2.1. Design and Setting of This RCT
SECONDARY
This RCT was conducted in Sendai city, Japan, and the Ethics Committee of Tohoku University Hospital approved the study protocol (protocol code 2018-2-276). This study was conducted in accordance with the principles outlined in the Declaration of Helsinki. The RCT was registered in the University Hospital Medical Information Network Clinical Trial Registry (UMIN000035796).To determine the acute effect of acidified milk protein drinks on cognitive function in healthy young adults, we conducted a parallel groups double-blinded RCT. Both participants and researchers were blinded to condition. The primary outcome measure was a Plus-Minus task. Other cognitive functions and mood states (described below) were secondary outcome measures. The Consolidated Standards of Reporting Trials statement (