Try These Six Super-Foods That Beat the Blues. 1. Vitamin B. Good old vitamin supplements like Vitamin B are among the best anxiety busters. Many of the B vitamins including B6 (Pyridoxine), B1 (Thiamine), and B3 (Niacinamide) are excellent vitamin supplements for anxiety. Known for their positive effects on the nervous system, vitamin supplements for anxiety stabilize the body’s lactate levels which are responsible for various anxiety attacks.