Dietary magnesium deficiency alters gut microbiota and leads to depressive-like behaviour, Acta Neuropsychiatr. 2015

“Conclusion
In conclusion, we hypothesise that imbalances of the microbiota–gut–brain axis induced by consuming a MgD diet, contributes to the development of depressive-like behaviour.”

Full paper: https://www.cambridge.org/core/services/aop-cambridge-core/content/view/97BCCF4506FCA4EB600FD95B1E71E277/S0924270815000071a.pdf/dietary_magnesium_deficiency_alters_gut_microbiota_and_leads_to_depressivelike_behaviour.pdf