Passionflower for Insomnia
A StrongBased on 19 studies (5 meta-analyses, 1 RCT) with 2,820 total participants. 14/19 studies show positive effects.
Key Statistics
19
Studies
2820
Participants
Positive
Grade
Referenced Papers
Dosage & Usage
Commonly Used Dosages
- sleep:
- 250-500 mg extract or 1-2 cups tea, before bed
Upper limit: Not established
Dosages Studied in Research
| Dosage | Duration | Effect | N |
|---|---|---|---|
| None | -- | Positive | 51 |
| None | -- | Positive | -- |
| None | -- | Positive | -- |
| varies by plant and study | -- | Positive | -- |
| Various medicinal herbs: Silexan, Kava, Ginkgo biloba, Withania somnifera, Galphimia glauca, Passion | -- | Positive | -- |
| varies by product and study | -- | Mixed | -- |
| None | -- | Positive | -- |
| Passiflora incarnata (Passionflower) extract (dose not specified) | 2 weeks | Positive | 110 |
Best taken: 30-60 minutes before bed
Safety & Side Effects
Reported Side Effects
- ⚠ Drowsiness
- ⚠ Dizziness
- ⚠ Confusion at high doses
- ⚠ Nausea
Known Interactions
- ● Sedatives and benzodiazepines — additive CNS depression
- ● Blood thinners — passionflower may increase bleeding risk
- ● MAOIs — passionflower contains harmala alkaloids
Tolerable upper intake: Not established
Always consult your healthcare provider before starting any supplement.
Frequently Asked Questions
Does Passionflower help with Insomnia?
How much Passionflower should I take for Insomnia?
Are there side effects of Passionflower?
How strong is the evidence for Passionflower and Insomnia?
Related Evidence
Other ingredients for Insomnia
Passionflower for other conditions
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.