Hashimoto’s can’t be “cured,” only driven into remission by balancing the immune system. Progress, not perfection, is the aim and most people see definite, objective improvement within three months.
Do you have three months? If you can give us three months and you truly work and do what is needed, it is highly unusual that you will not see improvement. From there the goal is to continue improving.
Some people experience dramatic turnarounds in days, for others the progress comes in small but steady increments.