Hops Extract Ingredients & Drug Interactions
What is this page for?
First and foremost: checking Hops Extract 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 Extract is a dietary supplement by BulkSupplements.com 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 Flower Extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Hops Extract by BulkSupplements.com
Ask about any prescription or over-the-counter medication and we check it for interactions with Hops Extract by BulkSupplements.com — 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
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HelloPharmacist Scorecard of Hops Extract by BulkSupplements.com
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 a single active ingredient: hops flower extract, a concentrated form of the plant used in brewing and traditional herbal medicine. The extract form means the hops compounds are concentrated, so you're getting more of the plant's active constituents per dose than you would from a tea or whole flower.
Does it work?
Couldn't assess
The evidence on hops for what it's commonly used for—anxiety, insomnia, cognitive decline, sexual function, ADHD, and digestive upset—is not yet established in the data we hold. That doesn't mean it won't work for you, but there isn't enough reliable research behind it yet to make a confident claim about any of those uses.
How safe is it?
Well-documented data
Hops is generally well tolerated in the short term, but drowsiness is a known effect—don't drive or operate machinery if it makes you sleepy. Long-term safety hasn't been well studied, so using it daily for months or years is less certain.
The safety data advises against hops during pregnancy. We don't have enough safety information to recommend it while breastfeeding, so talk with your doctor or pharmacist before use if you're nursing.
Meds to double-check
Moderate interaction found
Check with your doctor or pharmacist before using hops if you take any CNS depressants (sedatives, sleep aids, anti-anxiety drugs, or opioids)—the combined drowsy effect could be unsafe. Also flag it if you use hormone replacement therapy or estrogen-based birth control, or if you take medications that depend on your liver's CYP1A2 or CYP3A4 enzymes to work.
Your pharmacist can tell you which of your drugs fall into those categories.
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.
Hops extract might appeal to you if you're interested in natural support for sleep or anxiety, but the evidence for those uses isn't yet established. It does interact with sedatives and theoretically with hormone therapy and certain liver-metabolized drugs, so clear it with your own doctor or pharmacist before starting—especially if you take any of those types.
It's not for pregnancy or breastfeeding.
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 Jul 18, 2023.
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 Extract, straight from the product label.
| Brand | BulkSupplements.com |
|---|---|
| Barcode (UPC) | X002O5L9EV |
| Net contents | 100 Gram(s); 3.5 Ounce(s) |
| Market status | On market |
| Date entered into DSLD | Jul 18, 2023 |
| DSLD ID | 294428 |
| Product type | Botanical |
| Supplement form | Powder |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free, 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 Extract by BulkSupplements.com, sourced from the NIH Dietary Supplement Label Database.
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)
BulkSupplements.com Clean & Pure Bulk Supplements
FDA Disclaimer Statement
Warning: This product is not intended to diagnose, treat, cure or prevent any disease.
Precautions
Always consult a physician before taking any dietary supplement.
Keep out of reach of children.
Formulation
Free of: Added Sugar, Soy, Dairy, Yeast, Gluten.
Suggested/Recommended/Usage/Directions
Suggested Use: As a dietary supplement, take 500 mg (about 1/5 tsp) once daily, or as directed by a physician.
Storage
Store in a dry, cool place.
General Statements
New
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Hops Extract by BulkSupplements.com 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 Extract by BulkSupplements.com
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size500 Milligram(s) Dosage formPowder Servings per container200 Amounts shown are per serving.
Hops Flower Extract
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 Flower Extract monograph & interactionsOther (inactive) ingredients: None. These complete the product’s ingredient list but are not active constituents.
Hops Extract by BulkSupplements.com Drug Interactions
HelloPharmacist Interaction Report
Hops Extract by BulkSupplements.com does interact with medications, mainly through its hops flower extract.
The most serious concern is with CNS depressants (sedatives, sleep aids, anxiety medications)—hops can add to their drowsy effects, which may be risky depending on what you're taking and when you need to be alert.
Read the full breakdown — every affected drug type, severity by severity
Beyond sedatives, there are two other drug types to watch. Estrogens (including hormone replacement therapy) might be affected theoretically, since hops constituents can compete for estrogen receptors; the risk is considered moderate, though most hops extracts contain only small amounts of the active compounds.
Drugs metabolized by your liver's CYP1A2 and CYP3A4 enzymes could theoretically be affected too, but the evidence suggests these are minor concerns in real-world use.
Although we hold limited interaction data for hops, use the medication checker below to run your exact prescriptions through before you start. If you take sedatives, hormone therapy, or any regular medication, that's a conversation worth having with your doctor or pharmacist.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Hops Extract?
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 Extract interact with 863 drugs. Click any drug to see the details.
