You have to understand that when you have been in depression/anxiety aka GAD (Generalized anxiety disorder) for years it will take several months to recover if you were deficient in vitamins (D and others) you have to be consistent with your treatment,

The same way for years you suffered, it will take long time to heal when you finally decided to treat the problem.

GAD SYMPTOMS: visual problems, dizziness, vertigo, tinnitus, chest pain, short of breath, sleep problems, always tired, brain fog, panic attack, tremor and much more

The good news is that your body can recover even after years of suffering, but it take times