most common deficiencies causing anxiety
However, subclinical deficiencies of vitamin B3 can produce agitation and anxiety, as well as mental and physical slowness. Vitamin B5 (pantothenic acid): Deficiencies of this vitamin are rare, but may lead to symptoms of fatigue and depression. Vitamin B6 (pyridoxine): This vitamin helps your body process amino acids, which are the building blocks of all proteins and some hormones. It is needed to make serotonin, melatonin and dopamine.