Effect of fermented milk on upper respiratory tract infection in adults who lived in the haze area of Northern China: a randomized clinical trial.
- 2021-01
- RCT · n = 136
- Pharmaceutical biology 59(1)
- Hong Zhang
- Junli Miao
- Miya Su
- Bryan Y Liu
- Zhenmin Liu
- PubMed: 34062085
- DOI: 10.1080/13880209.2021.1929344
- High evidence
- Large Human Trial
- Clinical
Qingrun yogurt significantly reduced the duration (1.23 ± 2.73 vs. 4.78 ± 5.09 d) and severity score (3.58 ± 7.12 vs. 11.37 ± 11.73) of URTI.
- Effect
- Beneficial
- Effect size
- Large
- Significant
- Yes
- Dose
- 250 g/day (Qingrun yogurt containing the probiotic)