In this 2016 review, authors discuss the causes of depression and the neurochemical pathways in depression. Providing evidence that vitamin B contributes to the complexity of depressive symptoms specifically vitamins B1, B3, B6, B9 and B12 are essential for neuronal function and deficiencies have been linked to depression.
References:
Mikkelsen K, Stojanovska L, Apostolopoulos V. The Effects of Vitamin B in Depression. Curr Med Chem. 2016;23(38):4317-4337. doi: 10.2174/0929867323666160920110810. PMID: 27655070.
