Black Currant Seed Oil Capsules Ingredients & Drug Interactions
by Nutri-West
What is this page for?
First and foremost: checking Black Currant Seed Oil Capsules 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
Black Currant Seed Oil Capsules is a dietary supplement by Nutri-West with 16 active ingredients. Its ingredients are commonly taken for heart health, healthy cooking fat, skin moisturizing.Based on those ingredients, 861 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are D-Alpha-Tocopherol, Black Currant seed Oil, Oleic Acid. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Black Currant Seed Oil Capsules by Nutri-West
Ask about any prescription or over-the-counter medication and we check it for interactions with Black Currant Seed Oil Capsules by Nutri-West — 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 Black Currant Seed Oil Capsules by Nutri-West
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
Low disclosure
This capsule contains 16 ingredients, most of them fatty acids that make up black currant seed oil's composition. The active components include oleic acid, alpha-linolenic acid, linoleic acid, gamma-linolenic acid, and several others that give the oil its nutritional profile.
The product also contains vitamin E (as D-alpha-tocopherol), which acts as an antioxidant and preservative in oils. There are no inactive fillers listed.
Does it work?
Strong evidence
The evidence for this product's effectiveness is mixed and limited. Oleic acid (one of the oils' fatty acids) is possibly effective for lowering cholesterol and supporting heart health.
Vitamin E is effective for preventing vitamin E deficiency itself and possibly effective for Alzheimer's disease, beta-thalassemia, and a few other conditions. However, black currant seed oil itself lacks established evidence — the data we hold shows insufficient reliable evidence for Alzheimer's disease, liver disease, upper respiratory infection, cough, and eczema.
If you're considering this product for a specific health goal, talk to your pharmacist or doctor about what the evidence actually supports.
How safe is it?
Well-documented data
Vitamin E at high doses and over long periods may raise the risk of bleeding — this is especially important if you have a vitamin K deficiency or are already on blood thinners. Vitamin E is generally well-tolerated at normal dietary amounts, but there's a concern that high-dose long-term use might increase the risk of hemorrhagic stroke (bleeding in the brain), particularly in male smokers.
Black currant seed oil as a concentrated supplement is less studied than the berry eaten as food; in one large trial, a small number of participants reported mild diarrhea a few days after starting the supplement. Pregnant women should avoid high-dose vitamin E supplements — food amounts are considered okay — and the same caution applies while breastfeeding.
Meds to double-check
Moderate interaction found
Before taking this product, check your medications against these types: blood thinners and antiplatelet drugs (Moderate risk of bleeding), warfarin specifically (Moderate risk of bleeding), chemotherapy drugs including alkylating agents and antitumor antibiotics (Moderate risk of reduced effectiveness), cyclosporine (Moderate risk of higher levels), CYP3A4 substrates — a large group of drugs processed through the liver (Moderate risk of reduced effectiveness), diabetes medications (Moderate risk of increased effect), phenothiazines (Moderate risk of lowered seizure threshold), niacin (Minor risk of reduced cholesterol benefit). If you don't take any of these, no interactions are documented for the other ingredients we checked.
The bottom line
Scorecard at a glanceFormula with limited ingredient disclosure with strong clinical evidence behind its ingredients' uses. Moderate medication interactions have been identified, and safety information is well characterized.
This product is mainly fatty acids and vitamin E from black currant seed oil. If you're on blood thinners, diabetes medications, phenothiazines, or warfarin, you need to check with your pharmacist first — the interactions are real.
Even if you're not on those medications, it's worth running your full drug list through our checker before you start, because of vitamin E's wide interaction profile.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 3 of 16 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Nov 25, 2013.
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 Black Currant Seed Oil Capsules, straight from the product label.
