Vitamin C
Vitamin C helps in the production of cortisol, which is necessary for the regulation of stressful situations. Vitamin C can be found in 
citrus fruit, parsley, kale, broccoli, papaya, spinach, turnips, mangoes and asparagus.
Vitamin B3(Niacin)/B6 (Pyridoxine)
These set of vitamins help in diminishing anxiety. And they can be found in oats, barley, banana, potatoes and mushrooms.
