Supplements for Major Depressive Disorder

What the Research Shows

Clinical research on supplements for Major Depressive Disorder shows varying levels of efficacy. Omega-3 fatty acids demonstrate moderate evidence for reducing symptoms, particularly when EPA levels are high. Similarly, St. John’s Wort shows moderate to strong evidence for treating mild-to-moderate depression, though its effectiveness in severe cases is less clear. S-adenosylmethionine (SAMe) and methylfolate also show moderate evidence for supporting mood stabilization in specific populations. Other supplements have weaker or conflicting data. Vitamin D and B-complex vitamins show weak evidence, often appearing beneficial only for those with a confirmed deficiency. Evidence for probiotics is currently insufficient to support their use as a standalone treatment for depression. Many studies are limited by small sample sizes, short durations, and a lack of standardized dosing, meaning the overall strength of the evidence for most supplements remains lower than that for established pharmacological treatments.

AI-generated overview based on research evidence. Not medical advice.

This page is generated from AI-analyzed evidence summaries. Evidence strength ratings are based on the quality and quantity of available research, not guaranteed effectiveness. Always consult a healthcare provider before using supplements for any health condition.

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