Major interaction on record — check this product against your medications before combining. Check your meds →
Dietary supplement

Antarctic Krill Omega 369 Plus 7 Ingredients & Drug Interactions

by Dr. Venessa's Formulas

Antarctic Krill Omega 369 Plus 7 label
See full label image
Capsule Category: Fat/fatty Acid
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Antarctic Krill Omega 369 Plus 7 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

The interaction bottom line Most serious interaction: Major

Antarctic Krill Omega 369 Plus 7 is a dietary supplement by Dr. Venessa's Formulas with 7 active ingredients. Its ingredients are commonly taken for supporting normal blood clotting, bone health, heart and vascular health.Based on those ingredients, 482 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Flax Seed oil, Sea Buckthorn oil, Borage oil. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Antarctic Krill Omega 369 Plus 7 by Dr. Venessa's Formulas

Ask about any prescription or over-the-counter medication and we check it for interactions with Antarctic Krill Omega 369 Plus 7 by Dr. Venessa's Formulas — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of Antarctic Krill Omega 369 Plus 7 by Dr. Venessa's Formulas

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.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 12, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 9 of its 9 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains 9 ingredients total. The active components are polyunsaturated and monounsaturated fats (the omega oils themselves), vitamin K, Superba krill oil, flaxseed oil, borage oil, safflower oil, sea buckthorn oil, and sunflower oil.

These are plant and marine sources of omega fatty acids and fat-soluble vitamins meant to support overall wellness. The inactive ingredients — gelatin (the capsule), D-alpha-tocopheryl acetate (a form of vitamin E used as a preservative), and lemon oil (for flavoring) — are excipients that help deliver and preserve the formula.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
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
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: support heart brain joint health and women's health.
  • We looked for evidence on: Cognitive function, Cognitive impairment, Alzheimer disease, Cardiovascular disease (CVD), Coronary heart disease (CHD), Dyslipidemia — and 4 related terms.
  • The strongest evidence on file: Sunflower Oil is rated "Possibly Effective" for Coronary heart disease (CHD) (Natural Medicines).
  • Also on file: Sunflower Oil is rated "Possibly Effective" for Hypercholesterolemia.
  • Also on file: Flaxseed Oil is rated "Possibly Ineffective" for Hyperlipidemia.

The evidence for this product's ingredients is mixed. Vitamin K is effective for conditions involving blood clotting and vitamin K deficiency, and krill oil appears possibly effective for dry eye.

Most of the other oil ingredients — flaxseed, borage, safflower, sea buckthorn, and sunflower — have been rated either possibly ineffective or insufficient evidence to rate for their proposed uses. The evidence we hold doesn't establish that this combination will reliably deliver the anti-inflammatory or cardiovascular benefits sometimes claimed for omega-3 supplements.

The evidence, ingredient by ingredient Vitamin K Krill Oil Flaxseed Oil Borage Safflower Sea Buckthorn Sunflower Oil

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

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 7 of the 7 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 7 of 7.
  • General safety write-ups exist for 7 of 7.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Overall, these oils are generally well tolerated when taken orally. The most common side effects are mild digestive upset — bloating, diarrhea, nausea, stomach discomfort, and fishy burps are reported.

Vitamin K is safe in normal dietary amounts; borage oil safety data is limited and there is a concern about liver-toxic alkaloids if the product is not certified free of pyrrolizidine alkaloids (PA) — check the label. Sea buckthorn and safflower may cause skin staining or irritation at high doses.

Rare serious adverse effects include anaphylaxis (from flaxseed oil) and liver failure (from safflower oil, though this is uncommon and usually associated with high-dose use). For pregnancy, vitamin K is likely safe, flaxseed oil is possibly safe, and krill oil has insufficient data — talk to your doctor.

For breastfeeding, safety data is limited across most ingredients, so medical advice is recommended before use.

Side effects, ingredient by ingredient Vitamin K Krill Oil Flaxseed Oil Borage Safflower Sea Buckthorn Sunflower Oil

Meds to double-check

Major interaction found
Known Interaction Concern · database check
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 7 of the 7 matched ingredients can interact with medications — Sunflower Oil, Safflower, Borage, Sea Buckthorn, Vitamin K, among others.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications.
  • For scale: 483 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.

Before taking this, double-check if you use warfarin (Major severity) or any anticoagulant or antiplatelet drug, diabetes medication, blood pressure medication, ezetimibe (Zetia), phenothiazines, or CYP3A4-inducing drugs. These are the medication types with documented interactions.

Use the search tool on this page to check your exact prescriptions.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Major medication interactions have been identified, and safety information is well characterized.

If you take warfarin or any blood thinner, diabetes medication, blood pressure drug, or ezetimibe, check with your pharmacist first — this product has real interaction potential. If you're looking for omega support and don't take those medications, it's generally well tolerated, though digestive upset and lack of strong evidence for most claimed benefits are worth knowing.

Talk to your pharmacist about whether this formula is right for your situation.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 7 of 9 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated May 22, 2015.

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

At a glance

General information

Key facts about Antarctic Krill Omega 369 Plus 7, straight from the product label.

Brand Dr. Venessa's Formulas
Barcode (UPC) 606851602044
Net contents 30 Capsule(s)
Market status On market
Date entered into DSLD May 22, 2015
DSLD ID 45191
Product type Fat/fatty Acid
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult Female (18 - 50 Years)
From the label
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 Antarctic Krill Omega 369 Plus 7 by Dr. Venessa's Formulas, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
30
UPC/BARCODE
606851602044
IngredientAmount% DV
Calories6 {Calories}2%
Calories from Fat5 {Calories}--
Saturated Fat0.2 Gram(s)2%
Polyunsaturated Fat0.2 Gram(s)--
Cholesterol7 mg2%
Monounsaturated Fat0.1 Gram(s)--
Total Fat0.5 Gram(s)1%
Vitamin K64 mcg80%
Trans Fat0 Gram(s)--
Superba(TM) Krill500 mg--
Flax Seed oil100 mg--
Borage oil35 mg--
Safflower oil35 mg--
Sea Buckthorn oil35 mg--
Sunflower oil35 mg--

Other ingredients: Gelatin, D-Alpha-Tocopheryl Acetate, Lemon Oil

Tap any ingredient to jump to its full detail below.

Label statements
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.
Formula

Dr. Venessa’s Antarctic Krill 369(TM) plus7 is clinically formulated to support overall well-being including heart health, brain health, joint health, healthy inflammation response and women’s health.*

Contains Crustacean Shellfish. (Krill)

General Statements

Therapeutically formulated to counteract nutrient depletion and minimize prescription interactions.

Specially formulated by Research Scientist Dr. Titus Venessa, Ph.D., Sc.D.

SUPPORTS HEART HEALTH AND OVERALL WELL BEING*

Suggested/Recommended/Usage/Directions

DIRECTIONS: Take 1 capsule daily or as recommended by your healthcare professional.

Storage

Store in a cool, dry place.

Precautions

Keep out of reach of children.

Contains Crustacean Shellfish. (Krill)

FDA Disclaimer Statement

*This statement has not been evaluated by the FDA. This formula is not intended to diagnose, treat or cure any disease.

Seals/Symbols

SUPERBA(TM) KRILL

SAFE THERAPEUTIC FORMULAS

FDA Statement of Identity

DIETARY SUPPLEMENT

Brand IP Statement(s)

Superba(TM) Krill Oil is a trademark of the Aker Group.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Antarctic Krill Omega 369 Plus 7 by Dr. Venessa's Formulas label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Antarctic Krill Omega 369 Plus 7 label

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)
What’s inside

The Ingredients in Antarctic Krill Omega 369 Plus 7 by Dr. Venessa's Formulas

These are the 7 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container30 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.

Vitamin K

Interacts with
2 drugs
64 mcg per serving

Vitamin K is an essential nutrient your body needs for normal blood clotting and to support healthy bones. Most people get enough from food, but suppl...

Vitamin K monograph & interactions

Superba(TM) Krill

Interacts with
208 drugs
500 mg per serving Form: Phospholipids, Total Omega-3 Fatty Acids

Krill oil is a source of omega-3 fatty acids (EPA and DHA) bound to phospholipids, which may help absorption. It is most studied for lowering triglyce...

Superba(TM) Krill monograph & interactions

Flax Seed oil

Interacts with
293 drugs
100 mg per serving Form: Alpha-Linolenic Acid, Linoleic Acid, Oleic Acid

Flaxseed oil is a plant-based source of the omega-3 fatty acid ALA, which the body can partly convert to the omega-3s found in fish oil. It may help s...

Flax Seed oil monograph & interactions

Borage oil

Interacts with
226 drugs
35 mg per serving Form: Gamma-Linolenic Acid

Borage is a Mediterranean herb whose seed oil is rich in gamma-linolenic acid (GLA), an omega-6 fatty acid studied mostly for skin conditions and arth...

Borage oil monograph & interactions

Safflower oil

Interacts with
208 drugs
35 mg per serving Form: Linoleic Acid, Oleic Acid

Safflower is a thistle-like plant used mainly for its seed oil (a common cooking oil) and its colorful flowers. Safflower oil is a reasonable source o...

