BioStacksBest Passionflower for Sleep
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Clinical dose: 250–500 mg
How Passionflower supports sleep
Passionflower is a supporting nutrient for sleep support. 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. In clinical studies, passionflower limited evidence for sleep quality improvement.
What dose to look for
Clinical studies typically use 250–500 mg of passionflower. Extract form; limited clinical data available. Supplements that fall short of this threshold are unlikely to match what clinical trials achieved.
Clinical research
Passionflower has limited clinical evidence for sleep benefits. Very limited clinical trials, mostly small and focused on anxiety rather than sleep directly Learn more
