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

Fish Oil 1400 +Joint Support Ingredients & Drug Interactions

by GNC Triple Strength

Fish Oil 1400 +Joint Support label
See full label image
Softgel Capsule Category: Botanical With Nutrients
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 9, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Fish Oil 1400 +Joint Support 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

Fish Oil 1400 +Joint Support is a dietary supplement by GNC Triple Strength with 2 active ingredients. Its ingredients are commonly taken for high triglycerides, heart health, joint pain and inflammation.Based on those ingredients, 1,262 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Joint Comfort Blend, Total Fish 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 Fish Oil 1400 +Joint Support by GNC Triple Strength

Ask about any prescription or over-the-counter medication and we check it for interactions with Fish Oil 1400 +Joint Support by GNC Triple Strength — and tell you which ingredient is responsible.

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Computed from our clinical databases

HelloPharmacist Scorecard of Fish Oil 1400 +Joint Support by GNC Triple Strength

Four independent checks of what is known — a summary of the available information, not a grade of the product itself.

Evidence for Intended Use
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

The stated purpose hasn't been mapped to our evidence data yet.

Why this rating?
  • We haven't mapped this product's purpose to our evidence data yet — it'll be graded on the next content refresh.
Ingredient Transparency
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 3 of its 3 active ingredients.
  • “Total Fish Oil” is listed as a grouped ingredient — the label gives one combined amount (1,400 mg) without saying how much of each component you get.
Known Interaction Concern
Major identified

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

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Cannabis.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs.
  • For scale: 1,137 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.
Safety Information
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.

HelloPharmacist summaryFully disclosed formula with no assessable stated purpose. Major medication interactions have been identified, and safety information is well characterized.

Assessment coverage: 1 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Oct 1, 2012.

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 Fish Oil 1400 +Joint Support, straight from the product label.

Brand GNC Triple Strength
Net contents 60 Softgel(s)
Market status On market
Date entered into DSLD Oct 1, 2012
DSLD ID 12444
Product type Botanical With Nutrients
Supplement form Softgel Capsule
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), 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 Fish Oil 1400 +Joint Support by GNC Triple Strength, 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:
2 Softgel(s)
Maximum serving Sizes:
2 Softgel(s)
Servings per container
30
IngredientAmount% DV
Calories15 {Calories}--
Calories from Fat15 {Calories}--
Total Fat1.5 g2%
Eicosapentaenoic Acid647 mg--
Docosahexaenoic Acid253 mg--
Total Fish Oil1400 mg--
Joint Comfort Blend250 mg--

Other ingredients: Fish Body Oil, Gelatin, Glycerin, Enteric Coating, Riboflavin color, Titanium Dioxide Mineral Whitener

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.
Precautions

KEEP OUT OF REACH OF CHILDREN.

WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Discontinue use two weeks prior to surgery.

Storage

Store in a cool, dry place.

General Statements

(QRC CODE) SCAN & LEARN MORE

GNC GUARANTEE If you are not 100% completely satisfied, return the unused portion of the product with your receipt to a GNC store within 30 days. Our trained sales staff with either refund your purchase price or, if you prefer, assist you in finding a replacement product to help you LIVE WELL.

Each softgel capsule is enteric coated which allows the softgel to break down and absorb in the small intestine. This controls or reduces fishy burps.

Our fast-acting, clinically-studied Joint Comfort Blend provides the herbs Acacia catechu and Chinese Skullcap. These herbs have been shown to provide fast joint comfort within days.

Enteric Coated to Control Fishy Burps

GNC QUALTIY COMMITMENT For more than 75 years, GNC has been the leader in the development and manufacture of dietary supplements and is committed to producing the most superior products. We use only the highest quality ingredients manufactured under the strictest quality controls. Every raw material used is tested to ensure its purity and potency. Each product is dated and then shipped immediately to our stores to ensure that you are purchasing the freshest supplements available.

ACTUAL SIZE

A landmark study involving over 11,000 participants has confirmed the major benefits of fish oil on cardiovascular health. The omega-3 fatty acids found in fish oil are necessary for heart health. They help support normal, healthy cholesterol levels and are necessary in the maintenance of normal blood pressure. EPA is important for circulatory system health and also acts as a precursor to hormone like substances that control vital bodily functions responsible for the body's natural anti-inflammatory response. DHA provides support for healthy triglyceride levels.