1 of the 1 ingredient in Hops Extract interact with drugs. Each result below shows which ingredient is responsible. Hops Flower Extract
Ado-trastuzumab EmtansineKadcyla
How Ado-trastuzumab Emtansine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Ado-trastuzumab Emtansine interactionAbemaciclibVerzenio
How Abemaciclib interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Abemaciclib interactionAbiraterone
How Abiraterone interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Abiraterone Acetate interactionAcalabrutinibCalquence
How Acalabrutinib interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acalabrutinib interactionAcetaminophenChildren's Tylenol, Children's Tylenol Meltaways, Tylenol, Tylenol Ex Strength
How Acetaminophen interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops Flower Extract + Acetaminophen interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops Flower Extract + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu
How Acetaminophen, Brompheniramine, Phenylpropanolamine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops Flower Extract + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionAcetaminophen, ButalbitalAxocet, Bancap, Bucet, Butex Forte, Esgic CF, Orbivan CF +5 more
How Acetaminophen, Butalbital interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops Flower Extract + Acetaminophen, Butalbital interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Caffeine, Isometheptene interactionAcetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual
How Acetaminophen, Caffeine, Pyrilamine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Caffeine, Pyrilamine interactionAcetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief
How Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAcetaminophen, Chlorpheniramine, DextromethorphanCoricidin II Extra Strength Cold and Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionAcetaminophen, Chlorpheniramine, Dextromethorphan HydrobromideCoricidin HBP Maximum Strength Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PhenylpropanolamineMulti Symptom Cold Relief
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + 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 Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interactionAcetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, SalicylamideRhinogesic GG
How Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylephrineAlka-Seltzer PLUS, Histex SR, Protid
How Acetaminophen, Chlorpheniramine, Phenylephrine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Chlorpheniramine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, Phenylephrine, SalicylamideRhinogesic, Rhinogesic JR
How Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylpropanolamineAlumadrine, Conex, Sinadrin Max Strength, Sinulin
How Acetaminophen, Chlorpheniramine, Phenylpropanolamine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Chlorpheniramine, Phenylpropanolamine interactionAcetaminophen, Chlorpheniramine, Phenylpropanolamine, PhenyltoloxamineNorel Plus
How Acetaminophen, Chlorpheniramine, Phenylpropanolamine, Phenyltoloxamine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + 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 Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Chlorpheniramine, Pseudoephedrine interactionAcetaminophen, ChlorzoxazoneAcetazone Forte, Extra Strength Tylenol Aches & Strains, Parafon Forte
How Acetaminophen, Chlorzoxazone interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops Flower Extract + Acetaminophen, Chlorzoxazone interactionAcetaminophen, Dexbrompheniramine, PseudoephedrineSinadrin Plus
How Acetaminophen, Dexbrompheniramine, Pseudoephedrine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Hops extract does not seem to affect the metabolism of CYP1A2 substrates.
Read the full Hops Flower Extract + Acetaminophen, Dexbrompheniramine, Pseudoephedrine interactionAcetaminophen, DextromethorphanTylenol Cough Ex Strength
How Acetaminophen, Dextromethorphan interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Dextromethorphan interactionAcetaminophen, Dextromethorphan, Doxylamine, PseudoephedrineVicks NyQuil
How Acetaminophen, Dextromethorphan, Doxylamine, Pseudoephedrine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Dextromethorphan, Doxylamine, Pseudoephedrine interactionAcetaminophen, Dextromethorphan, Guaifenesin, PhenylephrineConar-A
How Acetaminophen, Dextromethorphan, Guaifenesin, Phenylephrine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Dextromethorphan, Guaifenesin, Phenylephrine interactionAcetaminophen, Dextromethorphan, Guaifenesin, PhenylpropanolamineAnatuss
How Acetaminophen, Dextromethorphan, Guaifenesin, Phenylpropanolamine interacts with Hops Extract — through 1 ingredient. Tap an ingredient for the detail:
Hops Flower ExtractCytochrome 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 Flower Extract + Acetaminophen, Dextromethorphan, Guaifenesin, Phenylpropanolamine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Hops Extract 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 Flower Extract
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 Extract, from the product label.
BulkSupplements.com
See all BulkSupplements.com products- Name
- BulkSupplements.com
- Street Address
- 7511 Eastgate Rd
- City
- Henderson
- State
- NV
- ZipCode
- 89011
- Web Address
- BulkSupplements.com
Hops Extract by BulkSupplements.com: Common Questions
Does Hops Extract by BulkSupplements.com interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take this if I'm on a sleep aid?
Is hops safe during pregnancy?
What's the difference between this powder and hops tea?
Will this help my anxiety?
What side effects should I watch for?
Can I breastfeed while taking this?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Hops Extract 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 Extract’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Hops Extract'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.
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