Oregon Grape Non-Alcohol Ingredients & Drug Interactions
by Hawaii Pharm
What is this page for?
First and foremost: checking Oregon Grape Non-Alcohol 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
Oregon Grape Non-Alcohol is a dietary supplement by Hawaii Pharm with 1 active ingredient. Its ingredients are commonly taken for psoriasis (topical), eczema and other skin conditions, digestive upset.Based on those ingredients, 1,218 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are wild harvested Oregon Grape extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Oregon Grape Non-Alcohol by Hawaii Pharm
Ask about any prescription or over-the-counter medication and we check it for interactions with Oregon Grape Non-Alcohol by Hawaii Pharm — 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 Oregon Grape Non-Alcohol by Hawaii Pharm
Four independent checks of what is known — a summary of the available information, not a grade of the product itself.
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
The stated purpose hasn't been mapped to our evidence data yet.
Why this rating?
- We haven't mapped this product's purpose to our evidence data yet — it'll be graded on the next content refresh.
Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.
Why this rating?
- The label discloses an exact amount for 0 of its 1 active ingredient.
The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.
Why this rating?
- 1 of the 1 matched ingredient can interact with medications — Oregon Grape.
- The most serious interaction on file is rated Moderate.
- Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; immunosuppressants / transplant drugs; diabetes medications.
- For scale: 1,219 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.
Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.
Why this rating?
- We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
- Pregnancy & breastfeeding safety ratings cover 1 of 1.
- General safety write-ups exist for 1 of 1.
- Remember: this measures how much safety information exists. Thin data is not the same as being safe.
HelloPharmacist summaryFormula with limited ingredient disclosure with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Oct 23, 2020.
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 Oregon Grape Non-Alcohol, straight from the product label.
| Brand | Hawaii Pharm |
|---|---|
| Barcode (UPC) | 0748399915825 |
| Net contents | 4 Fluid Ounce(s); 120 mL |
| Market status | Off market |
| Date entered into DSLD | Oct 23, 2020 |
| DSLD ID | 238264 |
| Product type | Botanical |
| Supplement form | Liquid |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Women (not pregnant or lactating), Gluten 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 Oregon Grape Non-Alcohol by Hawaii Pharm, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| wild harvested Oregon Grape extract | 0 NP | -- |
Other ingredients: Vegetable Palm Glycerin, crystal clear artesian Hawaiian Water
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.
General Statements
Hawaii Pharm Non-Alcohol Herbal Extract Highest quality since 2008
Made with Aloha!
Formulation
Contains no gluten, artificial colors, pesticides, preservatives, heavy metals. Non GMO.
Super concentrated liquid herbal extract Dry herb/menstruum ratio: 1:3
Contains no alcohol
Description: We produced this extract according to precise standards where each herbs are individually extracted according to their distinct characteristic. We use a cold maceration extraction method, so that the active constituents of the herbs are extracted and maintained.
Non GMO Gluten free
Manufactured in an FDA registered facility. Ultra Sonic
Made in USA, Hawaii
Suggested/Recommended/Usage/Directions
Directions for use: Shake well before using. Take about 20-30 drops in juice, water, tea or as desired up to four times per day.
Precautions
Warnings: Keep out of the reach of children.
Not to be used during pregnancy. Consult a physician before using if nursing or taking any medications.
Do not use if you are allergic to any ingredients.
Do not use if seal is broken or missing.
Storage
Refrigerate after opening.
Formula
(Mahonia aquifolium)
FDA Statement of Identity
Herbal Dietary Supplement
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Seals/Symbols
FDA Registered Facility Made in United States of America USA
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Oregon Grape Non-Alcohol by Hawaii Pharm 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 Oregon Grape Non-Alcohol by Hawaii Pharm
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size20 Drop(s) Dosage formLiquid Amounts shown are per serving.
Wild harvested Oregon Grape extract
Interacts with1,218 drugs
Oregon grape is a shrub whose root contains berberine and related compounds. The strongest (though still modest) evidence is for topical creams that m...
Wild harvested Oregon Grape extract monograph & interactionsOther (inactive) ingredients: Vegetable Palm Glycerin, Crystal clear artesian Hawaiian Water. These complete the product’s ingredient list but are not active constituents.
Oregon Grape Non-Alcohol by Hawaii Pharm Drug Interactions
Oregon Grape Non-Alcohol contains a single active ingredient, and it has known interactions with 1,218 medications. Here’s the picture, then you can look up your own drug.
Want to check YOUR meds against Oregon Grape Non-Alcohol?
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 Oregon Grape Non-Alcohol interact with 1,218 drugs. Click any drug to see the details.
1 of the 1 ingredient in Oregon Grape Non-Alcohol interact with drugs. Each result below shows which ingredient is responsible. wild harvested Oregon Grape extract
Amlodipine BenzoateKaterzia
How Amlodipine Benzoate interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAntihypertensive Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of hypotension when taken with antihypertensive drugs.
Read the full Wild Harvested Oregon Grape Extract + Amlodipine Benzoate interactionAmlodipine BesilateIstin
How Amlodipine Besilate interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAntihypertensive Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of hypotension when taken with antihypertensive drugs.
Read the full Wild Harvested Oregon Grape Extract + Amlodipine Besilate interactionAmlodipine BesylateNorvasc
How Amlodipine Besylate interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAntihypertensive Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of hypotension when taken with antihypertensive drugs.
Read the full Wild Harvested Oregon Grape Extract + Amlodipine Besylate interactionAmlodipine Besylate, BenazeprilLotrel
How Amlodipine Besylate, Benazepril interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Antihypertensive Drugs Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP3A4.
Read the full Wild Harvested Oregon Grape Extract + Amlodipine Besylate, Benazepril interactionAmlodipine, CelecoxibConsensi
How Amlodipine, Celecoxib interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAntihypertensive Drugs, Cytochrome P450 2c9 (cyp2c9) Substrates +1 Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of hypotension when taken with antihypertensive drugs.
Read the full Wild Harvested Oregon Grape Extract + Amlodipine, Celecoxib interactionAmmonium ChlorideAmmonium Chloride
How Ammonium Chloride interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of hypotension when taken with antihypertensive drugs.
Read the full Wild Harvested Oregon Grape Extract + Ammonium Chloride interactionAmobarbitalAmytal
How Amobarbital interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCns Depressants Moderate
Interaction Summary
Theoretically, Oregon grape might increase the sedative effects of CNS depressants.
Read the full Wild Harvested Oregon Grape Extract + Amobarbital interactionAmobarbital, Ephedrine SulfateEphedrine & Amytal
How Amobarbital, Ephedrine Sulfate interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCns Depressants Moderate
Interaction Summary
Theoretically, Oregon grape might increase the sedative effects of CNS depressants.
Read the full Wild Harvested Oregon Grape Extract + Amobarbital, Ephedrine Sulfate interactionAmobarbital, SecobarbitalTuinal
How Amobarbital, Secobarbital interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCns Depressants Moderate
Interaction Summary
Theoretically, Oregon grape might increase the sedative effects of CNS depressants.
Read the full Wild Harvested Oregon Grape Extract + Amobarbital, Secobarbital interactionAmoxicillin, Omeprazole Magnesium, RifabutinTalicia
How Amoxicillin, Omeprazole Magnesium, Rifabutin interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 2c9 (cyp2c9) Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP3A4.
Read the full Wild Harvested Oregon Grape Extract + Amoxicillin, Omeprazole Magnesium, Rifabutin interactionAmphetamineAdensys XR-ODT, Adzenys ER, Dyanavel XR, Mydayis
How Amphetamine interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP2D6.
Read the full Wild Harvested Oregon Grape Extract + Amphetamine interactionAmphetamine Aspartate, Amphetamine Sulfate, Dextroamphetamine Saccharate, Dextroamphetamine SulfateAdderall, Adderall XR
How Amphetamine Aspartate, Amphetamine Sulfate, Dextroamphetamine Saccharate, Dextroamphetamine Sulfate interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP2D6.
Read the full Wild Harvested Oregon Grape Extract + Amphetamine Aspartate, Amphetamine Sulfate, Dextroamphetamine Saccharate, Dextroamphetamine Sulfate interactionAmphetamine SulfateBenzedrine, Evekeo ODT
How Amphetamine Sulfate interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP2D6.
Read the full Wild Harvested Oregon Grape Extract + Amphetamine Sulfate interactionAmphotericin, TetracyclineMysteclin-F
How Amphotericin, Tetracycline interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractP-glycoprotein Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs that are P-glycoprotein (P-gp) substrates.
Read the full Wild Harvested Oregon Grape Extract + Amphotericin, Tetracycline interactionAmprenavirAgenerase
How Amprenavir interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCytochrome P450 3a4 (cyp3a4) Substrates, P-glycoprotein Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP3A4.
Read the full Wild Harvested Oregon Grape Extract + Amprenavir interactionAnacaulase-bcdbNexoBrid
How Anacaulase-bcdb interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
Read the full Wild Harvested Oregon Grape Extract + Anacaulase-bcdb interactionAnagrelideAgrylin
How Anagrelide interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
Read the full Wild Harvested Oregon Grape Extract + Anagrelide interactionAnisindioneMiradon
How Anisindione interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
Read the full Wild Harvested Oregon Grape Extract + Anisindione interactionAntidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) InhibitorGlyxambi
How Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) Inhibitor interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAntidiabetes Drugs, P-glycoprotein Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Read the full Wild Harvested Oregon Grape Extract + Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) Inhibitor interactionAntithrombin IiiThrombate III
How Antithrombin Iii interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
Read the full Wild Harvested Oregon Grape Extract + Antithrombin Iii interactionApalutamideErleada
How Apalutamide interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP3A4.
Read the full Wild Harvested Oregon Grape Extract + Apalutamide interactionApixabanEliquis
How Apixaban interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractP-glycoprotein Substrates, Anticoagulant/antiplatelet Drugs +1 Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs that are P-glycoprotein (P-gp) substrates.
Read the full Wild Harvested Oregon Grape Extract + Apixaban interactionApomorphineAPO-go, APO-go Pen, APO-go PFS, Apokyn, Uprima
How Apomorphine interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractP-glycoprotein Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs that are P-glycoprotein (P-gp) substrates.
Read the full Wild Harvested Oregon Grape Extract + Apomorphine interactionApomorphine HydrochlorideKynmobi
How Apomorphine Hydrochloride interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractP-glycoprotein Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs that are P-glycoprotein (P-gp) substrates.
Read the full Wild Harvested Oregon Grape Extract + Apomorphine Hydrochloride interactionApremilastOtezla
How Apremilast interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP3A4.
Read the full Wild Harvested Oregon Grape Extract + Apremilast interactionAprepitantCinvanti, Emend
How Aprepitant interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP3A4.
Read the full Wild Harvested Oregon Grape Extract + Aprepitant interactionAprobarbital, Butabarbital, PhenobarbitalTriple Barbital
How Aprobarbital, Butabarbital, Phenobarbital interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCns Depressants Moderate
Interaction Summary
Theoretically, Oregon grape might increase the sedative effects of CNS depressants.
Read the full Wild Harvested Oregon Grape Extract + Aprobarbital, Butabarbital, Phenobarbital interactionAprocitentanTryvio
How Aprocitentan interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of hypotension when taken with antihypertensive drugs.
