Hops (Humulus lupulus) Extract

Hops extract supplement is derived from the female flower cones of Humulus lupulus, the same plant used in brewing, that provides GABA-A receptor agonist activity and documented sedative effects through its bitter acid compounds (humulone and lupulone) — making it a cornerstone botanical for women over 35 experiencing anxiety-driven insomnia and early menopausal sleep disruption. In element³ REST (PM Formula), hops extract is provided at 200mg standardised to 0.35% rutin, working synergistically with Valerian Root in a combination with strong clinical evidence for synergistic sleep benefits. If your sleep has become lighter and more fragmented than it used to be, and you’re noticing that anxiety follows you to bed, hops extract addresses both the GABA-mediated and phytoestrogenic dimensions of this pattern.

Hops (Humulus lupulus) Extract

[ 01 ] Key Facts

Dose in element³ REST (PM Formula): 200mg (standardised to 0.35% rutin)
Form Concentrated hop strobiles extract standardised to 0.35% rutin; contains bitter acids (humulone, lupulone) and the volatile compound 2-methyl-3-buten-2-ol, which contributes to sedative activity
Signs you may need more Light or fragmented sleep, difficulty staying asleep, evening restlessness, perimenopausal sleep disruption, anxiety at bedtime
Safe range 60–500mg dry herb equivalent per day. Clinical studies have used 100–500mg daily with good tolerability. Not recommended during pregnancy. May enhance the effects of sedative medications.

Food sources

  • Beer (in small amounts)
  • Hops tea

[ 02 ] Rationale

Why this ingredient is in element³

Hops extract’s sleep-promoting properties were initially observed centuries ago when hop pickers in European breweries reported unusual drowsiness during harvest. Modern research has identified the mechanisms behind this observation: the bitter acids humulone and lupulone modulate GABA-A receptor activity, while 2-methyl-3-buten-2-ol (a degradation product of bitter acids) has demonstrated direct sedative effects in animal models. Together, these compounds create a botanical with genuine sedative and anxiolytic properties rather than simply relaxation-promoting effects.

The critical distinction between hops and many other sleep-supportive botanicals is its demonstrated efficacy specifically in combination with Valerian Root. The hops-valerian combination has been studied in multiple randomised controlled trials and is one of the few herbal sleep combinations with a robust evidence base showing synergistic effects that exceed either ingredient alone. The European Medicines Agency (EMA) recognises this combination as a traditional herbal medicinal product for sleep disorders — a regulatory acknowledgement that few herbal combinations have achieved.

Within the REST formula, hops extract completes the three-part herbal GABA strategy. Passionflower enhances GABA-A receptor sensitivity (making receptors more responsive to GABA), Valerian Root inhibits GABA transaminase (preventing GABA breakdown), and hops extract provides direct GABA-A agonist activity (stimulating GABA receptors independently of naturally produced GABA). This triple mechanism means the REST formula increases GABA availability, enhances receptor sensitivity, and provides direct receptor stimulation simultaneously — a comprehensive approach to GABAergic sleep support.

Hops extract also brings a benefit unique among the REST botanicals: emerging evidence for menopausal symptom relief. The phytoestrogen 8-prenylnaringenin (8-PN), found in hops, is a plant-derived oestrogen receptor modulator with documented activity. While the concentrations in standardised sleep extracts are modest, research suggests they may contribute to reduced hot flush frequency and improved sleep quality specifically in menopausal and perimenopausal women. This makes hops a dual-purpose ingredient in REST: supporting sleep through GABA pathways while potentially easing the hormonal sleep disruption that is characteristic of the 35+ demographic.

At 20mg, hops is dosed as a synergistic partner to valerian rather than as a standalone sedative. The valerian-hops pairing is effective at lower hops levels than hops would need on its own, and this dose provides meaningful bitter-acid content for GABA-A modulation while keeping the overall REST formula balanced and well tolerated.


[ 03 ] At 35+

Relevant at 35+

Sleep architecture undergoes significant changes after 35 that make hops extract’s specific mechanisms increasingly relevant. Deep (slow-wave) sleep decreases, sleep fragmentation increases, and the ability to stay asleep through the night diminishes. These changes accelerate during perimenopause as fluctuating oestrogen and progesterone levels directly affect sleep regulation. Hops extract addresses this pattern through both its GABA-A sedative activity (promoting deeper sleep) and its phytoestrogenic properties (potentially moderating the hormonal disruption that fragments sleep).

