Comparisons

St John's Wort or Saffron?

St John's wort (Hypericum perforatum) and saffron (Crocus sativus) supplements have been studied for depressive symptoms. Depression needs a doctor's diagnosis and care; never stop antidepressants on your own. The table is built from the sourced cards of both herbs.

St John's Wort or Saffron?
AspectSt. John's WortHypericum perforatumSaffronCrocus sativus
Strongest evidenceA Strong clinical evidenceB Limited clinical evidence
NeedsSleep, Stress & Mood, DigestionSleep, Stress & Mood, Women’s Health
FormDried Herb & TeaSpice
How to usePour 150 ml of boiling water over 1.5–2 g of chopped herb.Standardised extract (ready-made): studies used 30 mg daily (2 × 15 mg).
PregnancyAvoidAvoid
BreastfeedingAvoidCaution
Recommended minimum ageFrom age 18From age 18
Drug interactions4 serious interaction(s)No recorded interactions
Duration limitSee a doctor if no better after 2 weeks6–12 weeks

Which one, when?

St. John's Wort

Standardised dry extracts may support mild to moderate depressive episodes under medical supervision; a Cochrane review found them better than placebo. Interacts seriously with many medicines, including birth control pills, blood thinners and antidepressants.

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Saffron

In a meta-analysis, standardised extract supplements lowered self-reported depression and anxiety scores, with no significant change on clinician-rated scales. Saffron is toxic at 5 g a day or more.

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Good to know

  • If you take an antidepressant, do not start either without your doctor; combined with St John's wort there is a risk of serotonin syndrome.
  • Neither is recommended under 18; St John's wort is not used in pregnancy or breastfeeding, saffron supplements not in pregnancy.
  • Avoid strong sun while taking St John's wort.

Sources

  1. European Union herbal monograph on Hypericum perforatum L., herba – Revision 1EMA HMPC · 2022 · MonographSource accessed:
  2. St John's wort for major depressionCochrane Database of Systematic Reviews · 2008 · Systematic reviewSource accessed:
  3. Effect of saffron on depression, anxiety and mood disorder: a GRADE assessed systematic review and meta-analysis of 34 randomized controlled trialsNutritional Neuroscience · 2026 · Systematic reviewSource accessed:
  4. Crocus sativus L. (saffron) in the treatment of premenstrual syndrome: a double-blind, randomised and placebo-controlled trialBJOG · 2008 · Randomized controlled trialSource accessed:
  5. Saffron in phytotherapy: pharmacology and clinical usesWiener Medizinische Wochenschrift · 2007 · ReviewSource accessed: