Mental Health

Can You Take Magnesium with Antidepressants?

Linda Girgis | MD

Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 21st, 2026.

Yes, magnesium can generally be taken with most antidepressants, but timing and monitoring matter. Magnesium may enhance the effectiveness of certain antidepressants like SSRIs by supporting serotonin production and reducing inflammation. However, magnesium can interfere with absorption of some medications when taken simultaneously. Research shows that 300-400mg daily magnesium supplementation may reduce depression symptoms by up to 43% in some studies. Space magnesium supplements at least 2-3 hours apart from antidepressants to avoid absorption issues. Consult your healthcare provider before starting magnesium supplements, especially if you take multiple medications or have kidney problems.

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