Mood/Sleep

Passionflower

Herbal extract from Passiflora incarnata used traditionally to ease anxiety and improve sleep quality in adults with mild-to-moderate symptoms.

Passionflower

Herbal extract from Passiflora incarnata used traditionally to ease anxiety and improve sleep quality in adults with mild-to-moderate symptoms.

score

evidence

Caution

risk

Overview

Forms

Safety

Stack

Quick Take

Modest evidence for calming anxiety and aiding sleep; best as a short-term aid rather than a daily staple.

Passionflower is a climbing vine native to the southeastern United States, traditionally used as a calming agent. Modern preparations use the aerial parts of Passiflora incarnata. Active constituents include flavonoids such as vitexin, isoorientin, and chrysin, which modulate the GABA system. Human trials suggest it may reduce anxiety symptoms and subjective sleep latency, though effect sizes are modest and study populations are small. It is most appropriate for adults experiencing mild situational anxiety or difficulty initiating sleep who prefer a non-habit-forming botanical option.

Proven Benefits

Reduces anxiety symptoms

Improves sleep quality

May reduce opiate withdrawal sympto

Protocol

Amount

400-800 mg

Frequency

Once or twice daily, or 1-2 hours before bed

When

30-60 minutes before bedtime for sleep; for anxiety, split into morning and evening doses with food.

Onset Time

30-60 minutes for acute calming; 1-2 weeks for sleep benefits.

Who Should Consider

Adults with mild situational anxiety

People with sleep-onset insomnia

Individuals seeking non-habit-forming calmatives

Those tapering sedatives under medical supervision

How It Works

Passionflower extracts bind to GABA-A receptors and may inhibit GABA reuptake, increasing GABAergic tone in the central nervous system. Flavonoids such as vitexin and isoorientin are thought to contribute to this mild sedative and anxiolytic effect without the same dependency risk as benzodiazepines.

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