The HPA axis dysregulation that accompanies chronic stress in this age group further compounds sleep problems. Elevated evening cortisol prevents the normal transition to parasympathetic (rest) nervous system activity, keeping the brain in a state of alertness even when the body is exhausted. Hops extract’s direct GABA-A agonism provides a pharmacological counterweight to this cortisol-driven alertness, supporting the neural shift toward sleep even when the hormonal environment is working against it.

For women experiencing the specific combination of hot flushes, night sweats, and insomnia that characterises perimenopause, hops extract offers a uniquely targeted intervention. The 8-prenylnaringenin content addresses the hormonal dimension of sleep disruption while the bitter acids address the neurological dimension. This dual mechanism is particularly valuable because perimenopausal insomnia is rarely caused by a single factor — it is typically the result of hormonal shifts, cortisol dysregulation, and GABA system inefficiency acting simultaneously.


[ 04 ] Your Questions

Your Questions

What is hops extract?

Hops (Humulus lupulus) is the cone-shaped flower of the hop plant, most widely known as a bittering and flavouring agent in beer. Beyond brewing, the female hop strobiles contain a range of bioactive compounds — bitter acids (humulone and lupulone), the volatile compound 2-methyl-3-buten-2-ol, and flavonoids including rutin — that have well-documented sedative and anxiolytic properties. These compounds modulate GABA-A receptors and influence melatonin receptor activity, contributing to sleep promotion through mechanisms distinct from the alkaloid-based effects of many pharmaceutical sleep aids.

What are the benefits of taking hops extract?

Hops extract supports sleep quality and anxiety reduction through GABA-A receptor modulation and potential melatonin pathway interaction. Clinical research has demonstrated reductions in sleep latency (time to fall asleep), improvements in sleep quality scores, and reductions in nighttime waking with hops supplementation. It also shows benefits for menopausal symptoms including hot flushes and sleep disturbance, which are particularly relevant to element³’s target demographic. The combination of hops with valerian root — as used in element³ REST — has a stronger evidence base than either ingredient alone.

What are the benefits of hops extract in the element³ protocol?

In element³ REST, hops extract at 200mg (standardised to 0.35% rutin) adds a distinct GABA-A modulating mechanism to the sleep stack alongside valerian (GABA transaminase inhibition), passionflower (GABA-A receptor modulation via isovitexin), and magnesium glycinate (GABA-A receptor activation). The valerian-hops combination in REST is specifically supported by clinical research showing synergistic sleep benefits greater than either herb alone. Hops also addresses perimenopausal sleep disruption specifically — clinical trials have shown reductions in hot flush frequency and severity, making it particularly relevant for women in their late 30s and 40s.

What is the recommended daily intake of hops extract?

There is no established RDI for hops extract. Clinical research has used doses from 100mg to 500mg dry herb equivalent per day, with sleep and menopausal benefits demonstrated across this range. element³ REST provides 200mg standardised to 0.35% rutin per serve, within the lower-to-mid range of doses used in clinical research and appropriate for daily use within a comprehensive multi-ingredient formula. No upper intake level has been established; hops extract has an excellent safety profile across clinical doses. It is not recommended during pregnancy, and may enhance the effects of sedative medications.

What food provides hops extract?

Hops are found in beer, though the concentrations of active sedative compounds vary enormously depending on hop variety, brewing method, and alcohol content. A glass of beer is not a practical source of therapeutic hops — the alcohol content would counteract any sleep benefits, and the hops dose would be unpredictable. Hops tea made from dried strobiles is a traditional herbal preparation with some sedative activity, though less standardised than the extract in element³ REST. Supplementation is the only reliable route to the consistent, therapeutic doses used in clinical research.

Are there any hops extract side effects?

Hops extract is well-tolerated in clinical research with minimal side effects reported. Mild drowsiness is the most common effect, appropriate given REST’s evening use. Hops is contraindicated during pregnancy and is not recommended for individuals with hormone-sensitive conditions (such as oestrogen receptor-positive cancers) without medical advice, due to its phytoestrogen content (8-PN). Those taking sedative medications, benzodiazepines, or alcohol should exercise caution, as additive CNS depression is possible. People with known allergies to hops or related plants in the Cannabaceae family should avoid hops extract.

