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Dietary supplement

Krill Oil 1000 mg Ultra Red Omega-3 Ingredients & Drug Interactions

by DC

Krill Oil 1000 mg Ultra Red Omega-3 label
See full label image
Softgel Capsule Category: Other Combinations
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 23, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Krill Oil 1000 mg Ultra Red Omega-3 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: Moderate

Krill Oil 1000 mg Ultra Red Omega-3 is a dietary supplement by DC with 1 active ingredient. Its ingredients are commonly taken for heart and cholesterol support, high triglycerides, joint pain and inflammation.Based on those ingredients, 838 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Krill Oil. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Krill Oil 1000 mg Ultra Red Omega-3 by DC

Ask about any prescription or over-the-counter medication and we check it for interactions with Krill Oil 1000 mg Ultra Red Omega-3 by DC — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Krill Oil 1000 mg Ultra Red Omega-3 by DC

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 Aug 13, 2026

What’s inside

Partial disclosure
Ingredient Transparency · database check
Partial

Most active ingredients list an amount, but at least one is hidden in a blend or missing.

Why this rating?
  • The label discloses an exact amount for 4 of its 5 active ingredients.
  • “Total Omega-3 Fatty Acids” is listed as a grouped ingredient — the label gives one combined amount (170 mg) without saying how much of each component you get.
  • “Krill Oil” is listed as a grouped ingredient — the label gives one combined amount (1,000 mg) without saying how much of each component you get.

This krill oil supplement contains 5 active ingredients. The primary components are eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), both omega-3 fatty acids naturally found in krill, along with phospholipids that help your body absorb these fats.

Astaxanthin, a red pigment with antioxidant properties, is also included. The softgel itself is made from gelatin, vegetable glycerin, and ethyl vanillin as inactive ingredients.

Does it work?

Couldn't assess
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
Not assessable

This is a single-ingredient Astaxanthin product and its label doesn't state a use — see Astaxanthin's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The product facts we hold show insufficient reliable evidence to rate astaxanthin for any of the conditions listed — age-related cognitive decline, macular degeneration, aging skin, Alzheimer disease, athletic performance, and carpal tunnel syndrome. That means the research backing these uses isn't established enough in our data to call them effective.

No effectiveness ratings are on file for the omega-3 fatty acids in this product.

The evidence, ingredient by ingredient Krill 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 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.

Astaxanthin is generally well tolerated in studies, but long-term safety data are limited. The most common side effects reported orally are abdominal pain, diarrhea, and red fecal color — a harmless discoloration.

In trials, a small number of participants experienced increased bowel movements or red stool at standard doses, and two patients on a much higher dose (40 mg daily, versus typical use of lower amounts) reported severe stomach pain. Not enough safety data exists for astaxanthin during pregnancy, so the safety data advises against use then.

The same applies to breastfeeding. Talk with your doctor or pharmacist about whether this product is right for you if you're pregnant, planning to become pregnant, or breastfeeding.

Side effects, ingredient by ingredient Krill Oil

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

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 — Astaxanthin.
  • The most serious interaction on file is rated Moderate.
  • For scale: 672 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 you take this krill oil, double-check any medications you're on that are processed by your liver's CYP3A4 or CYP2B6 enzymes — astaxanthin may theoretically lower their blood levels. This includes many common drugs across a wide range of categories.

Use the interaction checker below with your medication names, or ask your pharmacist to review them.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glancePartially disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Krill Oil 1000 mg Ultra Red by DC is generally well tolerated, but it does interact theoretically with a large number of medications through its astaxanthin content — mainly drugs your liver breaks down via two major enzyme pathways. If you take any prescription medications, especially those metabolized by CYP3A4 or CYP2B6, check them against the interaction tool on this page or talk with your pharmacist before starting.

Pregnant or breastfeeding individuals should avoid this product.

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

Assessment coverage: 1 of 5 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Apr 11, 2022.

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 Krill Oil 1000 mg Ultra Red Omega-3, straight from the product label.

Brand DC
Net contents 30 Softgel(s)
Market status On market
Date entered into DSLD Apr 11, 2022
DSLD ID 265842
Product type Other Combinations
Supplement form Softgel Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating), Gluten Free, Dairy Free, Sugar Free
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 Krill Oil 1000 mg Ultra Red Omega-3 by DC, 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 Softgel(s)
Maximum serving Sizes:
1 Softgel(s)
Servings per container
30
IngredientAmount% DV
Calories5 Calorie(s)--
Calories from Fat5 Calorie(s)--
Eicosapentaenoic Acid100 mg--
Docosahexaenoic Acid50 mg--
Phospholipids400 mg--
Total Fat0.5 Gram(s)1%
Astaxanthin100 mcg--
Total Omega-3 Fatty Acids170 mg--
Other Omega-3 Fatty Acids0 NP--
Krill Oil1000 mg--

Other ingredients: Gelatin, Vegetable Glycerin, Ethyl Vanillin

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.
Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, take 1 softgel daily.

Precautions

Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Keep out of reach of children.

Caution: If you are pregnant or nursing do not take this product.

Contains shellfish (krill) ingredients.

Formulation

Mfg. in an FDA Registered Facility using Good Manufacturing Practices (GMPs)

Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability.

Contains no artificial color, flavor, sweetener, preservatives, sugar, starch, milk, lactose, wheat or yeast, Non-GMO.

Made in USA

Gluten free

Supports joint health Potent antioxidant

Storage

Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

General Statements

New improved formula

Seals/Symbols

Quali Pure

FDA Statement of Identity

Dietary Supplement

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

See for yourself

Krill Oil 1000 mg Ultra Red Omega-3 by DC label

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

Krill Oil 1000 mg Ultra Red Omega-3 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 Krill Oil 1000 mg Ultra Red Omega-3 by DC

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 Softgel(s) Dosage formSoftgel Capsule Servings per container30 Amounts shown are per serving.

