Trends in dietary amino acid intake and food sources among Korean adults: data from the 2010-2022 Korea National Health and Nutrition Examination Survey.

ABSTRACT:

Background/objectives

Although dietary protein intake has received significant attention recently, research on dietary amino acid (AA) intake remains limited. Thus, this study aimed to estimate AA intake and food sources among Korean adults between 2010 and 2022.

Subjects/methods

Based on the Korea National Health and Nutrition Examination Survey data, 69,664 adults aged 19 yrs or older were included. Essential AA (EAA), branched-chain AA (BCAA), and nonessential AA (NEAA) intakes were estimated.

Results

The average total AA intake over the past 13 yrs was 62.1 g/day, consisting of 24.8 g/day of EAAs (11.8 g/day of BCAAs) and 37.3 g/day of NEAAs. Leucine was the most commonly consumed EAA, while glutamic acid was the most consumed NEAA. Over the study period, total AA

SUBMITTER: Kim S 

PROVIDER: S-EPMC12518749 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature