Dietary Adequacy of the Rotary Diversified Diet: As a Treatment for “Environmental Illness”

Publication: Canadian Journal of Dietetic Practice and Research
December 2002

Abstract

The rotary diversified diet, used in the management of environmental illness, consists of eliminating prohibited foods from the diet and rotating remaining non-prohibited foods and their “food families” within a regular cycle. We assessed the adequacy of nutrient intakes in 22 women prescribed the diet, described the nature of supplement use, and assessed the relationship between adherence and nutrient intake levels. Except for calcium and folacin intakes, mean nutrient intakes met or exceeded recommended levels. No subjects had calcium intakes above the adequate intake for calcium; 72.7% had folate intakes below the estimated average requirement. Intakes of other nutrients, except thiamin and magnesium, were below the estimated average requirement in less than 25% of the sample; 31.8% and 45.5% of subjects, respectively, had thiamin and magnesium intakes at this level. Those who adhered more closely to the rotary diversified diet had higher intakes of vitamin C, vitamin B6, folate, and fibre than did those who followed the diet less closely. Supplements conferred some nutritional benefits; however, supplemental niacin and magnesium intakes exceeded tolerable upper intake levels. Those prescribed the rotary diversified diet require nutrition counselling from dietitians to cope with the complexity and restrictiveness of the diet.

Résumé

Le régime varié cyclique utilisé dans le traitement des maladies environnementales consiste à exclure les aliments défendus et à faire alterner les aliments permis et leurs « familles d'aliments » selon un cycle régulier. Nous avons évalué la qualité des apports en nutriments de 22 femmes à qui on avait prescrit ce régime, décrit la nature de l'usage de suppléments et déterminé la relation entre l'observance du régime et les niveaux d'apports en nutriments. À l'exception de l'apport en calcium et en folacine, les apports moyens en nutriments satisfaisaient aux niveaux recommandés ou les dépassaient. Aucun des sujets n'avait un apport en calcium qui dépassait l'apport suffisant; 72,7% avaient des apports en folate inférieurs aux besoins moyens estimés. Les apports d'autres nutriments, à l'exception de la thiamine et du magnésium, étaient inférieurs aux besoins moyens estimés chez moins de 25% de l’échantillon; chez 31,8% et 45,5% des sujets respectivement, les apports en thiamine et en magnésium se situaient à ce niveau. Celles qui avaient suivi plus rigoureusement le régime varié cyclique présentaient des apports plus élevés en vitamines C et B6, en folate et en fibres comparativement à celles qui l'avaient suivi de façon moins rigoureuse. Les suppléments apportaient certains avantages nutritionnels; cependant, les apports en niacine et en magnésium pris sous forme de suppléments dépassaient les apports maximaux tolérables. Les personnes à qui on prescrit un régime varié cyclique doivent recevoir les conseils nutritionnels d'une diététiste pour faire face à la complexité et aux restrictions du régime.

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Information

Published In

cover image Canadian Journal of Dietetic Practice and Research
Canadian Journal of Dietetic Practice and Research
Volume 63Number 4December 2002
Pages: 198 - 201

History

Version of record online: 12 February 2007

Authors

Affiliations

Jennifer P. Taylor, PhD
Department of Family & Nutritional Sciences, University of Prince Edward Island, Charlottetown, PEI
Magdalena M. Krondl, PhD
Department of Nutritional Sciences, University of Toronto, Toronto, ON
Mark Spidel, BSc
Department of Family & Nutritional Sciences, University of Prince Edward Island, Charlottetown, PEI
Adele C. Csima, MA
Department of Public Health Sciences, University of Toronto, Toronto, ON

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