Abstract
ABSTRACT Objective To analyze quantitatively the diets available on blogs and websites. Methods The following 15 diets were analyzed: low-carb diet, gluten-free diet and intermittent fasting diet using the Virtual Nutri software program. The nutrients analyzed were as follows: carbohydrates, fibers, proteins, lipids, iodine, sodium, calcium, magnesium, iron, zinc, manganese, phosphorus, selenium, vitamins A, C, B6, B12, D, niacin, and folate. The nutrient values were compared with the Dietary Reference Intake recommendation for adults between the ages of 19-50 years. The macronutrient adequacy percentage was based on a 2000-kcal diet for a healthy life, as recommended by the World Health Organization. Results It was observed that most of the composition of macro and micronutrients was lower than the one established by the World Health Organization and the Dietary Reference Intake recommendation for adults between the ages of 19-50 years. Conclusion Long-term dieting can be a risk factor for several deficiency diseases and may endanger the health of individuals.
Highlights
Dietary and nutritional patterns in the Brazilian population are influenced by the so-called ‘nutritional transition’, which refers to changes in the diet of individuals and it is correlated with economic, demographic and epidemiological changes
Nutritional composition of fad diets published on websites and blogs
The intermittent fasting diets were classified as a highly calorie-restricted diet, while the low-carb and gluten-free diets ranged from highly calorie-restricted diet to mild calorie-restricted diet according to Souza et al [9]
Summary
Dietary and nutritional patterns in the Brazilian population are influenced by the so-called ‘nutritional transition’, which refers to changes in the diet of individuals and it is correlated with economic, demographic and epidemiological changes. The increase in obesity and high prevalence of chronic diseases are outstanding [2]. Together with the concern regarding diseases and current beauty pattern, a significant portion of the population is excessively concerned with weight and body composition. Having a lean body seems to be the only type valued in society, which leads to illnesses in individuals who do not fit into the hegemonic beauty patterns. Fat has become a symbol of moral failure and the obese carry a stigma as inappropriate weight is considered a morally and socially undesirable quality [3,4]
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