BioStacks

Herb

Passionflower

Evidence

Limited
Evidence: 2 of 5 (Limited)

What the evidence says

Passionflower may improve subjective sleep quality primarily through anxiolytic mechanisms involving GABA-A receptor modulation. Limited RCTs exist, mostly small and focused on anxiety rather than sleep directly.

Very limited clinical trials, mostly small and focused on anxiety rather than sleep directly

Top Passionflower supplements for…

Top Passionflower supplements

About Passionflower

Passionflower may improve subjective sleep quality primarily through anxiolytic mechanisms involving GABA-A receptor modulation. Limited RCTs exist, mostly small and focused on anxiety rather than sleep directly. Often combined with valerian and hops in commercial products. No established RDA/UL.

What Passionflower supports

  • May reduce anxiety and support relaxation
  • Limited evidence for sleep quality improvement

How much Passionflower to take

The RDA prevents deficiency. The effective range is what clinical trials used to actually move the outcome.

Effective

250500

mg

Extract form; limited clinical data available.

Clinical evidence

Limited clinical evidence. Very limited clinical trials, mostly small and focused on anxiety rather than sleep directly

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