Consult ayurvedic doctor nearby in your locality who can guide you better. Yoga also works wonder on anxiety. In my patients I have seen improvement with both yoga and ayurveda.

Follow your life style  according to Ayurveda. Automatically it will nourish your health..

Ashwagandha is a well known adaptogen or what we call as stress buster. Studies have shown it reduces cortisol levels which are hormones that increase stress. Which ever form you take see that you get the dosage right In addition you will have to address your mind. Opt for shirodhara an oil treatment to energise and calm the mind. Deep relaxation techniques, yoga, emotional freedom technique are interventions that can add value.