Making regular use of the family of B complex vitamins is imperative for stable mood functions and nerve regulation. Vitamins B1 (thiamine), B2 (riboflavin) B3 (niacin), B5 (pantothenic acid) and B12 (cobalamin) play a critical role in the human body’s ability to handle stressful situations and internal stressors. These B complex items can be found … More Food Treatments for A Better Mood.