Read the full Wild Harvested Oregon Grape Extract + Aprocitentan interactionArgatrobanArgatroban
How Argatroban interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, Oregon grape might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
Read the full Wild Harvested Oregon Grape Extract + Argatroban interactionAripiprazoleAbilify, Abilify Maintena, Abilify Mycite
How Aripiprazole interacts with Oregon Grape Non-Alcohol — through 1 ingredient. Tap an ingredient for the detail:
Wild Harvested Oregon Grape ExtractCns Depressants, Cytochrome P450 3a4 (cyp3a4) Substrates +1 Moderate
Interaction Summary
Theoretically, Oregon grape might increase the sedative effects of CNS depressants.
Read the full Wild Harvested Oregon Grape Extract + Aripiprazole interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Oregon Grape Non-Alcohol 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.
wild harvested Oregon Grape extract
Anticoagulant/Antiplatelet Drugs
Theoretically, Oregon grape might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
In vitro and in vivo research suggests that berberine, a constituent of Oregon grape, can inhibit platelet aggregation.
Antidiabetes Drugs
Theoretically, Oregon grape might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Clinical research suggests that berberine, a constituent of Oregon grape, can lower blood glucose levels.
Antihypertensive Drugs
Theoretically, Oregon grape might increase the risk of hypotension when taken with antihypertensive drugs.
Animal research suggests that berberine, a constituent of Oregon grape, can have hypotensive effects. Also, an analysis of clinical evidence suggests that taking berberine in combination with amlodipine (Norvasc) can lower systolic and diastolic blood pressure when compared with taking amlodipine alone.
Cns Depressants
Theoretically, Oregon grape might increase the sedative effects of CNS depressants.
Animal research suggests that berberine, a constituent of Oregon grape, can have sedative effects.
Cyclosporine (Neoral, Sandimmune)
Theoretically, Oregon grape might increase the effects and adverse effects of cyclosporine.
Berberine, a constituent of Oregon grape, can reduce metabolism of cyclosporine and increase serum levels. It might inhibit cytochrome P450 3A4 (CYP3A4), which metabolizes cyclosporine.
Cytochrome P450 2C9 (Cyp2C9) Substrates
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP2C9.
Preliminary clinical evidence suggests that berberine, a constituent of Oregon grape, can inhibit cytochrome P450 2C9 (CYP2C9).
Cytochrome P450 2D6 (Cyp2D6) Substrates
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP2D6.
In vitro research and preliminary clinical evidence suggest that berberine, a constituent of Oregon grape, can inhibit cytochrome P450 2D6 (CYP2D6).
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, Oregon grape might increase serum levels of drugs metabolized by CYP3A4.
In vitro research and preliminary clinical evidence suggest that berberine, a constituent of Oregon grape, moderately inhibits cytochrome P450 3A4 (CYP3A4).
P-Glycoprotein Substrates
Theoretically, Oregon grape might increase serum levels of drugs that are P-glycoprotein (P-gp) substrates.
In vitro research suggests that Oregon grape extracts inhibit P-gp efflux.
Brand information
Manufacturer and brand details for Oregon Grape Non-Alcohol, from the product label.
Hawaii Pharm
See all Hawaii Pharm products- Name
- Hawaii Pharm LLC
- City
- Honolulu
- State
- HI
- ZipCode
- 96815
Oregon Grape Non-Alcohol by Hawaii Pharm: Common Questions
Does Oregon Grape Non-Alcohol by Hawaii Pharm interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Oregon Grape Non-Alcohol 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 Oregon Grape Non-Alcohol’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Oregon Grape Non-Alcohol'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 21 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.
Oregon Grape 21 references
- Wiesenauer M, Lydtke R. Mahonia aquifolium in patients with Psoriasis vulgaris; an intraindividual study. Phytomedicine 1996;3:231-5.
