Hello Friend, Sometime emotional imbalance in body can also causes such physical distress due to anxiety or stress in your life. These are called Psychosomatic Disorders. Get yourself assessed holistically for both physical and mental symptoms to identify the actual root cause behind this issues. Take a help of psychologist to analyze these symptoms and get suitable recommendation

Kindly repeat the  level of vit b12 nd vitd3 Rest u need to contiue vit d3 tablets.once a week. For vit b12 u need to have meat and non veg if possible or milk nd milk products more in ur diet