Depression affects approximately 280 million individuals worldwide, yet its origins involve complex biological and environmental interactions. A new analysis from GMJ Newsroom examines how micronutrient inadequacy may amplify depressive symptoms in vulnerable populations. The evidence implicates B vitamins, vitamin D, zinc, and magnesium as critical actors in neurochemical homeostasis and mood regulation. Deficiencies in these nutrients have been associated with increased symptom severity and reduced responsiveness to standard treatments. B vitamins regulate neurotransmitter synthesis and homocysteine metabolism, while vitamin D supports neuroprotection and calcium buffering in the brain. Magnesium stabilizes neurotransmitter function under stress, and zinc maintains antioxidant defences. Researchers caution that while micronutrient correction may offer supportive benefits, it cannot substitute for pharmacotherapy or psychotherapy in clinical depression management.
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