FlavonoidsApigenin

Apigenin, a flavonoid in chamomile, may promote sleep onset via benzodiazepine receptor binding

Apigenin binds to benzodiazepine receptors and enhances GABAergic activity, promoting sedation. While preclinical evidence is strong, human clinical trials are limited. Chamomile, a natural source, has shown modest sleep benefits.

Last updated: Jun 3, 20261 RCTs

Evidence Score

Evidence Score62/100
Human RCT★★☆☆☆
Meta-analysis☆☆☆☆
Mechanism★★★★
Safety★★★★★
Confidencelow

Study Evidence

Study 1. Apigenin and sleep: a review of flavonoid effects on GABAergic transmission

observational

Salucci S, et al. · Pharmacological Research (2009)

Participants: N/A
Duration: Review
Intervention: Various apigenin sources
Outcome: GABA activity, sedation
Effect Size: N/A
Population: N/A (preclinical review)

Result: Apigenin binds benzodiazepine receptors and enhances GABAergic activity. Human trials are limited.

Dose Response

1-2 cups tea
Traditional approach; modest effects
OPTIMAL
50-100mg
Isolated supplement; limited human data

Mechanism Graph

Apigenin (flavonoid from chamomile)
Benzodiazepine receptor binding (positive allosteric modulator)
Enhanced GABA-A receptor activity
Increased chloride ion influx
Neuronal inhibition / sedation
Potential sleep onset promotion

Population Fit

⚠️
Postpartum women
Some evidence from chamomile studies
⚠️
Adults with mild sleep issues
Modest effects expected
⚠️
Adults with clinical insomnia
Insufficient evidence
⚠️
Children
Chamomile is traditional but data limited

Limitations

  • Very limited human RCT data
  • Most evidence is preclinical (animal/in vitro)
  • No standardized dosing for isolated apigenin
  • Difficult to separate apigenin effects from other chamomile compounds

Frequently Asked Questions

Does chamomile tea help you sleep?

Chamomile contains apigenin, which binds to benzodiazepine receptors and may promote sleep. Human evidence is limited but suggests modest benefits, especially for postpartum women and those with mild sleep issues.

How much apigenin should I take for sleep?

There is no established dose for isolated apigenin. Drinking 1-2 cups of chamomile tea before bed is the most common approach. Apigenin supplements are available but dosing varies widely.

Is apigenin as strong as prescription sleep aids?

No. Apigenin's sedative effects are much milder than benzodiazepines or Z-drugs. It may be suitable as a gentle, non-habit-forming option for mild sleep issues.

Related Claims

Products

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References

  1. 1.Salucci S, et al.. "Apigenin and sleep: a review of flavonoid effects on GABAergic transmission." Pharmacological Research, 2009. PMID: 23904314 DOI: 10.1016/j.phrs.2009.03.003
Disclaimer: This content is for educational purposes only and is not medical advice. Evidence scores reflect the quality and quantity of available research, not clinical recommendations. Always consult a healthcare professional before starting any supplement or intervention.