Conforms to USP <2091> for weight. Potency verified by GNC procedure #5123.

GNC Triple Strength Fish Oil 1400 plus Joint Support has been purified and manufactured for freshness. Five separate purification processes are used until each batch of fish oil in our products is found to be free of detectable levels of mercury, cadmium, lead and PCBs. We use only the best quality ingredients derived from wild, deep ocean fish.

In a 12 week multi-center, randomized, double-blind, placebo controlled study of 60 adults, subjects taking 250 mg/day of the GNC Joint Comfort Blend showed statistically significant improvements in measures of joint function and joint flexibility within 30 days compared to subjects on placebo.

NEW

Seals/Symbols

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5X CERTIFIED - PURIFIED

Formula

GNC Triple Strength Fish Oil 1400 plus Joint Support combines a total of 900 mg of the heart-healthy omega-3 fatty acids EPA and DHA with 250 mg of our fast-acting, clinically-studied Joint Comfort Blend of herbs shown to provide joint comfort.

- 1400 mg of fish oil in each serving, providing 900 mg total OMEGA-3 fatty acids EPA and DHA to promote joint, heart, brain, eye and skin health - Fast-acting natural herbal blend for improved joint comfort and flexibility - Supports the body's natural anti-inflammatory response - Helps maintain healthy cholesterol and blood pressure

CONTAINS: Fish and Soybeans.

General

CODE 885121 KMG

Formulation

No Sugar, No Starch, No Artificial Colors, No Artificial Flavors, No Preservatives, No Wheat, No Gluten, No Corn, NO Dairy, Yeast Free.

FDA Disclaimer Statement

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

FDA Statement of Identity

DIETARY SUPPLEMENT

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, take two capsules daily.

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

See for yourself

Fish Oil 1400 +Joint Support by GNC Triple Strength label

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

Fish Oil 1400 +Joint Support 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 Fish Oil 1400 +Joint Support by GNC Triple Strength

These are the 2 active ingredients this product is made of. Select any to open its full monograph.

Serving size2 Softgel(s) Dosage formSoftgel Capsule 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.

Total Fish Oil

Interacts with
327 drugs
1400 mg per serving

Fish oil provides omega-3 fatty acids (EPA and DHA) that are best known for lowering high triglyceride levels. The evidence for other heart and health...

Total Fish Oil monograph & interactions
  • › Eicosapentaenoic Acid
  • › Docosahexaenoic Acid

Joint Comfort Blend

Interacts with
1,136 drugs
250 mg per serving Form: Acacia catechu wood and bark extract, Chinese Skullcap root extract

Cannabis contains many active compounds, mainly THC (which causes a 'high') and CBD (which does not). Some uses, such as chemotherapy-related nausea,...

Joint Comfort Blend monograph & interactions

Other (inactive) ingredients: Fish Body Oil, Gelatin, Glycerin, Enteric Coating, Riboflavin color, Titanium Dioxide Mineral Whitener. These complete the product’s ingredient list but are not active constituents.

Interaction report

Fish Oil 1400 +Joint Support by GNC Triple Strength Drug Interactions

Fish Oil 1400 +Joint Support contains 2 ingredients, and 2 of them have known drug interactions. Altogether they interact with 1,262 medications. Here’s the picture, then you can look up your own drug.

Want to check YOUR meds against Fish Oil 1400 +Joint Support?

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
1,262Drugs
2 Major 1,232 Moderate 28 Minor

Ingredients driving the most interactions

Joint Comfort Blend 1,136
Total Fish Oil 327

Individual Drug Interactions

The ingredients in Fish Oil 1400 +Joint Support interact with 1,262 drugs. Click any drug to see the details.

2 of the 2 ingredients in Fish Oil 1400 +Joint Support interact with drugs. Each result below shows which ingredient is responsible. Joint Comfort Blend Total Fish Oil

Each ingredient & the kinds of drugs it affects

For each ingredient in Fish Oil 1400 +Joint Support 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.

