The analysis of data on alimentary-dependent diseases among persons of the working age in the Republic of Tatarstan testifies to their steady growth. The proportion of deaths from diseases in the etiology of which nutrition plays a significant role over the period 2005-2015 was 77.9%. We have identified the main trend of eating behavior in each age group: high protein intake (in 75% of men and 81% of women) and fat (in 59% of women and 67% of men). A normal range of the body mass index (20.0-24.9), was noted in 44.3% of women and 44.7% of men. About 38% of the surveyed men and more than 2/3 of women (63.2%) do not have additional physical activity. As a result of the irrational eating behavior and low physical activity, the number of overweight men increased by 17.5% during the studied period. Only 20% of residents of the Republic of Tatarstan can be considered rational.

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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).