3.1. Baseline Characteristics of Subjects
A total of 277 candidates were screened, after which 177 were excluded from the study. Of the 177 excluded subjects, 129 did not meet the eligibility criteria and 48 did not provide consent to participate in this study. Finally, 100 participants were randomly assigned to the intervention groups. As a result, 20 subjects were assigned to the placebo group, 18 to the ALA 50/SFC 29 group, 22 to the ALA 100/SFC 29 group, 19 to ALA 150/SFC 29 group, and 21 to ALA 100/SFC 57 group (