Hops for Insomnia
ABased on 16 studies (2 meta-analyses, 3 RCTs) with 275 total participants. 12/16 studies show positive effects.
The Bottom Line
Based on 16 studies (2 meta-analyses, 3 RCTs) with 275 total participants. 12/16 studies show positive effects.
Key Study Findings
Population: Adults with occasional sleep problems
Population: Drosophila melanogaster (fruit flies)
Key Statistics
16
Studies
275
Participants
Positive
Grade
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Commonly Used Dosages
- sleep:
- 300-500 mg extract, 30-60 min before bed; often combined with valerian
Upper limit: Not formally established
Dosages Studied in Research
| Dosage | Duration | Effect | N |
|---|---|---|---|
| None | 3 weeks | Positive | 40 |
| None | -- | Positive | 51 |
| varies by supplement | -- | Positive | -- |
| varies by product and study | -- | Mixed | -- |
| None | -- | Positive | -- |
| valerian/hops mixture (20 mg/mL valerian) | -- | Positive | -- |
| None | -- | Positive | -- |
| None | -- | Positive | -- |
Best taken: 30-60 minutes before bed; commonly used with valerian root for synergistic effects
Safety & Side Effects
Reported Side Effects
- ⚠ Drowsiness (intended effect)
- ⚠ Mild estrogenic effects (theoretical from prenylated flavonoids)
- ⚠ Allergic reactions in hop-sensitive individuals
Known Interactions
- ● Sedatives and CNS depressants — additive effects
- ● Estrogen-sensitive conditions — hops contain phytoestrogens
- ● CYP450 substrates — mild enzyme inhibition reported
Tolerable upper intake: Not formally established
Always consult your healthcare provider before starting any supplement.
Frequently Asked Questions
Does Hops help with Insomnia?
How much Hops should I take for Insomnia?
Are there side effects of Hops?
How strong is the evidence for Hops and Insomnia?
Related Evidence
Other ingredients for Insomnia
Hops for other conditions
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.