“…Although there is biological plausibility for a role of 25OHD in the development of depression, the current literature base has been unable to demonstrate this. Our mixed, inconclusive results align with other reviews of vitamin D and depression during or outside of the perinatal period [ 9 , 23 , 24 , 25 , 26 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 ]. All called for further, high quality research to provide conclusive evidence, and several recommended that vitamin D supplementation only be considered for individuals with deficient 25OHD status [ 11 , 18 , 23 , 24 , 25 , 26 , 27 , 68 , 69 , 70 ].…”