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meta analysis177 participants

Saffron for Depression: What a Meta-Analysis of RCTs Found

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A 2013 meta-analysis of randomized controlled trials (5 trials, 177 participants) found saffron was associated with a...

A 2013 meta-analysis of randomized controlled trials (5 trials, 177 participants) found saffron was associated with a large reduction in depressive symptoms versus placebo, and was comparable to standard antidepressants. Trials were small and mostly conducted in Iran, so saffron is best seen as a supportive option to discuss with a clinician — not a replacement for depression treatment.

Key Findings

  • Across 5 RCTs (177 participants), saffron was associated with a large reduction in depressive symptoms versus placebo (mean effect size 1.62, p<0.001).
  • Against standard antidepressants, saffron showed broadly comparable effects on depressive symptoms.
  • Studied doses were commonly around 30 mg/day of saffron extract over 6–8 weeks.
  • Trials were small and mostly conducted by research teams in Iran, so larger independent and longer-term studies are needed.

Study Details

Saffron (Crocus sativus L.) and major depressive disorder: a meta-analysis of randomized clinical trials
Hausenblas HA, Saha D, Dubyak PJ, Anton SDJournal of Integrative Medicine (2013)
Saffron was associated with a large reduction in depressive symptoms vs placebo (ES 1.62) and was comparable to antidepressants across 5 RCTs.
177 participantsModerate

Practical Takeaway

Saffron extract has been studied for supporting mood and was associated with reduced depressive symptoms in small randomized trials, with effects broadly comparable to standard antidepressants over 6–8 weeks (commonly ~30 mg/day). The evidence base is limited — small studies, mostly from one region — so results should be interpreted cautiously. This is supportive information, not a treatment plan: saffron is not a substitute for evidence-based depression care. If you are experiencing depression, and especially if you have any thoughts of self-harm, please reach out to a healthcare professional, and review supplements with your clinician (saffron may interact with antidepressants and blood thinners).

Summary

A meta-analysis of randomized trials found saffron was associated with reduced depressive symptoms versus placebo, with effects comparable to standard antidepressants in small, mostly Iran-based studies.

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Frequently Asked Questions

Does saffron help with depression?

A meta-analysis of randomized trials found saffron was associated with a large reduction in depressive symptoms versus placebo, and was comparable to standard antidepressants. However, the trials were small and mostly from one region, so it is best viewed as a supportive option rather than a proven standalone treatment.

How much saffron was used in depression studies?

Trials commonly used around 30 mg/day of saffron extract over 6–8 weeks. Because saffron can be costly and quality varies, and because it may interact with antidepressants, discuss an appropriate product and dose with your clinician.

Can saffron replace my antidepressant?

No. Although some trials compared it to antidepressants, the studies were small and short. Do not stop or change a prescribed antidepressant on your own — make any changes with your clinician.

When should I seek help for depression?

If low mood is persistent, worsening, or affecting your daily life — or if you have any thoughts of harming yourself — please contact a healthcare professional or a crisis line right away. Supplements are not a substitute for proper care.

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References

  1. Hausenblas HA, Saha D, Dubyak PJ, Anton SD (2013). Saffron (Crocus sativus L.) and major depressive disorder: a meta-analysis of randomized clinical trials. Journal of Integrative Medicine. DOI PubMed
  2. Yang X, Chen X, Fu Y, Luo Q, Du L, Qiu H, et al. (2018). Comparative efficacy and safety of Crocus sativus L. for treating mild to moderate major depressive disorder in adults: a meta-analysis of randomized controlled trials. Neuropsychiatric Disease and Treatment. DOI PubMed