ADEQUACY OF THE NUTRITIONAL VALUE OF WEIGHT LOSS DIETS CONVEYED IN NONSCIENTIFIC MAGAZINES
DOI:
https://doi.org/10.12957/demetra.2015.16229Keywords:
Fads Dietary Trends. Weight Loss. Recommended Dietary Allowances. Women.Abstract
Objectives: To evaluate the adequacy of the nutritional value ofweight loss diets conveyed in nonscientific magazines accordingto recommendations of macronutrients and micronutrients.Methodology: It is an observational descriptive study in which98 magazines were evaluated with a total of 151 diets publishedbetween 2010 and 2013. Version ®5i of the DIETPRO softwarewas used to develop quantitative nutrients, which were thencompared with the current recommendations of macronutrients(NCEP ATP III) and micronutrients (DRIS,IOM). Results: Basedon the information transmitted to the reader, it can be noticedthat 80.8% were designed by nutritionists, 64.0% were reportedto have an energy value lower or equal to 1,200 calories, and 50%promised a weight loss lower or equal to 3 pounds. In relationto the macronutrients, most diets showed a hypoglycid (53.6%),hyperprotein (78.1%), and hypolipidic (45.7%) composition. Onlytwo of the 12 micronutrients analyzed (vitamin A and C), hadtheir levels in accordance to the recommendations by DRIS.The others, which had more insufficient amounts, were: calcium(47.7%), iron (43.7%), zinc (71.5%), vitamin B12 (53.6%), vitaminD (97.7%), potassium (100%) and fiber (84.8%). Conclusion: Thisstudy suggests that weight loss diets in Brazilian nonscientificmagazines are not appropriate for a healthy weight loss programbecause they do not have a nutritional adequacy of macronutrientsand micronutrients according to recommendations of the DietaryReference Intakes.
DOI: 10.12957/demetra.2015.16229
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