We use essential cookies (authentication, your saved goals/stack) by default. With your permission we'll also enable privacy-respecting analytics (Vercel Web Analytics, anonymous load-time metrics) and error-replay diagnostics (Sentry — DOM snapshots only when an error fires) so we can fix bugs faster. Learn more about cookies
Hops (Humulus lupulus)
The flowering cone of the hop plant, traditionally used as a mild sedative for sleep and restlessness. Nearly all positive clinical evidence comes from fixed valerian-hops combinations — standalone hops trials are scarce, so its independent effect is poorly established (Emerging).
What the evidence says
Most Hops studies are mechanism or observational rather than RCTs that measure a clinical effect — keep findings provisional.
Most evidence is from medium-quality randomised trials published 2007–2025 with a typical study size of 171 participants.
Based on 4 studies · 4 RCTs
Confidence
ModerateBy outcome
Hops has an evidence score of 3.5/10 — emerging evidence based on 4 indexed studies. The flowering cone of the hop plant, traditionally used as a mild sedative for sleep and restlessness. Nearly all positive clinical evidence comes from fixed valerian-hops combinations — standalone hops trials are scarce, so its independent effect is poorly established (Emerging). Representative study: PMID 17486686.
The commonly studied dose of Hops is Commonly 300-500mg dried hop strobile extract before bed; combination products use a fixed valerian-hops ratio per their label. Individual needs vary — start at the lower end of the range and adjust based on how you respond.
Explore: Best supplements for SleepBest supplements for Focus, Memory & Mood
Last reviewed June 2026 · evidence from 4 studies · how we score
This information is for educational purposes only. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement or medication.
Hops (Humulus lupulus) are the female flowering cones best known for flavoring beer, but they have a long traditional use as a mild sedative and sleep aid. The proposed mechanism centers on the bitter acids and the degradation product 2-methyl-3-buten-2-ol, plus possible interaction with melatonin and GABA/serotonin signaling. The honest evidence picture is thin and entangled: the studies that show benefit almost all test fixed valerian-hops combinations (e.g. Ze 91019), where it is impossible to isolate the hops contribution — and one combination trial showed hops only helped sleep latency when added to valerian, with valerian alone failing to beat placebo. Combination trials report modest gains: shorter sleep latency, deeper sleep on EEG, and roughly 20 extra minutes of sleep duration in occasional insomnia. Standalone hops trials are sparse and underpowered, and at least one multi-ingredient formulation containing hops showed no benefit over placebo. So hops is biologically plausible and well-tolerated, but as a solo supplement its sleep and anxiety effects remain unproven.
Hop constituents and the degradation product 2-methyl-3-buten-2-ol are proposed to enhance GABAergic, sedative-type signaling.
Some hop compounds may interact with melatonin receptors, supporting sleep onset (preliminary).
Hops appear to potentiate valerian's effect on sleep latency in fixed-combination products — the main source of positive evidence.
How Hops works — from molecular targets to health outcomes. Click an edge to see supporting research.This visualization is in beta — pathways are being refined and expanded.
Tap node to isolate • Pinch to zoom • Tap edge for research
Commonly 300-500mg dried hop strobile extract before bed; combination products use a fixed valerian-hops ratio per their label
Can be taken without food
| Form | Type |
|---|---|
| 💊Valerian-hops fixed combination | Recommended |
| 💊Standalone hops extract | Alternative |
Combination products carry the clinical evidence; standalone hops is traditional rather than trial-proven.
Minimum: 2 weeks
Optimal: 4 weeks
Cycling: Not required
Note: Take 30-60 minutes before bed for sleep support.
Dose-response data unavailable. The current published research for Hops does not provide sufficient dose-specific outcome data to generate reliable dose-response curves.
Refer to the Dosage & Timing section above for recommended dose ranges based on available evidence.
Valerian-hops combinations significantly reduced time to fall asleep versus placebo, where valerian alone did not.
A 2025 feasibility RCT found a valerian-hops combination added ~22 minutes of mean sleep duration in occasional insomnia.
Benefits seen in combinations cannot be attributed to hops alone; solo hops trials are scarce and a multi-ingredient hops formula showed no benefit over placebo.
Use caution — additive CNS depression.
Discuss with a clinician due to phytoestrogen content.
Insufficient data — avoid.
Additive sedation is possible; avoid combining with alcohol or other sedatives.
Hops contain the potent phytoestrogen 8-prenylnaringenin; theoretical interaction with hormone-sensitive conditions or therapies.
Tip: Take only at bedtime; reduce dose
Tip: Take with food
The best time to take Hops is before bed. It can be taken on an empty stomach. Taken roughly 30-60 minutes before bedtime for sleep; no human-trial-validated standalone dose exists, so combination-product dosing is the practical reference.
Hops is generally well-tolerated and considered safe for most healthy adults at recommended doses. The most commonly reported side effects are daytime drowsiness, mild GI upset. Use caution if any of these apply to you: Pregnancy/breastfeeding (insufficient data; phytoestrogen content); Hormone-sensitive conditions (theoretical, due to 8-prenylnaringenin phytoestrogen); Depression (traditional caution given sedative profile).
Mint-family herb that modulates GABA for mild anxiety relief and sleep support — well-suited for daily use without sedation.