Safflower oil monograph & interactions

Sea Buckthorn oil

Interacts with
289 drugs
35 mg per serving Form: Alpha-Linolenic Acid, Linoleic Acid, Oleic Acid, Palmitic Acid, Palmitoleic Acid

Sea buckthorn is a berry-bearing shrub rich in vitamins, carotenoids, and fatty acids that people use for skin, eye, digestive, and heart health. Earl...

Sea Buckthorn oil monograph & interactions

Sunflower oil

Interacts with
86 drugs
35 mg per serving Form: Alpha-Linolenic Acid, Oleic Acid, Palmitic Acid, Stearic Acid

Sunflower oil is a common edible vegetable oil rich in unsaturated fats and vitamin E that most people can use safely as part of a normal diet. As a f...

Sunflower oil monograph & interactions

Other (inactive) ingredients: Gelatin, D-Alpha-Tocopheryl Acetate, Lemon Oil. These complete the product’s ingredient list but are not active constituents.

Interaction report

Antarctic Krill Omega 369 Plus 7 by Dr. Venessa's Formulas Drug Interactions

Want to check YOUR meds against Antarctic Krill Omega 369 Plus 7?

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 checker
482Drugs
2 Major 480 Moderate

Ingredients driving the most interactions

Flax Seed oil 293
Sea Buckthorn oil 289
Borage oil 226
Superba(TM) Krill 208
Safflower oil 208

Individual Drug Interactions

The ingredients in Antarctic Krill Omega 369 Plus 7 interact with 482 drugs. Click any drug to see the details.

7 of the 7 ingredients in Antarctic Krill Omega 369 Plus 7 interact with drugs. Each result below shows which ingredient is responsible. Flax Seed oil Sea Buckthorn oil Borage oil Superba(TM) Krill Safflower oil Sunflower oil Vitamin K

Each ingredient & the kinds of drugs it affects

For each ingredient in Antarctic Krill Omega 369 Plus 7 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.

Flax Seed oil3 drug types · 293 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, using flaxseed oil in combination with anticoagulant or antiplatelet drugs might have additive effects and increase the risk of bleeding.
Small clinical studies show that consuming flaxseed oil might decrease platelet aggregation and increase bleeding time.

Likelihood Possible Evidence D
Antihypertensive Drugs

Theoretically, combining flaxseed oil with other antihypertensive drugs might have additive effects and increase the risk of hypotension.
Some clinical evidence suggests that long-term consumption of flaxseed oil can modestly lower systolic and diastolic blood pressure, while other clinical research shows no effect.

Likelihood Possible Evidence D
Ezetimibe (Zetia)

Concomitant use of flaxseed oil and ezetimibe reduces the absorption of alpha-linolenic acid from flaxseed oil.
In one clinical study, concomitant consumption of ezetimibe 10 mg daily with flaxseed oil 2 grams providing 1 gram of alpha-linolenic acid daily blocked the absorption of alpha-linolenic acid, resulting in an overall reduction in alpha-linolenic plasma levels from baseline.

Likelihood Probable Evidence B
Flax Seed oil full monograph & interactions

Sea Buckthorn oil2 drug types · 289 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, sea buckthorn may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Clinical research suggests that sea buckthorn fruit extracts can inhibit platelet aggregation and adhesion to collagen and fibrinogen.

Likelihood Possible Evidence B
Antihypertensive Drugs

Theoretically, taking sea buckthorn with antihypertensive drugs might increase the risk of hypotension.
Taking sea buckthorn appears to reduce blood pressure in some patients.

Likelihood Possible Evidence D
Sea Buckthorn oil full monograph & interactions

Borage oil3 drug types · 226 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, borage seed oil may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
In healthy individuals, borage seed oil supplementation does not seem to affect platelet aggregation. However, gamma-linolenic acid, a constituent of borage seed oil, seems to decrease platelet aggregation by 45% and increase the risk of bleeding by 40% in animal and clinical research.

Likelihood Possible Evidence B
Cytochrome P450 3A4 (Cyp3A4) Inducers

Theoretically, taking borage with drugs that induce CYP3A4 might increase levels of pyrrolizidine alkaloid (PA) toxic metabolites.
Although borage seed oil contains little to no PAs, some borage plant parts, such as the leaf, flower, and seed, can contain hepatotoxic PAs. Hepatotoxic PAs are substrates of CYP3A4, which converts these chemicals into toxic metabolites. Tell patients to avoid borage preparations that are not certified and labeled as hepatotoxic PA-free.

Likelihood Possible Evidence D
Phenothiazines

Theoretically, taking borage sed oil with phenothiazines might increase the risk of seizures.
Borage seed oil contains gamma-linolenic acid (GLA). There is concern that taking supplements containing GLA might cause seizures, or lower the seizure threshold, when taken with phenothiazines. This is based on limited data from two reports published in the 1980s. In one report, three patients with schizophrenia who had received phenothiazines developed EEG changes suggestive of temporal lobe epilepsy after starting treatment with evening primrose, another source of GLA. However, none experienced an actual seizure. In the other report, two patients with schizophrenia who were stabilized on phenothiazines developed seizures when evening primrose 4 grams daily was added. One of these patients had a prior history of seizures. It is unclear whether evening primrose had any additive epileptogenic effects with the phenothiazines, but there is no evidence that taking GLA-containing supplements alone can cause seizures.

Likelihood Possible Evidence D
Borage oil full monograph & interactions

Superba(TM) Krill2 drug types · 208 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, krill oil may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Taking high doses of omega-3 fatty acids from fish oil can modestly decrease platelet aggregation. Since krill oil also contains these fatty acids, taking high doses of krill oil might also inhibit platelet aggregation. Theoretically, taking high doses of krill oil with antiplatelet or anticoagulant drugs might increase the risk of bleeding. However, the omega-3 content of krill oil is much lower than that of fish oil.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, taking krill oil with antidiabetes drugs might increase the risk of hypoglycemia.
Some research in animals and humans shows that krill oil might lower blood glucose levels. However, a small study shows that taking krill oil does not reduce blood glucose levels in patients with type 2 diabetes, most of whom were taking antidiabetes drugs.

Likelihood Possible Evidence B
Superba(TM) Krill full monograph & interactions

Safflower oil3 drug types · 208 drugs

Anticoagulant/Antiplatelet Drugs

High doses of safflower oil might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
Small clinical studies show that taking safflower oil, approximately 55 grams daily for 2-3 weeks, decreases platelet aggregation. However, taking lower doses of safflower oil, such as 5 grams daily for 4 weeks, does not seem to affect platelet function. In one case report, a 74-year-old male stabilized on warfarin developed urinary tract bleeding and an elevated INR after taking a safflower extract 20 grams daily for 14 days.

Likelihood Possible Evidence B
Antidiabetes Drugs

Theoretically, safflower oil might alter the effects of antidiabetes drugs.
Some clinical research shows that taking safflower oil 10 grams daily for 3 weeks can increase fasting blood glucose in patients with type 2 diabetes. However, clinical research in patients with metabolic syndrome with or without impaired glucose tolerance shows that taking safflower oil 8 grams daily for 12 weeks reduces fasting glucose levels by around 8 mg/dL. Some clinical research also shows that taking safflower oil 8 grams daily for 16 weeks does not affect fasting glucose levels in patients with type 2 diabetes.

Likelihood Possible Evidence B
Warfarin

Theoretically, safflower oil might increase the risk of bleeding when taken with warfarin.
In one case report, a 74-year-old male stabilized on warfarin developed urinary tract bleeding and an elevated INR after taking a safflower extract 20 grams daily for 14 days.

Likelihood Possible Evidence D
Safflower oil full monograph & interactions

Sunflower oil1 drug type · 86 drugs

Antidiabetes Drugs

Theoretically, sunflower oil might decrease the effectiveness of antidiabetes medications.
A diet using sunflower oil as a fat source can cause increased fasting blood glucose levels in patients with type 2 diabetes. Dose adjustments to diabetes medications might be necessary.

Likelihood Possible Evidence B
Sunflower oil full monograph & interactions

Vitamin K1 drug type · 2 drugs

Warfarin (Coumadin)

Vitamin K can antagonize and reverse the therapeutic effects of warfarin.
Vitamin K antagonizes the effects of warfarin. Excessive vitamin K intake, either from supplements or from changes in the diet, can reduce the anticoagulant effect of warfarin.

Likelihood Likely Evidence C
Vitamin K full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Antarctic Krill Omega 369 Plus 7, from the product label.

Dr. Venessa's Formulas

See all Dr. Venessa's Formulas products
Name
Dr. Venessa’s Formulas(TM)
City
Orlando
State
FL
ZipCode
32822
Pharmacist Counseling Corner

Antarctic Krill Omega 369 Plus 7 by Dr. Venessa's Formulas: Common Questions

Does Antarctic Krill Omega 369 Plus 7 by Dr. Venessa's Formulas interact with any medications?
Yes. Based on its ingredients, Antarctic Krill Omega 369 Plus 7 has a known interaction with 482 medications, including 2 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Antarctic Krill Omega 369 Plus 7 contains 7 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Will this interact with my blood thinner?
Yes — this product contains vitamin K and several oils that may affect bleeding. Vitamin K can counteract warfarin; the other ingredients may increase bleeding risk with anticoagulants and antiplatelets. Check with your pharmacist before starting, and don't stop or change your dose without talking to your doctor.
Can I take this if I'm on diabetes medication?
Krill oil and sunflower oil may theoretically raise blood sugar, which could reduce how well your diabetes meds work. Talk to your doctor before adding this product; you might need a dose adjustment.
What are the most common side effects?
Mild digestive upset is typical — bloating, diarrhea, nausea, stomach discomfort, and fishy burps. These are generally mild and often improve over time, though they seem less frequent with krill oil than with plain fish oil.
Is this safe during pregnancy?
Vitamin K is likely safe, and flaxseed oil is possibly safe, but krill oil doesn't have enough safety data. Talk to your doctor or pharmacist before using this product during pregnancy — they can weigh the benefits and risks for your situation.
What does borage oil do in this formula?
Borage oil is included as a source of gamma-linolenic acid, an omega-6 fatty acid. However, the evidence we hold rates borage oil as possibly ineffective for most claimed uses, and safety data is limited, so discuss its purpose with your pharmacist.
Can I take this with my ezetimibe (Zetia)?
No — flaxseed oil in this product can block your body from absorbing alpha-linolenic acid from ezetimibe, reducing the benefit of both. Talk to your doctor about alternatives or timing adjustments.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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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.

Antarctic Krill Omega 369 Plus 7 label
Go deeper

The Full Monographs Behind Antarctic Krill Omega 369 Plus 7’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Vitamin K

Interacts with 2 drugs

Vitamin K is an essential nutrient your body needs for normal blood clotting and to support healthy bones. Most people get enough from food, but supplements are sometimes used for deficiency...

Read the full Vitamin K monograph → Herb & supplement monograph

Krill Oil

Interacts with 208 drugs

Krill oil is a source of omega-3 fatty acids (EPA and DHA) bound to phospholipids, which may help absorption. It is most studied for lowering triglycerides and supporting heart health, but t...

Read the full Krill Oil monograph → Herb & supplement monograph

Flaxseed Oil

Interacts with 293 drugs

Flaxseed oil is a plant-based source of the omega-3 fatty acid ALA, which the body can partly convert to the omega-3s found in fish oil. It may help support heart health and provide healthy...

Read the full Flaxseed Oil monograph → Herb & supplement monograph

Borage

Interacts with 226 drugs

Borage is a Mediterranean herb whose seed oil is rich in gamma-linolenic acid (GLA), an omega-6 fatty acid studied mostly for skin conditions and arthritis with mixed results. The plant's le...

Read the full Borage monograph → Herb & supplement monograph

Safflower

Interacts with 208 drugs

Safflower is a thistle-like plant used mainly for its seed oil (a common cooking oil) and its colorful flowers. Safflower oil is a reasonable source of unsaturated fats, but strong proof tha...

Read the full Safflower monograph → Herb & supplement monograph

Sea Buckthorn

Interacts with 289 drugs

Sea buckthorn is a berry-bearing shrub rich in vitamins, carotenoids, and fatty acids that people use for skin, eye, digestive, and heart health. Early research is promising for a few uses l...

Read the full Sea Buckthorn monograph → Herb & supplement monograph

Sunflower Oil

Interacts with 86 drugs

Sunflower oil is a common edible vegetable oil rich in unsaturated fats and vitamin E that most people can use safely as part of a normal diet. As a food it is generally regarded as safe, an...

Read the full Sunflower Oil monograph →
Sources

Sources & How We Checked

Antarctic Krill Omega 369 Plus 7'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.

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 79 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.

Vitamin K 11 references
  1. McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
  2. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. Washington, DC: National Academy Press, 2002.
  3. Crowther MA, Ageno W, Garcia D, et al. Oral vitamin K versus placebo to correct excessive anticoagulation in patients receiving warfarin: a randomized trial. Ann Intern Med. 2009;150(5):293-300. PubMed
  4. Dietary vitamin K guidance: an effective strategy for stable control of oral anticoagulation? Nutr Rev. 2010;68(3):178-81. PubMed
  5. Kim JS, Nafziger AN, Gaedigk A, et al. Effects of oral vitamin K on S- and R-warfarin pharmacokinetics and pharmacodynamics: enhanced safety of warfarin as a CYP2C9 probe. J Clin Pharmacol. 2001 Jul;41(7):715-22. PubMed
  6. Riegert-Johnson, D. L. and Volcheck, G. W. The incidence of anaphylaxis following intravenous phytonadione (vitamin K1): a 5-year retrospective review. Ann.Allergy Asthma Immunol. 2002;89(4):400-406. PubMed
  7. Dezee, K. J., Shimeall, W. T., Douglas, K. M., Shumway, N. M., and O'malley, P. G. Treatment of excessive anticoagulation with phytonadione (vitamin K): a meta-analysis. Arch.Intern.Med. 2-27-2006;166(4):391-397. DOI
  8. Dentali, F., Ageno, W., and Crowther, M. Treatment of coumarin-associated coagulopathy: a systematic review and proposed treatment algorithms. J.Thromb.Haemost. 2006;4(9):1853-1863. PubMed
  9. Caluwé R, Vandecasteele S, Van Vlem B, Vermeer C, De Vriese AS. Vitamin K2 supplementation in haemodialysis patients: a randomized dose-finding study. Nephrol Dial Transplant. 2014;29(7):1385-90.
  10. Huang ZB, Wan SL, Lu YJ, Ning L, Liu C, Fan SW. Does vitamin K2 play a role in the prevention and treatment of osteoporosis for postmenopausal women: a meta-analysis of randomized controlled trials. Osteoporos Int. 2015;26(3):1175-86. PubMed
  11. Hunnali CR, Devi U, Kitchanan S, Sethuraman G. Three Different Regimens for Vitamin K Birth Prophylaxis in Infants Born Preterm: A Randomized Clinical Trial. J Pediatr 2023;255:98-104. PubMed

See these in context on the Vitamin K monograph →

Krill Oil 13 references
  1. Leaf A. On the reanalysis of the GISSI-Prevenzione. Circulation 2002;105:1874-5. PubMed
  2. Connor WE. n-3 Fatty acids from fish and fish oil: panacea or nostrum? Am J Clin Nutr 2001;74;415-6. PubMed
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  7. Tandy S, Chung RW, Wat E, et al. Dietary krill oil supplementation reduces hepatic steatosis, glycemia, and hypercholesterolemia in high-fat-fed mice. J Agric Food Chem 10-14-2009;57:9339-45. PubMed
  8. Maki, K. C., Reeves, M. S., Farmer, M., Griinari, M., Berge, K., Vik, H., Hubacher, R., and Rains, T. M. Krill oil supplementation increases plasma concentrations of eicosapentaenoic and docosahexaenoic acids in overweight and obese men and women. Nutr.R PubMed
  9. Albert BB, Derraik JG, Brennan CM, et al. Supplementation with a blend of krill and salmon oil is associated with increased metabolic risk in overweight men. Am J Clin Nutr 2015;102(1):49-57.
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  11. Lobraico JM, DiLello LC, Butler AD, Cordisco ME, Petrini JR, Ahmadi R. Effects of krill oil on endothelial function and other cardiovascular risk factors in participants with type 2 diabetes, a randomized controlled trial. BMJ Open Diabetes Res Care. 2015 PubMed
  12. van der Wurff ISM, von Schacky C, Bergeland T, Zeegers MP, Kirschner PA, de Groot RHM. Krill oil supplementation's effect on school grades in typically developing adolescents. Prostaglandins Leukot Essent Fatty Acids 2023;191:102553. PubMed
  13. van der Wurff ISM, von Schacky C, Bergeland T, et al. Effect of 1 year krill oil supplementation on cognitive achievement of Dutch adolescents: A double-blind randomized controlled trial. Nutrients. 2019;11(6):1230. PubMed

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Flaxseed Oil 21 references
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  9. Paschos GK, Magkos F, Panagiotakos DB, et al. Dietary supplementation with flaxseed oil lowers blood pressure in dyslipidaemic patients. Eur J Clin Nutr 2007;61:1201-6. PubMed
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  11. University of Montreal. Pregnant Women Consuming Flaxseed Oil Have High Risk Of Premature Birth.ScienceDaily, October 29, 2008. Available at: www.sciencedaily.com/releases/2008/10/081027140817.htm (Accessed May 14, 2009).
  12. Allman, M. A., Pena, M. M., and Pang, D. Supplementation with flaxseed oil versus sunflowerseed oil in healthy young men consuming a low fat diet: effects on platelet composition and function. Eur.J Clin.Nutr. 1995;49(3):169-178.
  13. Ursoniu S, Sahebkar A, Andrica F, Serban C, Banach M; Lipid and Blood Pressure Meta-analysis Collaboration Group. Effects of flaxseed supplements on blood pressure: a systematic review and meta-analysis of controlled clinical trial. Clin Nutr. 2016 Jun;3 PubMed
  14. Taghizadeh M, Jamilian M, Mazloomi M, Sanami M, Asemi Z. A randomized-controlled clinical trial investigating the effect of omega-3 fatty acids on vitamin E co-supplementation on markers of insulin metabolism and lipid profiles in gestational diabetes. J
  15. Blackwood DP, LaVallee RK, Al Busaidi A, Jassal DS, Pierce GN. A randomized trial of the effects of ezetimibe on the absorption of omega-3 fatty acids in cardiac disease patients: a pilot study. Clin Nutr ESPEN. 2015 Oct;10(5):e155-e159. PubMed
  16. Morshedzadeh N, Shahrokh S, Aghdaei HA, et al. Effects of flaxseed and flaxseed oil supplement on serum levels of inflammatory markers, metabolic parameters and severity of disease in patients with ulcerative colitis. Complement Ther Med. 2019;46:36-43. PubMed
  17. Downie LE, Hom MM, Berdy GJ, et al. An artificial tear containing flaxseed oil for treating dry eye disease: A randomized controlled trial. Ocul Surf. 2020;18(1):148-157. PubMed
  18. Saleh-Ghadimi S, Kheirouri S, Golmohammadi A, Moludi J, Jafari-Vayghan H, Alizadeh M. Effect of flaxseed oil supplementation on anthropometric and metabolic indices in patients with coronary artery disease: A double-blinded randomized controlled trial. J PubMed
  19. Jamilian M, Tabassi Z, Reiner Z, et al. The effects of n-3 fatty acids from flaxseed oil on genetic and metabolic profiles in patients with gestational diabetes mellitus: a randomised, double-blind, placebo-controlled trial. Br J Nutr. 2020;123(7):792-799
  20. Li L, Li H, Gao Y, Vafaei S, Zhang X, Yang M. Effect of flaxseed supplementation on blood pressure: a systematic review, and dose-response meta-analysis of randomized clinical trials. Food Funct 2023;14(2):675-690. PubMed
  21. Mahmudiono T, Jasim SA, Karim YS, et al. The effect of flaxseed oil consumption on blood pressure among patients with metabolic syndrome and related disorders: A systematic review and meta-analysis of randomized clinical trials. Phytother Res 2022;36(10):

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Borage 11 references
  1. Guivernau M, Meza N, Barja P, Roman O. Clinical and experimental study on the long-term effect of dietary gamma-linolenic acid on plasma lipids, platelet aggregation, thromboxane formation, and prostacyclin production. Prostaglandins Leukot Essent Fatty A PubMed
  2. WHO working group. Pyrrolizidine alkaloids. Environmental Health Criteria, 80. WHO: Geneva, 1988.
  3. Fan YY, Chapkin RS. Importance of dietary gamma-linolenic acid in human health and nutrition. J Nutr 1998;128:1411-4.
  4. Takwale A, Tan E, Agarwal S, et al. Efficacy and tolerability of borage oil in adults and children with atopic eczema: randomised, double blind, placebo controlled, parallel group trial. BMJ 2003;327:1385. PubMed
  5. Chojkier M. Hepatic sinusoidal-obstruction syndrome: toxicity of pyrrolizidine alkaloids. J Hepatol 2003;39:437-46. PubMed
  6. Roeder E. Medicinal plants in Europe containing pyrrolizidine alkaloids. Pharmazie 1995;50:83-98.
  7. Wang YP, Yan J, Fu PP, Chou MW. Human liver microsomal reduction of pyrrolizidine alkaloid N-oxides to form the corresponding carcinogenic parent alkaloid. Toxicol Lett 2005;155:411-20. PubMed
  8. Holman CP and Bell AF. A trial of evening primrose oil in the treatment of chronic schizophrenia. J Orhtomolecular Psych 1983;12:302-304.
  9. Vaddadi KS. The use of gamma-linolenic acid and linoleic acid to differentiate between temporal lobe epilepsy and schizophrenia. Prostaglandins Med 1981;6(4):375-379. PubMed
  10. Bard, J. M., Luc, G., Jude, B., Bordet, J. C., Lacroix, B., Bonte, J. P., Parra, H. J., and Duriez, P. A therapeutic dosage (3 g/day) of borage oil supplementation has no effect on platelet aggregation in healthy volunteers. Fundam.Clin.Pharmacol. 1997;1
  11. Puri BK. The safety of evening primrose oil in epilepsy. Prostaglandins Leukotrienes Essential Fatty Acids 2007;77:101-3. PubMed

