Hops 340 mg Ingredients & Drug Interactions
by Solaray
What is this page for?
First and foremost: checking Hops 340 mg against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
Hops 340 mg is a dietary supplement by Solaray with 1 active ingredient. Its ingredients are commonly taken for sleep problems and insomnia, anxiety and restlessness, menopausal symptoms.Based on those ingredients, 863 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Hops. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Hops 340 mg by Solaray
Ask about any prescription or over-the-counter medication and we check it for interactions with Hops 340 mg by Solaray — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
Ask the Pharmacist
A licensed pharmacist will answer your question by email — free, usually within 24 hours.
Got it — thank you!
A licensed pharmacist will answer within 24 hours. Keep an eye on your email (worth checking spam, just in case).
HelloPharmacist Scorecard of Hops 340 mg by Solaray
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
This product contains one active ingredient: hops, 340 mg per capsule. Hops is the flowering part of a plant in the beer family, used here as a dietary supplement.
The capsule also contains inactive ingredients — cellulose, rice extract blend, and silica — which are fillers and binding agents.
Does it work?
Couldn't assess
The evidence we hold doesn't establish that hops works for any of these uses. The effectiveness rating for anxiety, insomnia, cognitive decline, sexual function, ADHD, and indigestion is all the same: insufficient reliable evidence.
That doesn't mean it doesn't work — it means the studies so far aren't solid enough for us to say either way.
How safe is it?
Well-documented data
Hops is generally well tolerated for short-term use but may cause drowsiness, and we don't have much data on what happens if you take it long-term. The main concern is during pregnancy — there isn't enough safety information, so it's best avoided.
Breastfeeding safety is also unknown, so it's not recommended while nursing. Some people have had allergic skin reactions after touching fresh hops plants, though that's less likely from a supplement capsule.
Meds to double-check
Moderate interaction found
Check with us before using this if you take sedative or sleep medications, hormone replacement therapy, or any drug processed by your liver — including blood pressure pills, heart medications, cancer drugs, or antidepressants. No interactions are documented for the CYP1A2 and CYP3A4 enzyme systems at typical doses, but the potential exists.
The bottom line
Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
If you're looking to try hops for sleep or anxiety, understand that the evidence doesn't yet support its use for these. Anyone on sedatives or hormone therapy should check with us first.
Pregnant or breastfeeding? Skip this one for now.
Talk to your pharmacist before adding it, especially if you take multiple medications.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Sep 25, 2025.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about Hops 340 mg, straight from the product label.
| Brand | Solaray |
|---|---|
| Barcode (UPC) | 076280113303 |
| Net contents | 100 VegCap(s) |
| Market status | On market |
| Date entered into DSLD | Sep 25, 2025 |
| DSLD ID | 339010 |
| Product type | Botanical |
| Supplement form | Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Vegan, Vegetarian, Adult (18 - 50 Years), Dairy Free |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for Hops 340 mg by Solaray, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Hops | 340 mg | -- |
Other ingredients: Cellulose, Rice extract Blend, Silica
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Brand IP Statement(s)
Solaray Est. 1973 A brighter way 1973
Formulation
Herbal Support
Vegan
FDA Statement of Identity
Dietary Supplement
Seals/Symbols
Lab verified Vegan
General Statements
Since 1973, we've scoured the globe for the highest quality ingredients, connecting you with the most efficacious supplements that help you live brighter & embrace the moments that matter most.
100% PCR bottles
True Herbs
Precautions
Warning: Do not use if safety seal is broken or missing. Keep your licensed health care practitioner informed when using this product.
Keep out of reach of children.
Directions: Use only as directed.
Suggested/Recommended/Usage/Directions
Directions: Use only as directed. Take 1 vegcap daily with a meal or glass of water.
Storage
Store in a cool, dry place.
Formula
Discussion: Hops are the flowers, also called cones, of the hops plant. Hops is native to northern Europe, where it has been cultivated for beer brewing since the 8th century. Studies suggest that hops may possess calming properties and promote restful sleep.
FDA Disclaimer Statement
These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Hops 340 mg by Solaray label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in Hops 340 mg by Solaray
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size1 VegCap(s) Dosage formCapsule Servings per container100 Amounts shown are per serving.
Hops
Interacts with863 drugs
Hops are most often used for sleep and mild anxiety, frequently combined with valerian, but the human evidence is limited and not very strong. They ar...
Hops monograph & interactionsOther (inactive) ingredients: Cellulose, Rice extract Blend, Silica. These complete the product’s ingredient list but are not active constituents.
Hops 340 mg by Solaray Drug Interactions
HelloPharmacist Interaction Report
Hops 340 mg by Solaray does interact with some medications.
The most serious concern is with sedative drugs (CNS depressants) — hops can add to their drowsiness effect, and animal research suggests hops itself has sedative properties. If you take sleep aids, anxiety medication, or other drugs that make you drowsy, this is worth a conversation with us before you start.