Joint Comfort Blend18 drug types · 1,136 drugs

Warfarin (Coumadin)

Concomitant use with cannabis seems to increase the levels and clinical effects of warfarin.
In vitro research shows that the cannabis constituents delta-9-tetrahydrocannabinol (THC), cannabidiol (CBD), and cannabinol inhibit the cytochrome P450 2C9 (CYP2C9)-mediated 7-hydroxylation of S-warfarin in a concentration-dependent manner.
Additionally, there are multiple case reports of patients chronically taking warfarin that developed a spike in international normalized ratio (INR) after using cannabis in various forms, including smoking cannabis, taking medical cannabis orally, or drinking water infused with cannabis flower. One patient smoked 2-2.5 grams in one week and another patient had doubled the amount of THC consumed from 7.5 mg to 14.7 mg daily for one week.

Likelihood Probable Evidence D
Alcohol (Ethanol)

Theoretically, cannabis might have additive effects when used with alcohol.
Cannabis can have CNS depressant effects, similar to synthetic delta-9-tetrahydrocannabinol (THC). Theoretically, concomitant use of alcohol with cannabis can have additive effects including psychomotor impairment, sedation, and changes in mood and behavior.

Likelihood Possible Evidence D
Anesthesia

Cannabis use might alter the safety and clinical effects of various forms of anesthesia.
A small clinical study shows that higher doses of propofol may be needed to achieve relaxation and loss of consciousness in chronic cannabis users compared with nonusers. Another small clinical study shows that use of cannabis within 72 hours prior to undergoing surgery requiring atropine anesthesia may increase the risk of sustained postoperative tachycardia. The exact mechanisms of these interactions are unclear. Obtain a patient's history of cannabis use preoperatively and advise patients to discontinue cannabis use for at least 2 weeks prior to undergoing surgery.

Likelihood Possible Evidence B
Anticoagulant/Antiplatelet Drugs

Theoretically, cannabis might increase the risk of bleeding when used concomitantly with anticoagulant/antiplatelet drugs.
In vitro research shows that the cannabis constituents delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD) inhibit platelet aggregation.

Likelihood Possible Evidence D
Barbiturates

Theoretically, cannabis might increase the levels and adverse effects of barbiturates.
Some research shows that synthetic delta-9-tetrahydrocannabinol (THC) increases the elimination half-life of pentobarbital by 4 hours when dosed concomitantly.

Likelihood Possible Evidence D
Cns Depressants

Theoretically, cannabis might have additive effects if used with other CNS depressants.
Cannabis can have CNS depressant effects. Combining cannabis with other CNS depressants might result in additive or synergistic effects. A small clinical trial in healthy adults shows that inhaling a high-grade cannabis (Bedrocan International B.V., Veendam, The Netherlands) 100 mg, containing delta-9-tetrahydrocannabinol 21.8% and cannabinol 0.1%, modestly increases subjective feelings of sedation when compared with cannabis alone.

Likelihood Possible Evidence D
Cytochrome P450 2C19 (Cyp2C19) Substrates

Cannabis may increase levels of drugs metabolized by CYP2C19.
Research shows that cannabidiol (CBD), a constituent of cannabis, inhibits CYP2C19. In clinical studies and case reports, cannabidiol use resulted in significant increases in the serum levels of topiramate, methadone, citalopram, omeprazole, and N-desmethylclobazam, the primary active metabolite of clobazam. These chemicals are metabolized by CYP2C19. Concomitant use of cannabis with CYP2C19 substrates may increase the risk for adverse effects from these substrates.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Inducers

Theoretically, drugs that are CYP2C9 inducers might decrease the effects of cannabis.
Delta-9-tetrahydrocannabinol (THC), an active constituent of cannabis, is a substrate of CYP2C9 enzymes.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Inhibitors

Theoretically, drugs that are CYP2C9 inhibitors might increase the adverse effects of cannabis.
Delta-9-tetrahydrocannabinol (THC), an active constituent of cannabis, is a substrate of CYP2C9 enzymes.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Substrates

Theoretically, cannabis might increase the levels and adverse effects of CYP2C9 substrates.
In vitro research shows that the cannabis constituents delta-9-tetrahydrocannabinol (THC), cannabidiol (CBD), and cannabinol moderately inhibit the CYP2C9-mediated 7-hydroxylation of S-warfarin in a concentration-dependent manner. In vitro research also shows that cannabis extracts modestly inhibit the CYP2C9 metabolism of tolbutamide; extracts providing the specific cannabinoids CBD and cannabigerol (CBG) had stronger inhibitory effects than extracts containing THC and CBD.