| Brand | Nutri-West |
|---|---|
| Net contents | 60 Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Nov 25, 2013 |
| DSLD ID | 27557 |
| Product type | Fat/fatty Acid |
| Supplement form | Capsule |
| Dietary claims / uses | All Other |
| Intended target group(s) | Adult (18 - 50 Years), Sugar 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 Black Currant Seed Oil Capsules by Nutri-West, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Stearic Acid | 0 NP | -- |
| Gamma-Linolenic Acid | 42 mg | -- |
| Fatty Acid Composition | 0 NP | -- |
| Linoleic Acid | 0 NP | -- |
| Palmitoleic Acid | 0 NP | -- |
| Oleic Acid | 0 NP | -- |
| Erucic Acid | 0 NP | -- |
| Alpha-Linolenic Acid | 0 NP | -- |
| D-Alpha-Tocopherol | 5 IU | 16.6% |
| Palmitic Acid | 0 NP | -- |
| Stearidonic Acid | 0 NP | -- |
| Behenic Acid | 0 NP | -- |
| Eicosanoic Acid | 0 NP | -- |
| Lignoceric Acid | 0 NP | -- |
| Myristic Acid | 0 NP | -- |
| Arachidic Acid | 0 NP | -- |
| Also Contains | 0 NP | -- |
| Black Currant seed Oil | 250 mg | -- |
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
MFG1/2007
FOR DISTRIBUTION BY HEALTH CARE PROFESSIONALS ONLY.
Manufactured under strict GMP and USP guidelines.
"When You Want The Best"
Precautions
KEEP OUT OF REACH OF CHILDREN.
TAMPER RESISTANT OUTER SEAL - DO NOT USE IF BROKEN.
FDA Statement of Identity
Dietary Supplement
Formulation
Contains no starch, sugar, wheat, corn, yeast, soy, sodium, or preservatives.
Storage
Store in a cool, dry place.
Suggested/Recommended/Usage/Directions
Directions for use: One capsule daily, or as directed.
General
Product # 1506
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Black Currant Seed Oil Capsules by Nutri-West 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 Black Currant Seed Oil Capsules by Nutri-West
These are the 16 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Capsule(s) Dosage formCapsule Amounts shown are per serving.
Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.
Fatty Acid Composition
- › Stearic Acid
- › Gamma-Linolenic Acid
- › Linoleic Acid
- › Oleic Acid
- › Alpha-Linolenic Acid
- › Palmitic Acid
- › Stearidonic Acid
- › Eicosanoic Acid
Also Contains
- › Palmitoleic Acid
- › Erucic Acid
- › D-Alpha-Tocopherol
- › Behenic Acid
- › Lignoceric Acid
- › Myristic Acid
- › Arachidic Acid
Black Currant seed Oil
Interacts with140 drugs
Black currant is a nutritious berry that is rich in vitamin C and antioxidants, and its seed oil contains the omega-6 fatty acid GLA. While it is enjo...
Black Currant seed Oil monograph & interactionsBlack Currant Seed Oil Capsules by Nutri-West Drug Interactions
HelloPharmacist Interaction Report
Black Currant Seed Oil Capsules by Nutri-West contains two ingredients with documented interactions: vitamin E (D-alpha-tocopherol) and black currant seed oil itself.
The most serious concern is with blood thinners (anticoagulant/antiplatelet drugs) — both ingredients may increase bleeding risk. Vitamin E appears to interfere with clotting factors and platelet function, while black currant seed oil's gamma-linolenic acid component has antiplatelet effects.
Read the full breakdown — every affected drug type, severity by severity
Vitamin E also interacts with several other drug types. It may reduce the effectiveness of certain chemotherapy drugs (alkylating agents and antitumor antibiotics) through its antioxidant effects, and it can increase cyclosporine levels if you're taking a specific vitamin E formulation.
It may also speed up the metabolism of many other medications processed by a liver enzyme called CYP3A4. Additionally, taking vitamin E with warfarin carries a moderate risk of increased bleeding, and combining it with niacin might decrease niacin's beneficial effects on cholesterol.
Black currant seed oil theoretically raises seizure risk if you're on phenothiazines (older antipsychotic medications).
Oleic acid, another ingredient here, may theoretically increase the effects of diabetes medications that lower blood sugar. Several other ingredients in this product — including stearic acid, gamma-linolenic acid, linoleic acid, and multiple others — we could not check for interactions because we hold no data on them.
Altogether, these interactions span 850 individual medications. Please use the medication checker on this page to look up your specific drugs before starting this product.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Black Currant Seed Oil Capsules?
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 Black Currant Seed Oil Capsules interact with 861 drugs. Click any drug to see the details.
3 of the 16 ingredients in Black Currant Seed Oil Capsules interact with drugs. Each result below shows which ingredient is responsible. D-Alpha-Tocopherol Black Currant seed Oil Oleic Acid
Ado-trastuzumab EmtansineKadcyla
How Ado-trastuzumab Emtansine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Ado-trastuzumab Emtansine interactionAbciximabReoPro
How Abciximab interacts with Black Currant Seed Oil Capsules — through 2 ingredients. Tap an ingredient for the detail:
D-alpha-tocopherolAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Concomitant use of vitamin E and anticoagulant or antiplatelet agents might increase the risk of bleeding.
Read the full D-alpha-tocopherol + Abciximab interactionBlack Currant Seed OilAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, black currant seed oil might increase the risk of bleeding if used in combination with anticoagulant or antiplatelet drugs.
Read the full Black Currant Seed Oil + Abciximab interactionAbemaciclibVerzenio
How Abemaciclib interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Abemaciclib interactionAbiraterone
How Abiraterone interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Abiraterone Acetate interactionAbrocitinibCibinqo
How Abrocitinib interacts with Black Currant Seed Oil Capsules — through 2 ingredients. Tap an ingredient for the detail:
D-alpha-tocopherolAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Concomitant use of vitamin E and anticoagulant or antiplatelet agents might increase the risk of bleeding.
Read the full D-alpha-tocopherol + Abrocitinib interactionBlack Currant Seed OilAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, black currant seed oil might increase the risk of bleeding if used in combination with anticoagulant or antiplatelet drugs.
Read the full Black Currant Seed Oil + Abrocitinib interactionAcalabrutinibCalquence
How Acalabrutinib interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acalabrutinib interactionAcarboseGlucobay, Prandase, Precose
How Acarbose interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
Oleic AcidAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, oleic acid might increase the effects of antidiabetes drugs.
Read the full Oleic Acid + Acarbose interactionAcenocoumarolSintrom
How Acenocoumarol interacts with Black Currant Seed Oil Capsules — through 2 ingredients. Tap an ingredient for the detail:
D-alpha-tocopherolAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Concomitant use of vitamin E and anticoagulant or antiplatelet agents might increase the risk of bleeding.
Read the full D-alpha-tocopherol + Acenocoumarol interactionBlack Currant Seed OilAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, black currant seed oil might increase the risk of bleeding if used in combination with anticoagulant or antiplatelet drugs.
Read the full Black Currant Seed Oil + Acenocoumarol interactionAcepromazineAtravet
How Acepromazine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
Black Currant Seed OilPhenothiazines Moderate
Interaction Summary
Theoretically, black currant seed oil might increase the risk of seizure in patients receiving phenothiazines.
Read the full Black Currant Seed Oil + Acepromazine interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with Black Currant Seed Oil Capsules — through 2 ingredients. Tap an ingredient for the detail:
Black Currant Seed OilAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, black currant seed oil might increase the risk of bleeding if used in combination with anticoagulant or antiplatelet drugs.
Read the full Black Currant Seed Oil + Acetaminophen, Aspirin interactionD-alpha-tocopherolAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Concomitant use of vitamin E and anticoagulant or antiplatelet agents might increase the risk of bleeding.
Read the full D-alpha-tocopherol + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with Black Currant Seed Oil Capsules — through 2 ingredients. Tap an ingredient for the detail:
D-alpha-tocopherolAnticoagulant/antiplatelet Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Concomitant use of vitamin E and anticoagulant or antiplatelet agents might increase the risk of bleeding.
Read the full D-alpha-tocopherol + Acetaminophen, Aspirin, Caffeine interactionBlack Currant Seed OilAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, black currant seed oil might increase the risk of bleeding if used in combination with anticoagulant or antiplatelet drugs.
Read the full Black Currant Seed Oil + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine
How Acetaminophen, Butalbital, Caffeine, Codeine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionAcetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more
How Acetaminophen, Caffeine, Codeine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Caffeine, Dihydrocodeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Caffeine, Isometheptene interactionAcetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual
How Acetaminophen, Caffeine, Pyrilamine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Caffeine, Pyrilamine interactionAcetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief
How Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAcetaminophen, Chlorpheniramine, Codeine, PhenylephrineColrex
How Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, DextromethorphanCoricidin II Extra Strength Cold and Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionAcetaminophen, Chlorpheniramine, Dextromethorphan HydrobromideCoricidin HBP Maximum Strength Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PhenylpropanolamineMulti Symptom Cold Relief
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PseudoephedrineChildren's Tylenol Cold Plus Cough, Tylenol Cold Ex Strength
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interactionAcetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, SalicylamideRhinogesic GG
How Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylephrineAlka-Seltzer PLUS, Histex SR, Protid
How Acetaminophen, Chlorpheniramine, Phenylephrine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Chlorpheniramine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, Phenylephrine, SalicylamideRhinogesic, Rhinogesic JR
How Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylpropanolamineAlumadrine, Conex, Sinadrin Max Strength, Sinulin
How Acetaminophen, Chlorpheniramine, Phenylpropanolamine interacts with Black Currant Seed Oil Capsules — through 1 ingredient. Tap an ingredient for the detail:
D-alpha-tocopherolCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Read the full D-alpha-tocopherol + Acetaminophen, Chlorpheniramine, Phenylpropanolamine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Black Currant Seed Oil Capsules with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.
