Do you see any sympthoms improvements after starting supplementing of Vit D as Kelkel suggested?
Many people reports mood enhancements while supplementing Vit D. It is also proven that if one is low supplementing may increase natural testosterone.
Look at: Vitamin D | Vitamin D Council | Providing information on vitamin D and How much Vitamin D do you supplement and why? - Supplements - LONGECITY and Association between plasma 25-OH vitam... [Clin Endocrinol (Oxf). 2012] - PubMed - NCBI