HormonesMelatonin

Valerian, hops, and melatonin may improve sleep quality and reduce insomnia symptoms

This literature review suggests that certain supplements, particularly valerian, hops, and melatonin, could be effective in improving sleep quality and reducing insomnia symptoms. However, the strength of evidence varies, and optimal dosages, formulations, and treatment durations are not established.

Last updated: Aug 29, 2026•0 RCTs•📖 Read as article →

Evidence Score

Evidence Score32/100
Human RCT☆☆☆☆☆
Meta-analysis☆☆☆☆☆
Mechanism★★★☆☆
Safety★★★★☆
Confidencelow

Study Evidence

Study 1. Herbal and Natural Supplements for Improving Sleep: A Literature Review.

observational

Yeom JW, Cho CH · Psychiatry investigation (2024)

Participants: N/A
Duration: N/A
Intervention: Herbal and natural supplements including valerian, hops, and melatonin
Outcome: Sleep quality and insomnia symptoms
Effect Size: N/A
Population: Individuals with insomnia or sleep disorders (general population)

Result: This literature review suggests that certain supplements, particularly valerian, hops, and melatonin, could be effective in improving sleep quality and reducing insomnia symptoms. However, the strength of evidence varies, and optimal dosages, formulations, and treatment durations are not established.

PubMed: 39086164DOI: 10.30773/pi.2024.0121

Mechanism Graph

Supplements modulate neurotransmitter systems
↓
Regulation of sleep-wake cycles
↓
Potential improvement in sleep quality and reduction of insomnia symptoms

Limitations

  • ⚠Strength of evidence varies across supplements
  • ⚠Optimal dosages, formulations, and treatment durations are not established
  • ⚠Quality and purity of supplements vary widely due to lack of strict regulations

Frequently Asked Questions

Which supplements are most effective for sleep?▼

The review suggests valerian, hops, and melatonin may be effective, but evidence strength varies.

Are herbal sleep supplements safe?▼

Generally considered safe, but there are risks such as rare serious adverse effects with kava and potential interactions with prescription medications.

What is the recommended dosage for these supplements?▼

Optimal dosages are not established; more research is needed.

Should I use herbal supplements for insomnia?▼

They may offer promising alternatives or adjunct treatments, but use should be guided by best available evidence and individual patient requirements.

Products

Affiliate links coming soon. We only recommend products that match the doses and forms used in the cited research.

References

  1. 1.Yeom JW, Cho CH. "Herbal and Natural Supplements for Improving Sleep: A Literature Review.." Psychiatry investigation, 2024. PMID: 39086164 DOI: 10.30773/pi.2024.0121
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.