family.

Authored by nationally-recognized food and nutrition expert and registered dietitian Roberta L. Duyff, the "everything guide" covers the basics on nutrition, managing weight, and healthy eating.  It also provides easy steps and "how-tos" for selecting, preparing, and storing foods safely to get the most nutrition and flavor for your shopping and eating out dollar, and much more!

Easy-to-read and filled with positive, practical information and tips, this comprehensive food and nutrition guide is packed with the latest healthy eating advice for those at every age and stage of life. In it, you’ll find up-to-date, evidence-based, practical answers for your many food and nutrition questions.

Featured in this comprehensive and easy-to-use reference:

  • Your best and healthiest weight – what works and what doesn’t
  • How to put the latest Dietary Guidelines for Americans and MyPlate into action
  • Latest on protein, carbs, fats, vitamins, minerals
  • Simple, practical tips and flexible food and nutrition skills -- from store and farmers’ market, to kitchen, to plate -- that suit your needs and lifestyle…with ways to apply advice from USDA’s MyPlate
  • Smart solutions for breakfast, meals on the go, snacks, beverage choices
  • Going vegetarian, plant-based meal planning
  • Shopping for nutrition, flavor, and price, including food labeling and additives
  • Culinary savvy for healthy eating and great taste!
  • Food safety, ways to prevent foodborne illness, food for disaster preparedness
  • Eating smart when eating out
  • Phytonutrients, pro-/pre-biotics, functional nutrition and health
  • Infant feeding
  • Food for kids with guidance on healthy weight for children and teens
  • Women’s health and nutrition including pregnancy, breast feeding, and menopause, breast cancer, heart disease, fibromyalgia, and more
  • Eating for healthy aging (older adults)
  • Latest guidance to prevent and manage today’s health concerns, such as heart disease, diabetes, cancer,
  • Food allergies, gluten intolerance (celiac disease), lactose intolerance, and others
  • Healthy eating across the lifespan for children (infants, toddlers, school-age children, and teens) and adults
  • Eating for physical performance (nutrition for sports)
  • Use and abuse of nutrition supplements
  • Interactive self-checks and websites to help you assess your own food choices, find expert information, and take steps to healthy eating
  • Many other high-interest topics!

Presented in an easy-to-read style, this book gives readers positive, practical information and guidelines to use every day for themselves and their families.
"The Complete Food and Nutrition Guide is about choices -- those you, your family, and friends make every day about food, nutrition, physical activity, and health. Every day you make choices, some trivial, others important, a few that set the course of your life," says Duyff.  "But as insignificant as a single choice may seem, when made over and over, it can have a major impact on your health -- and your life.  Eating for health is one of the wisest decisions you'll ever make!"

Buy Now at!


365 Days of Healthy Eating Brimming with sensible, personal and practical tips – just enough to make a difference, taking one easy step toward fitness at a time.

  • How-tos for a fit-focused mindset
  • Preparing food for great flavor and good health – with easy-to-fix recipes
  • Buying right-for-you food and supplements
  • Moving more – and having fun, too
  • And more!

Buy Now at Amazon!


New Textbook from Glencoe/McGraw-Hill

Food, Nutrition & Wellness, (updated edition, 2013)

Secondary level textbook reflects current perspectives for food and nutrition that build on the concept that a solid food and nutrition education not only includes teaching kids how to make good food choices, how to shop wisely, and how to store, prepare, and serve healthful meals. It also integrates the most current science-based nutrition and active living principles and guidelines throughout its chapters. Among the unique and important aspects of this book: food and nutrition content integrated with academic skills.

Food and nutrition content ...

  • Focuses on nutrition basics, food prep, and kitchen basics (with a strong focus on safety and sanitation)
  • Includes topics such as Dietary Guidelines and MyPyramid; healthy weight from a teen perspective; food safety issues; issues that matter to many teens such as eating for athletics, being a vegetarian, and fast food; the value of togetherness at the dinner table; and doable ways to eat smart without sacrificing fun things like dessert and after-school snacks!
  • Based on the latest nutrition science and research
  • Written in accessible style with many learning activities to provide applications, practice, and student involvement
  • Offers recipes for both All-American favorites and International dishes
  • Illustrates food prep process, step-by-step, how-to features

Academic focus ...

  • Provides point-of-use academic integration (math, science, and English language arts)to help teachers meet Perkins mandates
  • Supports project-based learning with unit-long, hands-on applications
  • Includes teacher resources that ...
    -- Support differentiated instruction
    -- Help monitor students' progress through various assessment formats
    -- Provide re-teaching strategies
    -- Provide FACS (family and consumer sciences) standards and academic correlations
    -- Help teachers meet the requirements of the mandate for relevant and rigorous content and improved achievement
    -- Provide easy-to-use electronic tools that save teachers prep and calendar-management time

Buy through Glencoe/McGraw-Hill catalogue (Family and Consumer Sciences) at

Duyff Associates 711 Shallowford Drive St. Louis, MO 63021
Phone: 314-651-4371