Which type of vitamin and mineral deficiencies lead to depression?

B, D and omega 3: There are a few vitamin deficiencies that have been linked to depression : b vitamins and vitamin d. Supplements such as omega 3 fatty acids may also play a role in depression. Omega 3 can be used as a treatment for depression for some individuals. Research is still needed in this area as there may be more deficiencies out there that are linked to depression..