Krill Oil

Interacts with
208 drugs
1000 mg per serving

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...

Krill Oil monograph & interactions
  • › Total Omega-3 Fatty Acids

Other (inactive) ingredients: Gelatin, Vegetable Glycerin, Ethyl Vanillin. These complete the product’s ingredient list but are not active constituents.

Interaction report

Krill Oil 1000 mg Ultra Red Omega-3 by DC Drug Interactions

Want to check YOUR meds against Krill Oil 1000 mg Ultra Red Omega-3?

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
838Drugs
838 Moderate

Ingredients driving the most interactions

Krill Oil 208

Individual Drug Interactions

The ingredients in Krill Oil 1000 mg Ultra Red Omega-3 interact with 838 drugs. Click any drug to see the details.

1 of the 1 ingredient in Krill Oil 1000 mg Ultra Red Omega-3 interact with drugs. Each result below shows which ingredient is responsible. Krill Oil

Each ingredient & the kinds of drugs it affects

For each ingredient in Krill Oil 1000 mg Ultra Red Omega-3 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.

Krill Oil2 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
Krill Oil full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Krill Oil 1000 mg Ultra Red Omega-3, from the product label.

DC

See all DC products
Name
Dee Cee Laboratories, Inc.
Street Address
304 Dee Cee Rd.
City
White House
State
TN
ZipCode
37188
Pharmacist Counseling Corner

Krill Oil 1000 mg Ultra Red Omega-3 by DC: Common Questions

Does Krill Oil 1000 mg Ultra Red Omega-3 by DC interact with any medications?
Yes. Based on its ingredients, Krill Oil 1000 mg Ultra Red Omega-3 has a known interaction with 838 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Krill Oil 1000 mg Ultra Red Omega-3 contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism 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.
Can I take this while I'm pregnant?
Not enough safety data exists for astaxanthin during pregnancy, so the safety data advises against use. Talk with your doctor or pharmacist about whether this product is right for you if you're pregnant or planning to become pregnant.
Can I take this if I'm breastfeeding?
Not enough safety data exists for astaxanthin while breastfeeding, so the safety data advises against use. Talk with your doctor or pharmacist for personalized advice if you're nursing.
What are the side effects I might notice?
The most common side effects are abdominal pain, diarrhea, and red fecal color — that red color is harmless and comes from the astaxanthin pigment itself. Severe stomach pain was reported only at much higher doses than typical use.
Does astaxanthin actually help with aging skin or memory?
The evidence on file isn't strong enough to rate astaxanthin as effective for aging skin, age-related cognitive decline, Alzheimer disease, or the other conditions listed. That doesn't mean it doesn't work — it means the research backing it isn't established yet in our data.
Will this red color in my stool go away?
Yes — the red fecal color is a harmless side effect from the astaxanthin pigment and will stop once you finish taking the supplement.
Should I be worried about interactions with my medications?
Astaxanthin in this product may theoretically lower the blood levels of drugs your liver processes through two major enzyme pathways (CYP3A4 and CYP2B6), which could affect how well those drugs work. Check your medications using the interaction tool on this page, or ask your pharmacist to review them before you start.

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.

Krill Oil 1000 mg Ultra Red Omega-3 label
Go deeper

The Full Monographs Behind Krill Oil 1000 mg Ultra Red Omega-3’s Ingredients

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

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 →
Sources

Sources & How We Checked

Krill Oil 1000 mg Ultra Red Omega-3'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 16 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.

Astaxanthin 3 references
  1. Kupcinskas L, Lafolie P, Lignell A, et al. Efficacy of the natural antioxidant astaxanthin in the treatment of functional dyspepsia in patients with or without Helicobacter pylori infection: A prospective, randomized, double blind, and placebo-controlled
  2. Kistler, A., Liechti, H., Pichard, L., Wolz, E., Oesterhelt, G., Hayes, A., and Maurel, P. Metabolism and CYP-inducer properties of astaxanthin in man and primary human hepatocytes. Arch.Toxicol. 2002;75(11-12):665-675. PubMed
  3. Choi HD, Youn YK, Shin WG. Positive effects of astaxanthin on lipid profiles and oxidative stress in overweight subjects. Plant Foods Hum Nutr. 2011;66:363-369. PubMed

See these in context on the Astaxanthin 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
  3. Calder PC. N-3 polyunsaturated fatty acids, inflammation and immunity: pouring oil on troubled waters or another fishy tale? Nutr Res 2001;21:309-41. DOI
  4. Bunea R, El Farrah K, Deutsch L. Evaluation of the effects of Neptune Krill Oil on the clinical course of hyperlipidemia. Altern Med Rev 2004;9:420-8.
  5. Sampalis F, Bunea R, Pelland MF, et al. Evaluation of the effects of Neptune Krill Oil on the management of premenstrual syndrome and dysmenorrhea. Altern Med Rev 2003;8:171-9.
  6. Harris WS, Miller M, Tighe AP, et al. Omega-3 fatty acids and coronary heart disease risk: clinical and mechanistic perspectives. Atherosclerosis 2008;197:12-24. PubMed
  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.
  10. Berge K, Musa-Veloso K, Harwood M, Hoem N, Burri L. Krill oil supplementation lowers serum triglycerides without increasing low-density lipoprotein cholesterol in adults with borderline high or high triglyceride levels. Nutr Res 2014;34(2):126-33. PubMed
  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

See these in context on the Krill Oil monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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