General Dosage
500mg standardized extract daily or 45 drops tincture daily, divided into 2-3 doses
Maximum dose: 1,000mg extract/day (limited data above this level)
Passionflower Dosage Guide
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Dosage Recommendations
General recommendation: 500mg standardized extract daily or 45 drops tincture daily, divided into 2-3 doses
Timing: For anxiety: divided doses throughout the day. For sleep: single dose 30-60 minutes before bed.
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Generalized anxiety | 500mg extract or 45 drops tincture daily, divided | Moderate |
| Pre-surgical / acute anxiety | 500mg extract, 60-90 minutes before event | Moderate |
| Sleep quality | 500mg extract or 1 cup tea, 30-60 min before bed | Moderate |
Upper limit: 1,000mg extract/day (limited data above this level)
Timing & Absorption
For anxiety: divided doses throughout the day. For sleep: single dose 30-60 minutes before bed.
Can be taken with or without food.
References
- Akhondzadeh S, Naghavi HR, Vazirian M, Shayeganpour A, Rashidi H, Khani M (2001). Passionflower in the treatment of generalized anxiety: a pilot double-blind randomized controlled trial with oxazepam. Journal of Clinical Pharmacy and Therapeutics. DOI PubMed
- Movafegh A, Alizadeh R, Hajimohamadi F, Esfehani F, Nejatfar M (2008). Preoperative oral Passiflora incarnata reduces anxiety in ambulatory surgery patients. Anesthesia & Analgesia. DOI PubMed
- Ngan A, Conduit R (2011). A double-blind, placebo-controlled investigation of the effects of Passiflora incarnata (passionflower) herbal tea on subjective sleep quality. Phytotherapy Research. DOI PubMed
- Appel K, Rose T, Fiebich B, Kammler T, Hoffmann C, Weiss G (2011). Modulation of the gamma-aminobutyric acid (GABA) system by Passiflora incarnata L.. Phytotherapy Research. DOI PubMed