Read the full breakdown — every affected drug type, severity by severity
Estrogens, including hormone replacement therapy, may also be affected. In theory, hops could interfere with how your estrogen works by competing for the same receptors in your body.
The amount matters here — most hops extracts contain only small amounts of the active parts that do this, but if you're on HRT, we'd want to check.
Hops may have minor effects on how your liver breaks down certain blood pressure, heart, and cancer medications (CYP3A4 substrates) and some others used for depression and pain (CYP1A2 substrates). The research is mixed — one study found no real impact at typical doses, but theory suggests it's possible.
Altogether, these interactions span 853 individual medications. The safest move is to run your exact prescriptions through the checker below before you add this.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Hops 340 mg?
Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.
Go to the checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Hops 340 mg interact with 863 drugs. Click any drug to see the details.
1 of the 1 ingredient in Hops 340 mg interact with drugs. Each result below shows which ingredient is responsible. Hops
Ado-trastuzumab EmtansineKadcyla
How Ado-trastuzumab Emtansine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Ado-trastuzumab Emtansine interactionAbemaciclibVerzenio
How Abemaciclib interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Abemaciclib interactionAbiraterone
How Abiraterone interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Abiraterone Acetate interactionAcalabrutinibCalquence
How Acalabrutinib interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Acalabrutinib interactionAcetaminophenChildren's Tylenol, Children's Tylenol Meltaways, Tylenol, Tylenol Ex Strength
How Acetaminophen interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu
How Acetaminophen, Brompheniramine, Phenylpropanolamine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionAcetaminophen, ButalbitalAxocet, Bancap, Bucet, Butex Forte, Esgic CF, Orbivan CF +5 more
How Acetaminophen, Butalbital interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Butalbital interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Caffeine, Isometheptene interactionAcetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual
How Acetaminophen, Caffeine, Pyrilamine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Acetaminophen, Caffeine, Pyrilamine interactionAcetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief
How Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAcetaminophen, Chlorpheniramine, DextromethorphanCoricidin II Extra Strength Cold and Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionAcetaminophen, Chlorpheniramine, Dextromethorphan HydrobromideCoricidin HBP Maximum Strength Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PhenylpropanolamineMulti Symptom Cold Relief
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PseudoephedrineChildren's Tylenol Cold Plus Cough, Tylenol Cold Ex Strength
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interactionAcetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, SalicylamideRhinogesic GG
How Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylephrineAlka-Seltzer PLUS, Histex SR, Protid
How Acetaminophen, Chlorpheniramine, Phenylephrine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Acetaminophen, Chlorpheniramine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, Phenylephrine, SalicylamideRhinogesic, Rhinogesic JR
How Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylpropanolamineAlumadrine, Conex, Sinadrin Max Strength, Sinulin
How Acetaminophen, Chlorpheniramine, Phenylpropanolamine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Acetaminophen, Chlorpheniramine, Phenylpropanolamine interactionAcetaminophen, Chlorpheniramine, Phenylpropanolamine, PhenyltoloxamineNorel Plus
How Acetaminophen, Chlorpheniramine, Phenylpropanolamine, Phenyltoloxamine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Chlorpheniramine, Phenylpropanolamine, Phenyltoloxamine interactionAcetaminophen, Chlorpheniramine, PseudoephedrineAlka-Seltzer PLUS Liquid Gels, Children's Tylenol Cold, Codimal, Comtrex, Extra Strength Tylenol Allergy Sinus, Lorsin +3 more
How Acetaminophen, Chlorpheniramine, Pseudoephedrine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Acetaminophen, Chlorpheniramine, Pseudoephedrine interactionAcetaminophen, ChlorzoxazoneAcetazone Forte, Extra Strength Tylenol Aches & Strains, Parafon Forte
How Acetaminophen, Chlorzoxazone interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Chlorzoxazone interactionAcetaminophen, Dexbrompheniramine, PseudoephedrineSinadrin Plus
How Acetaminophen, Dexbrompheniramine, Pseudoephedrine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Dexbrompheniramine, Pseudoephedrine interactionAcetaminophen, DextromethorphanTylenol Cough Ex Strength
How Acetaminophen, Dextromethorphan interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Dextromethorphan interactionAcetaminophen, Dextromethorphan, Doxylamine, PseudoephedrineVicks NyQuil
How Acetaminophen, Dextromethorphan, Doxylamine, Pseudoephedrine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Dextromethorphan, Doxylamine, Pseudoephedrine interactionAcetaminophen, Dextromethorphan, Guaifenesin, PhenylephrineConar-A
How Acetaminophen, Dextromethorphan, Guaifenesin, Phenylephrine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops + Acetaminophen, Dextromethorphan, Guaifenesin, Phenylephrine interactionAcetaminophen, Dextromethorphan, Guaifenesin, PhenylpropanolamineAnatuss
How Acetaminophen, Dextromethorphan, Guaifenesin, Phenylpropanolamine interacts with Hops 340 mg — through 1 ingredient. Tap an ingredient for the detail:
HopsCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Read the full Hops + Acetaminophen, Dextromethorphan, Guaifenesin, Phenylpropanolamine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Hops 340 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.