What form of hops is in the element³ blend?

element³ REST uses a concentrated hops strobiles extract standardised to 0.35% rutin. Standardisation to rutin content ensures batch-to-batch consistency in flavonoid concentration. The extract also retains the bitter acids (humulone, lupulone) and volatile compounds that contribute to hops’ sedative effects, making it a broad-spectrum hops preparation rather than a single-compound isolate. element³ pairs hops with valerian root in REST — a combination with clinical research support for synergistic sleep benefits beyond either herb alone.

[ 05 ] The Research

5 studies

The Research

Study Key finding Why it's here Read
A first prospective, randomized, double-blind, placebo-controlled study on the use of a standardized hop extract to alleviate menopausal discomfortsHeyerick, A., Vervarcke, S., Depypere, H., Bracke, M., & De Keukeleire, D. (2006). A first prospective, randomized, double-blind, placebo-controlled study on the use of a standardized hop extract to alleviate menopausal discomforts. Maturitas, 54(2), 164–175. https://doi.org/10.1016/j.maturitas.2005.10.005
Standardised hop extract significantly reduced the Kupperman menopause index and hot-flash frequency vs placebo.
Supports calm and balance through menopause.
Read →
Effect of a fixed valerian-Hop extract combination (Ze 91019) on sleep polygraphy in patients with non-organic insomnia: a pilot studyFüssel, A., Wolf, A., & Brattström, A. (2000). Effect of a fixed valerian-Hop extract combination (Ze 91019) on sleep polygraphy in patients with non-organic insomnia: A pilot study. European Journal of Medical Research, 5(9), 385–390.
Valerian–hop combination significantly improved polysomnographic sleep efficiency and slow-wave sleep in adults with non-organic insomnia.
Supports deep sleep alongside valerian.
Read →
Effect of a hop extract standardized in 8-prenylnaringenin on bone health and gut microbiome in postmenopausal women with osteopenia: A one-year randomized, double-blind, placebo-controlled trial.Lecomte, M., Tomassi, D., Rizzoli, R., Tenon, M., Berton, T., Harney, S., & Fança-Berthon, P. (2023). Effect of a hop extract standardized in 8-prenylnaringenin on bone health and gut microbiome in postmenopausal women with osteopenia: A one-year randomized, double-blind, placebo-controlled trial. Nutrients, 15(12), 2688. https://doi.org/10.3390/nu15122688
12 months of standardised hop extract attenuated bone loss markers and beneficially modulated the gut microbiome in postmenopausal women.
Supports women's health through menopause.
Read →
The effect of Hop (Humulus lupulus L.) on early menopausal symptoms and hot flashes: A randomized placebo-controlled trialAghamiri, V., Mirghafourvand, M., Mohammad-Alizadeh-Charandabi, S., & Nazemiyeh, H. (2016). The effect of Hop (Humulus lupulus L.) on early menopausal symptoms and hot flashes: A randomized placebo-controlled trial. Complementary Therapies in Clinical Practice, 23, 130–135. https://doi.org/10.1016/j.ctcp.2015.05.001
Hop extract significantly reduced hot-flash frequency and early menopausal symptom scores vs placebo.
Supports menopausal symptom relief.
Read →
Read →

[ 06 ] In the Protocol

Where Hops (Humulus lupulus) Extract sits in the element³ Protocol

In REST (PM Formula), Hops Extract at 20mg (0.35% rutin) provides direct GABA-A agonist activity through its bitter acid compounds, completing the three-part herbal GABA strategy alongside Passionflower (receptor sensitisation) and Valerian Root (GABA preservation). The hops-valerian pairing is recognised by the European Medicines Agency as a traditional herbal medicinal product for sleep disorders. Hops also brings unique phytoestrogenic properties through 8-prenylnaringenin, offering potential menopausal symptom relief that no other REST ingredient provides. Taken in the evening alongside L-theanine, Ashwagandha Sensoril®, dual-form magnesium, and Zinc, hops extract completes the herbal GABA strategy in REST, adding direct receptor agonism to the combination.

You can learn more about the full element³ ingredient philosophy at element3.co.nz.