Journal of Nutrition and Health

The Korean Nutrition Society (한국영양학회)
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Consumption of protein supplements/protein-fortified foods among young adults in Jeju

제주지역 일부 20-30대 성인의 단백질 건강기능식품/강화식품 섭취실태

  • Hyoju Lee (Department of Nutrition Education, Graduate School of Education, Jeju National University) ;
  • Youjeong Jang (Department of Food Science and Nutrition, Jeju National University) ;
  • Sumin Kim (Department of Food Science and Nutrition, Jeju National University) ;
  • Kyungho Ha (Department of Food Science and Nutrition, Jeju National University)
  • 이효주 (제주대학교 교육대학원 영양교육전공 ) ;
  • 장유정 (제주대학교 식품영양학과) ;
  • 김수민 (제주대학교 식품영양학과) ;
  • 하경호 (제주대학교 식품영양학과)
  • Received : 2024.01.22
  • Accepted : 2024.04.19
  • Published : 2024.04.30
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Abstract

Purpose: Recently, high-protein diets have become highly popular, and the market for protein products has steadily increased in Korea together with the development of various types of such products. However, there is limited information on the consumption of protein supplements (PS) or protein-fortified foods (PF). Thus, this study aimed to evaluate the use of PS/PF among young adults in Jeju. Methods: A total of 350 adults (140 men and 210 women) aged 19-39 years voluntarily participated in this study from June 2022 to May 2023. PS/PF use was measured using a questionnaire. Dietary intake was assessed using a 24-hour dietary recall. Results: Approximately 31.4% of the participants (n = 110) had consumed PS/PF for more than 2 weeks during the past year and 71.8% of them (n = 79) were still consuming these products (PS/PF consumers). The PS/PF consumers tended to be male and physically active (p < 0.05 for all). The most frequent reason for PS/PF use was muscle gain (59.5%), followed by protein supplementation (19.0%) and body fat loss (13.9%), and the most frequent type of PS/PF consumed was powders (70.6%), followed by drinks (17.7%) and bars (8.8%). The PS/PF consumers tended to consume a high-protein low-carbohydrate diet compared to the non-consumers. The prevalence of consuming dietary protein less than the estimated average requirement (EAR) was significantly lower in PS/PF consumers (13.9%) compared to non-consumers (25.4%; p = 0.0316). Conclusion: These findings indicate that the necessity of protein supplementation should be determined based on the current dietary protein intake and individual requirements. The study also provides the basic information for establishing guidelines for appropriate protein intake.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (No. 2021R1G1A1008495).

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