D-Alpha-Tocopherol
Alkylating Agents
Theoretically, antioxidant effects of vitamin E might reduce the effectiveness of alkylating agents.
There's concern that antioxidants could reduce the activity of chemotherapy drugs which generate free radicals, such as cyclophosphamide, chlorambucil, carmustine, busulfan, and thiotepa. However, some researchers theorize that antioxidants might make chemotherapy more effective by reducing oxidative stress that might interfere with apoptosis (cell death) of cancer cells. More evidence is needed to determine what effect, if any, antioxidants such as vitamin E have on chemotherapy. Advise patients to consult their oncologist before using vitamin E supplements, especially in high doses.
Anticoagulant/Antiplatelet Drugs
Concomitant use of vitamin E and anticoagulant or antiplatelet agents might increase the risk of bleeding.
Vitamin E seems to inhibit of platelet aggregation and antagonize the effects of vitamin K-dependent clotting factors. These effects appear to be dose-dependent, and are probably only likely to be clinically significant with doses of at least 800 units daily. Mixed tocopherols, such as those found in food, might have a greater antiplatelet effect than alpha-tocopherol. RRR alpha-tocopherol (natural vitamin E) 1000 IU daily antagonizes vitamin K-dependent clotting factors. Advise patients to avoid high doses of vitamin E, especially in people with low vitamin K intake or other risk factors for bleeding.
Antitumor Antibiotics
Theoretically, antioxidant effects of vitamin E might reduce the effectiveness of antitumor antibiotics.
There's concern that antioxidants could reduce the activity of antitumor antibiotic drugs such as doxorubicin, which generate free radicals. However, some researchers theorize that antioxidants might make chemotherapy more effective by reducing oxidative stress that might interfere with apoptosis (cell death) of cancer cells. More evidence is needed to determine what effect, if any, antioxidants such as vitamin E have on chemotherapy involving antitumor antibiotics. Advise patients to consult their oncologist before using vitamin E supplements, especially in high doses.
Cyclosporine (Neoral, Sandimmune)
A specific form of vitamin E might increase absorption and levels of cyclosporine.
There is some evidence that one specific formulation of vitamin E (D-alpha-tocopheryl-polyethylene glycol-1000 succinate, TPGS, tocophersolan, Liqui-E) might increase absorption of cyclosporine. This vitamin E formulation forms micelles which seems to increase absorption of cyclosporine by 40% to 72% in some patients. However, this interaction is unlikely to occur with the usual forms of vitamin E.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, vitamin E might induce metabolism of CYP3A4, possibly reducing the levels CYP3A4 substrates.
Vitamin E appears to bind with the nuclear receptor, pregnane X receptor (PXR), which results in increased expression of CYP3A4. Although the clinical significance of this is not known, use caution when considering concomitant use of vitamin E and other drugs affected by these enzymes.
Selumetinib (Koselugo)
Taking selumetinib with vitamin E can result in a total daily dose of vitamin E that exceeds safe limits and therefore might increase the risk of bleeding.
Selumetinib contains 48-54 IU vitamin E per capsule. The increased risk of bleeding with vitamin E appears to be dose-dependent. Be cautious when using selumetinib in combination with supplemental vitamin E, especially in patients at higher risk of bleed, such as those with chronic conditions and those taking antiplatelet drugs.
Warfarin (Coumadin)
Using vitamin E with warfarin might increase the risk of bleeding.
Due to interference with production of vitamin K-dependent clotting factors, use of more than 400 IU of vitamin E daily with warfarin might increase prothrombin time (PT), INR, and the risk of bleeding,. At a dose of 1000 IU per day, vitamin E can antagonize vitamin K-dependent clotting factors even in people not taking warfarin. Limited clinical evidence suggests that doses up to 1200 IU daily may be used safely by patients taking warfarin, but this may not be applicable in all patient populations.
