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Types of Passionflower: Forms & Bioavailability

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Forms Comparison

FormBioavailabilityBest For
Standardized Passionflower Extract (3.5% vitexin)ModerateAnxiety and sleep — standardized for consistent flavonoid content
Passionflower Tincture (1:4)Moderate-HighFlexible dosing — liquid form for rapid absorption, used in Akhondzadeh RCT
Passionflower Tea (Dried Herb)Low-ModerateMild sleep support — gentle form studied in Ngan & Conduit (2011) sleep trial
Dried Powder CapsulesLow-ModerateConvenience — whole herb in capsule form, less potent than standardized extract

Standardized Passionflower Extract (3.5% vitexin)

Bioavailability: Moderate. Best for: Anxiety and sleep — standardized for consistent flavonoid content.

Passionflower Tincture (1:4)

Bioavailability: Moderate-High. Best for: Flexible dosing — liquid form for rapid absorption, used in Akhondzadeh RCT.

Passionflower Tea (Dried Herb)

Bioavailability: Low-Moderate. Best for: Mild sleep support — gentle form studied in Ngan & Conduit (2011) sleep trial.

Dried Powder Capsules

Bioavailability: Low-Moderate. Best for: Convenience — whole herb in capsule form, less potent than standardized extract.

Full Passionflower Guide

References

  1. (). Passionflower in the treatment of generalized anxiety: a pilot double-blind randomized controlled trial with oxazepam. Journal of Clinical Pharmacy and Therapeutics. DOI
  2. (). Preoperative oral Passiflora incarnata reduces anxiety in ambulatory surgery patients. Anesthesia & Analgesia. DOI
  3. (). A double-blind, placebo-controlled investigation of the effects of Passiflora incarnata (passionflower) herbal tea on subjective sleep quality. Phytotherapy Research. DOI
  4. (). Modulation of the gamma-aminobutyric acid (GABA) system by Passiflora incarnata L.. Phytotherapy Research. DOI