Zinc and Magnesium Interventions in Mood Disorders
Summary
Zinc and magnesium are essential micronutrients that influence mood regulation via multiple biochemical and neurophysiological pathways. Deficiencies in either ion have been associated with heightened risk of depressive and anxiety symptoms. Zinc modulates immune and inflammatory responses and supports synaptic plasticity through interactions with glutamatergic receptors, while magnesium acts as a natural blocker of N-methyl-D-aspartate receptors, influencing excitatory neurotransmission and the release of neurotrophic factors. Clinical and preclinical studies suggest that dietary insufficiency or impaired absorption may exacerbate stress responses mediated by the hypothalamic–pituitary–adrenal axis and disrupt glutamate homeostasis. Conversely, controlled supplementation alongside conventional therapies has shown promise in ameliorating symptom severity, enhancing treatment response and reducing resistance in subgroups of patients. Global research underscores the feasibility of low-cost, scalable interventions targeting populations with micronutrient deficits, offering significant public health benefits. Integration of functional biochemical testing into personalised care pathways may guide tailored repletion strategies, optimise dosing regimens and monitor efficacy. The growing body of evidence calls for large-scale clinical trials to establish standardised protocols for adjunctive zinc and magnesium interventions, while accounting for genetic variants, dietary patterns and gut–brain interactions that modulate bioavailability and clinical outcomes.
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Zinc and Magnesium Interventions in Mood Disorders publication trend
The graph below shows the total number of articles in zinc and magnesium interventions in mood disorders across all publications each year (not limited to Nature Index journals).
Technical terms
Metallomics: The comprehensive analysis of metal ions and their interactions within biological systems.
Hypothalamic–pituitary–adrenal (HPA) axis: A central stress-response system regulating cortisol release and overall homeostasis.
N-methyl-D-aspartate (NMDA) receptor: A subtype of glutamate receptor essential for synaptic plasticity and memory formation.
α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor: A glutamate receptor mediating fast excitatory synaptic transmission in the central nervous system.
Brain-derived neurotrophic factor (BDNF): A neurotrophin that supports neuronal survival, growth and synaptic modulation.
References
- Trace Elements Levels in Major Depressive Disorder—Evaluation of Potential Threats and Possible Therapeutic Approaches. International Journal of Molecular Sciences (2023).
- Relationships between trace elements and cognitive and depressive behaviors in sprague dawley and wistar albino rats. Frontiers in Pharmacology (2024).
- Nutritional considerations in major depressive disorder: current evidence and functional testing for clinical practice.. Nutrition Research Reviews (2023).
- Zinc, Magnesium, Selenium and Depression: A Review of the Evidence, Potential Mechanisms and Implications. Nutrients (2018).
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