Niacin
Vitamin E might decrease the beneficial effects of niacin on high-density lipoprotein (HDL) cholesterol levels.
A combination of niacin and simvastatin (Zocor) effectively raises high-density lipoprotein (HDL) cholesterol levels in people with coronary disease and low HDL levels. Clinical research shows that taking a combination of antioxidants (vitamin C, vitamin E, beta-carotene, and selenium) along with niacin and simvastatin (Zocor) attenuates this rise in HDL, specifically the HDL-2 and apolipoprotein A1 fractions, by more than 50%. Vitamin E alone combined with a statin does not seem to decrease HDL levels. It is not known whether the adverse effect on HDL is due to one of the other antioxidants or to the combination. It also is not known whether it will occur in other patient populations.
Black Currant seed Oil
Anticoagulant/Antiplatelet Drugs
Theoretically, black currant seed oil might increase the risk of bleeding if used in combination with anticoagulant or antiplatelet drugs.
Gamma-linolenic acid (GLA), a constituent of black currant seed oil, appears to have antiplatelet effects.
Phenothiazines
Theoretically, black currant seed oil might increase the risk of seizure in patients receiving phenothiazines.
Black currant seed oil contains gamma-linolenic acid (GLA). There is some concern that taking supplements containing GLA might cause seizures, or lower the seizure threshold, when taken with phenothiazines, although there is no evidence that black currant seed oil causes seizures. In one report, three patients with schizophrenia who had received phenothiazines developed EEG changes suggestive of temporal lobe epilepsy after starting treatment with GLA, although none experienced an actual seizure. In another report, two patients with schizophrenia who were stabilized on phenothiazines developed seizures when evening primrose 4 grams daily, which contains GLA, was added. One of these patients had a prior history of seizures.
Oleic Acid
Antidiabetes Drugs
Theoretically, oleic acid might increase the effects of antidiabetes drugs. Preliminary clinical research in patients with type 2 diabetes taking oral hypoglycemic drugs shows that eating a diet rich in oleic acid from olive oil decreases fasting blood glucose levels when compared to eating a diet rich in linoleic acid from sunflower oil. It is unknown if taking oleic acid supplements would have this effect or if this change is clinically significant. Until more is known, use caution. Dose adjustment may be necessary. Some antidiabetes drugs include glimepiride (Amaryl), glyburide (DiaBeta, Glynase PresTab, Micronase), insulin, metformin (Glucophage), pioglitazone (Actos), rosiglitazone (Avandia), and others.
Brand information
Manufacturer and brand details for Black Currant Seed Oil Capsules, from the product label.
Black Currant Seed Oil Capsules by Nutri-West: Common Questions
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Is vitamin E in this product the natural or synthetic form?
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The Full Monographs Behind Black Currant Seed Oil Capsules’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Oleic Acid
Interacts with 86 drugsOleic acid is a heart-healthy monounsaturated fat found mainly in olive oil, canola oil, avocados, and nuts. As part of a Mediterranean-style diet, it is widely viewed as a healthier replace...
Read the full Oleic Acid monograph → Herb & supplement monographVitamin E
Interacts with 764 drugsVitamin E is an essential fat-soluble vitamin and antioxidant that most people get in adequate amounts from a normal diet. Supplements can help correct a true deficiency, but high-dose vitam...
Read the full Vitamin E monograph → Herb & supplement monographBlack Currant
Interacts with 140 drugsBlack currant is a nutritious berry that is rich in vitamin C and antioxidants, and its seed oil contains the omega-6 fatty acid GLA. While it is enjoyed safely as a food and is popular as a...
Read the full Black Currant monograph →Sources & How We Checked
Black Currant Seed Oil Capsules'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 89 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.
Oleic Acid 19 references
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- Cao Y, Hou L, Wang W. Dietary total fat and fatty acids intake, serum fatty acids and risk of breast cancer: A meta-analysis of prospective cohort studies. Int J Cancer. 2016;138(8):1894-904. doi: 10.1002/ijc.29938. PubMed
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- Ben Fradj MK, Ouanes Y, Hadj-Taieb S, et al. Decreased oleic acid and marine n?-?3 polyunsaturated fatty acids in Tunisian patients with urothelial bladder cancer. Nutr Cancer. 2018;70(7):1043-1050.
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Vitamin E 64 references
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Black Currant 6 references
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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.
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