- Chan E. Displacement of bilirubin from albumin by berberine. Biol Neonate 1993;63:201-8. PubMed
- Janbaz KH, Gilani AH. Studies on preventive and curative effects of berberine on chemical-induced hepatotoxicity in rodents. Fitoterapia 2000;71:25-33.. PubMed
- Wu X, Li Q, Xin H, Yu A, Zhong M. Effects of berberine on the blood concentration of cyclosporin A in renal transplanted recipients: clinical and pharmacokinetic study. Eur J Clin Pharmacol 2005;61:567-72. PubMed
- Gulliver WP, Donsky HJ. A report on three recent clinical trials using Mahonia aquifolium 10% topical cream and a review of the worldwide clinical experience with Mahonia aquifolium for the treatment of plaque psoriasis. Am J Ther 2005;12:398-406. PubMed
- Zhang Y, Li X, Zou D, et al. Treatment of type 2 diabetes and dyslipidemia with the natural plant alkaloid berberine. J Clin Endocrinol Metab 2008;93:2559-65. PubMed
- Budzinski JW, Foster BC, Vandenhoek S, Arnason JT. An in vitro evaluation of human cytochrome P450 3A4 inhibition by selected commercial herbal extracts and tinctures. Phytomedicine 2000;7:273-82. PubMed
- Chatterjee P, Franklin MR. Human cytochrome p450 inhibition and metabolic-intermediate complex formation by goldenseal extract and its methylenedioxyphenyl components. Drug Metab Dispos 2003;31:1391-7. PubMed
- Shanbhag, S. M., Kulkarni, H. J., and Gaitonde, B. B. Pharmacological actions of berberine on the central nervous system. Jpn.J Pharmacol 1970;20(4):482-487. PubMed
- Wu, J. F. and Liu, T. P. [Effects of berberine on platelet aggregation and plasma levels of TXB2 and 6-keto-PGF1 alpha in rats with reversible middle cerebral artery occlusion]. Yao Xue.Xue.Bao. 1995;30(2):98-102.
- Peng, W. H., Hsieh, M. T., and Wu, C. R. Effect of long-term administration of berberine on scopolamine-induced amnesia in rats. Jpn J Pharmacol 1997;74(3):261-266. DOI
- Sabir M and Bhide NK. Study of some pharmacological actions of berberine. Ind J Physiol & Pharmac 1971;15(3):111-132.
- Tripathi YB and Shukla SD. Berberis artistata inhibits PAF induced aggregation of rabbit platelets. Phytotherapy Research 1996;10:628-630.
- Yin, J., Xing, H., and Ye, J. Efficacy of berberine in patients with type 2 diabetes mellitus. Metabolism 2008;57(5):712-717. PubMed
- Zhang, H., Wei, J., Xue, R., Wu, J. D., Zhao, W., Wang, Z. Z., Wang, S. K., Zhou, Z. X., Song, D. Q., Wang, Y. M., Pan, H. N., Kong, W. J., and Jiang, J. D. Berberine lowers blood glucose in type 2 diabetes mellitus patients through increasing insulin re
- Guo, Y., Chen, Y., Tan, Z. R., Klaassen, C. D., and Zhou, H. H. Repeated administration of berberine inhibits cytochromes P450 in humans. Eur J Clin Pharmacol 2012;68(2):213-217. PubMed
- Wei, W., Zhao, H., Wang, A., Sui, M., Liang, K., Deng, H., Ma, Y., Zhang, Y., Zhang, H., and Guan, Y. A clinical study on the short-term effect of berberine in comparison to metformin on the metabolic characteristics of women with polycystic ovary syndro
- Hermann, R. and von, Richter O. Clinical evidence of herbal drugs as perpetrators of pharmacokinetic drug interactions. Planta Med 2012;78(13):1458-1477. PubMed
- Chun YT, Yip TT, Lau KL, and et al. A biochemical study on the hypotensive effect of berberine in rats. Gen Pharmac 1979;10:177-182. PubMed
- Lan J, Zhao Y, Dong F, et al. Meta-analysis of the effect and safety of berberine in the treatment of type 2 diabetes mellitus, hyperlipemia and hypertension. J Ethnopharmacol. 2015;161:69-81. PubMed
- Fan Y, Zhou Z, Zhang L. Effect of Oregon grape root extracts on P-glycoprotein mediated transport in in vitro cell lines. J Pharm Pharm Sci 2024;26:11927. PubMed
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