The aim of the study was to determine the demand for foods enriched with a protein component in the consumer market as a whole and, in particular, in the sports nutrition sector, with the aim of further developing protein biscuit recipes with a high protein content. To accomplish this goal, online testing of respondents was conducted, leading a mostly healthy lifestyle-athletes, visitors to fitness clubs, students and other interested people. Analysis showed a positive trend in consumer demand-the product has good prospects. To develop protein biscuits with a high protein content, the analysis of known protein products was carried out according to a number of qualitative indicators-amino acid composition, biological value, absorption rate (protein cookies are supposed to be used as a snack before or after training, etc.) , the content of proteins, fats and carbohydrates, cost. The optimal combination of these characteristics was found in whey protein concentrate, which was taken as an enrichment supplement.