Statistical analyses
All data are reported as mean ± standard deviation. A two-way analysis of variance (ANOVA) was conducted to assess the significance of the interaction between drink intervention (group) and time. Post hoc analyses were conducted using Bonferroni’s test to compare significant interactions following ANOVA. An intra-group comparison was conducted if the main effect of time without interaction was observed. Differences in changes between the placebo and matcha groups were evaluated using the Mann–Whitney U test or an independent samples 