Hello dear friend, have you heard of this: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10665825/
Kampo medicines are traditional herbal formulas prescribed in Japan. Recently, Kampo medicines, such as Kamishoyosan (KSS) and Kamikihito (KKT), were found to improve the stress-induced reduction of KCC2 via GSK3β signaling.
This herbs are avaiolable online, maybe it makes sense to try them.