Hops
Cns Depressants
Theoretically, concomitant use of hops with sedative drugs might cause additive sedation.
Some animal research shows that hops has sedative effects.
Estrogens
Theoretically, concomitant use of large amounts of hops might interfere with hormone replacement therapy due to competition for estrogen receptors.
In vitro research suggests that certain hops constituents can competitively bind to estrogen receptors. However, most hops extracts contain very small amounts of these constituents.
Cytochrome P450 1A2 (Cyp1A2) Substrates
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
In vitro research suggests that flavonoid constituents of hops inhibit CYP1A2 enzyme activity. However, a pharmacokinetic study in healthy postmenopausal patients shows that taking a standardized extract of spent hops containing prenylated phenols, as 59.5 mg twice daily for 2 weeks, does not affect levels of caffeine, a CYP1A2 probe substrate.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, hops extract might alter metabolism of CYP3A4 substrates; however, this effect may not be clinically significant.
Animal research suggests that specific constituents of hops, called lupulones, can induce hepatic CYP3A4 enzyme activity. However, a pharmacokinetic study in healthy postmenopausal patients with normal metabolism shows that taking a standardized extract of spent hops containing prenylated phenols, as 59.5 mg twice daily for 2 weeks, decreases the concentration of alprazolam, a CYP3A4 probe substrate, by 7.6%. This reduction is unlikely to be clinically relevant.
Brand information
Manufacturer and brand details for Hops 340 mg, from the product label.
Hops 340 mg by Solaray: Common Questions
Does Hops 340 mg by Solaray interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Will hops make me drowsy?
Is hops safe during pregnancy?
Can I take hops while breastfeeding?
Does hops actually work for sleep or anxiety?
What's in this capsule besides hops?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Hops 340 mg is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
The Full Monographs Behind Hops 340 mg’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Hops 340 mg's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 15 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Hops 15 references
- Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
- McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
- Zava DT, Dollbaum CM, Blen M. Estrogen and progestin bioactivity of foods, herbs, and spices. Proc Soc Exp Biol Med 1998;217:369-78. PubMed
- Milligan SR, Kalita JC, Heyerick A, et al. Identification of a potent phytoestrogen in hops (Humulus lupulus L.) and beer. J Clin Endocrinol Metab 1999;84:2249-52.. PubMed
- Milligan SR, Kalita JC, Pocock V, et al. The endocrine activities of 8-prenylnaringenin and related hop (Humulus lupulus L.) flavonoids. J Clin Endocrinol Metab 2000;85:4912-5.. DOI
- Henderson MC, Miranda CL, Stevens JF, et al. In vitro inhibition of human P450 enzymes by prenylated flavonoids from hops, Humulus lupulus. Xenobiotica 2000;30:235-51.. PubMed
- Mannering, G. J., Shoeman, J. A., and Deloria, L. B. Identification of the antibiotic hops component, colupulone, as an inducer of hepatic cytochrome P-4503A in the mouse. Drug Metab Dispos 1992;20(2):142-147. DOI
- Skorska, C., Mackiewicz, B., Gora, A., Golec, M., and Dutkiewicz, J. Health effects of inhalation exposure to organic dust in hops farmers. Ann.Univ Mariae.Curie Sklodowska [Med] 2003;58(1):459-465.
- Schiller, H., Forster, A., Vonhoff, C., Hegger, M., Biller, A., and Winterhoff, H. Sedating effects of Humulus lupulus L. extracts. Phytomedicine. 2006;13(8):535-541. PubMed
- van Hunsel, F. P. and Kampschoer, P. [Postmenopausal bleeding and dietary supplements: a possible causal relationship with hop- and soy-containing preparations]. Ned.Tijdschr.Geneeskd. 2012;156(41):A5095.
- Fenselau, C. and Talalay, P. Is oestrogenic activity present in hops? Food Cosmet.Toxicol. 1973;11(4):597-602. PubMed
- Godnic-Cvar, J., Zuskin, E., Mustajbegovic, J., Schachter, E. N., Kanceljak, B., Macan, J., Ilic, Z., and Ebling, Z. Respiratory and immunological findings in brewery workers. Am J Ind Med 1999;35(1):68-75. DOI
- Lee KM, Jung JS, Song DK, and et al. Effects of Humulus lupulus extract on the central nervous system in mice. Planta Med 1993;59(Suppl):A691.
- Assessment report on Humulus lupulus L., flos. European Medicines Agency, 2014. Available at: https://www.ema.europa.eu/en/documents/herbal-report/final-assessment-report-humulus-lupulus-l-flos_en.pdf. Accessed September 29, 2021.
- van Breemen RB, Chen L, Tonsing-Carter A, et al. Pharmacokinetic Interactions of a Hop Dietary Supplement with Drug Metabolism in Perimenopausal and Postmenopausal Women. J Agric Food Chem. 2020;68(18):5212-5220. PubMed
Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC