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RESEARCH PAPER / 2026-03-10

Fermented Whey Protein Supplement Slows the Progression of Frailty and Sarcopenia Among Older Korean Adults: A Randomized Blinded Trial.

Hee-Sook Lim, Dong Hoon Jung, Ha Yul Kim, Jung Wan Lee, Young Sun Kim, Hyeri Shin

Department of Gerontology, AgeTech-Service Convergence Major, Graduate School of East-West Medical Science, Kyung Hee University, Yongin, Korea. · pubmed

Abstract

As the global population ages, frailty and sarcopenia have emerged as pressing public health challenges due to their impact on functional decline and increased health care burden. This study assessed the efficacy of lactic acid bacteria-fermented whey protein (LAB-FWP) supplementation for improving physical function and nutritional markers in community-dwelling older Korean adults. A total of 45 individuals aged 65 years and older (body mass index 18.5-30) who had not used protein supplements in the prior 6 months were enrolled in a 10-week, randomized, blinded trial. Participants were assigned to either the intervention group (

The following analysis is generated by AI and may contain errors. It is separate from the authors’ abstract and is not peer review.

Research summary

The paper claims that lactic acid bacteria-fermented whey protein supplementation can slow the progression of frailty and sarcopenia in older adults. This research is relevant as it addresses the deterioration of physical function associated with aging, which is a significant aspect of longevity and age-related health challenges.

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