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Head-to-head evidence comparison — which supplement is right for you?
Saffron wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
7 of 8 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mixed evidence
4 of 9 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Saffron and St. John's Wort have evidence — compare verdict strength side-by-side.
28-30mg daily
Morning or split AM/PM
Affron® standardized extract
300mg 3x daily (900mg total)
With meals, Divided into 2-3 doses
Standardized extract (0.3% hypericin)
4-8 weeks
4-8 weeks
2 menstrual cycles
4-6 weeks
4-8 weeks
During use
First 1-2 weeks
Comparative efficacy and tolerability of nutraceuticals for depressive disorder: A systematic review and network meta-analysis
Psychological medicine (2025) · Meta analysis · n=17437
Adjunctive nutraceuticals consistently showed better efficacy than antidepressants (ADT) alone in outcomes including SMD, remission, and response.
Systematic Review and Network Meta-Analysis of the Effects of Plant Extracts on Cognitive Function and Quality of Life in Stroke Patients
Phytotherapy research : PTR (2025) · Meta analysis
John's Wort extract (SUCRA 71.2%) was the most effective in reducing NIHSS scores, Berberine (SUCRA 84.1%) was most effective in reducing mRS scores, and St.
New horizons for the study of saffron (Crocus sativus L.) and its active ingredients in the management of neurological and psychiatric disorders: A systematic review of clinical evidence and mechanisms
Phytotherapy research : PTR (2024) · Systematic review
A random-effects or fixed-effects model was used to calculate the pooled effect sizes.
St John's wort for major depression
Cochrane Database of Systematic Reviews (2008) · Meta analysis · n=5489
As effective as standard antidepressants for mild-moderate depression
Efficacy of Pharmacological Interventions in Milder Depression: A Systematic Review and Meta-Analysis
Neuropsychopharmacology reports (2025) · Meta analysis · n=1049
A meta-analysis found no significant difference in response rates between the two treatments (risk ratio [RR] = 0.96, 95% CI: 0.78-1.18) or dropout rates (RR = 1.08, 95% CI: 0.62-1.88).
Systematic Review and Network Meta-Analysis of the Effects of Plant Extracts on Cognitive Function and Quality of Life in Stroke Patients
Phytotherapy research : PTR (2025) · Meta analysis
John's Wort extract (SUCRA 71.2%) was the most effective in reducing NIHSS scores, Berberine (SUCRA 84.1%) was most effective in reducing mRS scores, and St.
Based on meta-analysis of 11 RCTs (n=531) showing significant antidepressant effects vs placebo with large effect size (Hedges g = 0.99). 30mg daily was most commonly effective dose. Conservative effectiveness estimates given study heterogeneity and modest sample sizes in individual trials.
Based on multiple meta-analyses (n>5000) showing efficacy comparable to SSRIs for mild-moderate depression. Effect plateau around 900-1200mg. Not effective for severe depression. Requires standardized extract (0.3% hypericin).
AI-estimated from published studies. Interpret as directional guidance.
Saffron has a higher evidence score (7.5/10 vs 7.8/10) and wins in 2 of 3 categories.
For support mood, St. John's Wort has a higher relevance score (92 vs 90).
No known interactions between Saffron and St. John's Wort have been documented in our database. However, always consult a healthcare provider before combining supplements.