Hops and Valerian: study protocols

4 study groups took Hops together with Valerian. These are the doses the studies gave. They are not a recommendation.

Fewer than 5 study groups in one unit match, too few to draw the chart.

Commonly used together

1 of 4 study groups took Hops and Valerian with something else, but nothing that 3 or more different studies gave.

4 study groups

Study
Valerian-hops combination and diphenhydramine for treating insomnia: a randomized placebo-controlled clinical trial 2005 · valerian-hops combination · Adults with mild insomnia; mean age 44.3 years; 110 women and 74 men across the study	41.9 mg	187 mg	4 weeks	59
Efficacy and safety of a polyherbal sedative-hypnotic formulation NSF-3 in primary insomnia in comparison to zolpidem: a randomized controlled trial 2013 · NSF-3 group · Adults of either sex diagnosed with primary insomnia	30 mg	300 mg	2 weeks	39
Sleep improving effects of a single dose administration of a valerian/hops fluid extract - a double blind, randomized, placebo-controlled sleep-EEG study in a parallel design using electrohypnograms 2008 · verum · Poor sleepers identified by the validated sleep questionnaire SF-B; age and sex not reported	2 mL	2 mL	1 day	20
Effects of a Valerian-Hops Extract Combination (Ze 91019) on Sleep Duration and Daytime Cognitive and Psychological Parameters in Occasional Insomnia: A Randomized Controlled Feasibility Trial 2025 · Ze 91019 · Healthy men and women aged 18–65 with occasional sleep problems and subjective cognitive difficulties, without diagnosed insomnia	120 mg	500 mg	3 weeks	18