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The article deals with the problems of diversified development of single-industry towns and the selection of projects for priority financing. The authors propose a method for selecting the best diversification projects and calculating an integral indicator of the effectiveness of diversification using an analytical hierarchical procedure.

To assess the level of consumption of vitamins entering the body with food, vitamin and mineral complexes, and enriched food in the population of working age of the Republic of Tatarstan. The quantitative content of vitamin A and ß-carotene in the diet of men and women is 2 or more times lower than normal value. Indices of the daily intake of vitamin C are 3 times less than normal. Significant differences in the intake of vitamins with food depending on the group of physical activity were not revealed (p > 0.05). Combined deficiency of retinol, β-carotene, thiamine, Riboflavin, Niacin, and ascorbic acid can be traced in 86% of diets. 13.2% of women and 3.7% of men use vitamin and mineral complexes every day; 48% of respondents fail to use them, the rest (35.1%) persons use irregularly. The intake of vitamin and mineral complexes correlates with the average monthly income and the level of education of the respondents (p ≤ 0.05). 3% of respondents consume enriched food 1-2 times a week. The majority of respondents (73%) do not know about products with high nutritional value, the rest (24%), use enriched products 1-2 times a month. We have not found a relationship between the number of enriched products consumed, family income and education level (p > 0.05).