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Safflower 14 references
  1. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
  2. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  3. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  4. Borkman M, Chisholm DJ, Furler SM, et al. Effects of fish oil supplementation on glucose and lipid metabolism in NIDDM. Diabetes 1989;38:1314-9.. PubMed
  5. Amato, P. and Quercia, R. A. A historical perspective and review of the safety of lipid emulsion in pregnancy. Nutr Clin Pract. 1991;6(5):189-192. PubMed
  6. Demke, D. M., Peters, G. R., Linet, O. I., Metzler, C. M., and Klott, K. A. Effects of a fish oil concentrate in patients with hypercholesterolemia. Atherosclerosis 1988;70(1-2):73-80. PubMed
  7. Kaji, K., Yoshida, S., Nagata, N., Yamashita, T., Mizukoshi, E., Honda, M., Kojima, Y., and Kaneko, S. An open-label study of administration of EH0202, a health-food additive, to patients with chronic hepatitis C. J Gastroenterol. 2004;39(9):873-878. PubMed
  8. Kwon, J. S., Snook, J. T., Wardlaw, G. M., and Hwang, D. H. Effects of diets high in saturated fatty acids, canola oil, or safflower oil on platelet function, thromboxane B2 formation, and fatty acid composition of platelet phospholipids. Am.J.Clin.Nutr. PubMed
  9. Lloyd-Still, J. D., Simon, S. H., Wessel, H. U., and Gibson, L. E. Negative effects of oral fatty acid supplementation on sweat chloride in cystic fibrosis. Pediatrics 1979;64(1):50-52. DOI
  10. Challen, A. D., Branch, W. J., and Cummings, J. H. The effect of aspirin and linoleic acid on platelet aggregation, platelet fatty acid composition and haemostasis in man. Hum Nutr Clin Nutr 1983;37(3):197-208.
  11. Asp ML, Collene AL, Norris LE, Cole RM, Stout MB, Tang SY, Hsu JC, Belury MA. Time-dependent effects of safflower oil to improve glycemia, inflammation and blood lipids in obese, post-menopausal women with type 2 diabetes: a randomized, double-masked, cro
  12. Liu Y, Liu S, Shi Y, et al. Effects of safflower injection on the pharmacodynamics and pharmacokinetics of warfarin in rats. Xenobiotica. 2017 Oct 25:1-6. [Epub ahead of print] PubMed
  13. de Ataide EC, Reges Perales S, de Oliveira Peres MA, et al. Acute liver failure induced by Carthamus tinctorius oil: Case reports and literature review. Transplant Proc. 2018;50(2):476-477. PubMed
  14. Ruyvaran M, Zamani A, Mohamadian A, et al. Safflower (Carthamus tinctorius L.) oil could improve abdominal obesity, blood pressure, and insulin resistance in patients with metabolic syndrome: a randomized, double-blind, placebo-controlled clinical trial. PubMed

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Sea Buckthorn 7 references
  1. Johansson AK, Korte H, Yang B, et al. Sea buckthorn berry oil inhibits platelet aggregation. J Nutr Biochem 2000;11:491-5.. PubMed
  2. Grad, S. C., Muresan, I., and Dumitrascu, D. L. Generalized yellow skin caused by high intake of sea buckthorn. Forsch.Komplementmed. 2012;19(3):153-156. PubMed
  3. Vlasov, V. V. [Hippophae oil in the treatment of superficial skin burns]. Vestn.Dermatol Venerol. 1970;44(6):69-72.
  4. Chang BB, Wang F Xu TY Zhang QQ He J Zhang XJ Li J. Total flavones of Hippophae rhamnoides L. for essential hypertension: a systematic review of randomized controlled trials. Chinese Journal of Evidence-Based Medicine. 2009;9(11):1207-1213. DOI
  5. Olas B, Kontek B, Szczesna M, et al. Inhibition of blood platelet adhesion by phenolics rich fraction of Hippophae rhamnoides L. fruits. J Physiol Pharmacol. 2017;68(2):223-9.
  6. Larmo P, Järvinen R, Laihia J, et al. Effects of a sea buckthorn oil spray emulsion on dry eye. Cont Lens Anterior Eye. 2019;42(4):428-433. PubMed
  7. De Seta F, Caruso S, Di Lorenzo G, Romano F, Mirandola M, Nappi RE. Efficacy and safety of a new vaginal gel for the treatment of symptoms associated with vulvovaginal atrophy in postmenopausal women: A double-blind randomized placebo-controlled study. Ma PubMed

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Sunflower Oil 2 references
  1. Madigan C, Ryan M, Owens D, et al. Dietary unsaturated fatty acids in type 2 diabetes: higher levels of postprandial lipoprotein on a linoleic acid-rich sunflower oil diet compared with an oleic acid-rich olive oil diet. Diabetes Care 2000;23:1472-7. PubMed
  2. An J. Anaphylaxis to sunflower seed with tolerance to sunflower oil: A case report. Medicina (Kaunas) 2021;57(7):661. PubMed

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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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