AUTHOR=Ren Yu , Gao Ya-Bei , Yu Da-Xing , Huang Hui-Bin TITLE=Beta-hydroxy-beta-methyl butyrate supplementation in critically ill patients: a systematic review and meta-analysis of randomized controlled trials JOURNAL=Frontiers in Nutrition VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1505797 DOI=10.3389/fnut.2025.1505797 ISSN=2296-861X