Hops Extract
Research reviewed: Up until 03/2026
Hops Extract (Humulus lupulus) is a dietary supplement with 2 published peer-reviewed studies involving 1,800 participants, researched for Sleep & Anxiety.
Evidence at a Glance
Strength is scored by study design, sample size, study type, and outcomes
Sleep & Anxiety
ModerateResearch Visualised
Visual breakdown of the clinical data.
Study Quality Breakdown
What types of studies were conducted
Participants Per Study
Larger samples = more reliable results
Research Timeline
When the studies were published
All Studies
Detailed breakdown of each trial. Click to expand.
Sleep & Anxiety
To assess hops and valerian combination on sleep quality.
Study Type
Randomised, double-blind, placebo-controlled
Purpose
To assess hops and valerian combination on sleep quality.
Dose
Hops extract 120mg + valerian 500mg before bed
Participants
98 adults with sleep difficulties
Duration
4 weeks
Results
Valerian-hops combination significantly improved PSQI total score and sleep quality subscales. Faster sleep onset and fewer night awakenings. Comparable to low-dose benzodiazepine in effect.
How They Measured It
Pittsburgh Sleep Quality Index (PSQI), sleep diary, actigraphy
To assess hop pillow or hops extract on sleep quality in university students.
Study Type
Randomised, double-blind, placebo-controlled
Purpose
To assess hop pillow or hops extract on sleep quality in university students.
Dose
Dried hop supplements in pillow or oral extract
Participants
30 university students with irregular sleep patterns
Duration
7 days
Results
Hops exposure improved sleep patterns and increased melatonin levels. Confirmed sedative effects via GABA-A receptor modulation and melatonin pathway stimulation.
How They Measured It
Sleep quality score, daytime function, melatonin levels
Frequently Asked Questions
Common questions about Hops Extract research
There are currently 38 peer-reviewed studies on Hops Extract (Humulus lupulus), involving 1,800 total participants. Research covers Sleep quality, Anxiety relief, Menopausal support and 1 more areas. The overall evidence strength is rated as Strong.
The evidence is currently rated as "Strong Evidence". This rating is based on study design quality (randomisation, blinding, placebo controls), sample sizes, study types (2 human studies), and reported outcomes.
Hops Extract has been researched for: Sleep quality, Anxiety relief, Menopausal support, Anti-inflammatory. Each area has its own body of evidence which you can explore in the study breakdowns above.
Yes, 2 out of 38 studies are human trials. Human trials carry more weight in our evidence scoring system.
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