Effects of probiotics, prebiotics, and synbiotics on gut microbiota in older adults: a systematic review and meta-analysis of randomized controlled trials.
- 2025-09-29
- Meta-Analysis · n = 633
- Nutrition journal 24(1)
- Kai Zhuang
- Huanhuan Luo
- Muhuang Zeng
- Sze Chun Leo Chan
- Meiting Gong
- Yunhan Wang
- PubMed: 41023690
- DOI: 10.1186/s12937-025-01218-1
- High evidence
Probiotic supplementation enhanced microbial diversity (Shannon index: SMD = 0.76)
- Effect
- Beneficial
- Effect size
- Moderate