Likelihood Possible Evidence D
Cytochrome P450 2E1 (Cyp2E1) Substrates

Theoretically, cannabis might decrease the levels and clinical effects of CYP2E1 substrates.
In vitro research shows that cannabis can induce the activity of CYP2E1, which might increase the metabolism of CYP2E1 substrates.

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

Theoretically, CYP3A4 inducers might reduce the levels and clinical effects of cannabis.
Delta-9-tetrahydrocannabinol (THC), an active constituent of cannabis, is a substrate of CYP3A4 enzymes.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Inhibitors

Theoretically, CYP3A4 inhibitors might increase the levels and adverse effects of cannabis.
Delta-9-tetrahydrocannabinol (THC), an active constituent of cannabis, is a substrate of CYP3A4 enzymes.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, cannabis may increase the levels and adverse effects of CYP3A4 substrates.
In vitro research shows that cannabis can inhibit the activity of CYP3A4 enzymes, which might decrease the metabolism of CYP3A4 substrates. In vitro research also shows that cannabis extracts modestly inhibit the CYP3A4 metabolism of testosterone; extracts providing the specific cannabinoids CBD and cannabigerol (CBG) had stronger inhibitory effects than extracts containing THC and CBD.

Likelihood Possible Evidence D
P-Glycoprotein Substrates

Theoretically, cannabis might alter levels of drugs that are substrates of P-glycoprotein (P-gp).
Most in vitro research suggests that constituents of cannabis, including cannabidiol (CBD) and delta-9-tetrahydrocannabinol (THC), can inhibit P-gp and increase the accumulation of probe compounds by reducing P-gp mediated drug efflux. In vitro studies in kidney cell lines show that a 1-hour exposure to CBD and THC inhibits P-gp. Cannabis may also alter the expression of P-gp, although this effect appears to vary based on duration of exposure. Some in vitro research in lymphoblastoid leukemia cell lines indicates that a 1-hour exposure to cannabinoids does not affect P-gp expression, while a prolonged 72-hour exposure decreases P-gp expression. Other in vitro research in these cell lines shows that a 4-hour exposure to THC and CBD induces P-gp gene expression, while exposure for longer than 4 hours and up to 48 hours does not induce P-gp gene expression.

Likelihood Possible Evidence D
Theophylline

Smoking cannabis while taking theophylline might reduce the levels and clinical effects of theophylline.
Similar to smoking tobacco, smoking cannabis seems to increase the metabolism of theophylline.

Likelihood Possible Evidence D
Thrombolytic Drugs

Cannabis might augment the effects of thrombolytic drugs and increase the risk of severe bleeding.
A case of cerebral hemorrhage has been reported for a 51-year-old female and chronic cannabis user who had consumed a large amount of cannabis prior to receiving recombinant tissue plasminogen activator (rtPA) for ischemic stroke. Hemorrhage had been ruled out prior to providing the rtPA. The exact mechanism of this interaction is unclear.

Likelihood Possible Evidence D
Antipsychotic Drugs

Cannabis does not seem to affect blood levels or effects of some antipsychotic drugs.
Human research shows that cannabis use does not affect blood levels or clinical effects of amisulpride, aripiprazole, or olanzapine in patients with schizophrenia and related disorders.

Likelihood Unlikely Evidence B
Joint Comfort Blend full monograph & interactions

Total Fish Oil9 drug types · 327 drugs

Antihypertensive Drugs

Theoretically, taking fish oil with antihypertensive drugs might increase the risk of hypotension.
Clinical evidence indicates that fish oils can modestly lower blood pressure and might have additive effects in patients treated with antihypertensives.

Likelihood Probable Evidence B
Contraceptive Drugs

Theoretically, taking fish oil with contraceptive drugs might decrease the triglyceride-lowering effects of fish oil.
There is some evidence that contraceptive drugs might interfere with the triglyceride lowering effects of fish oils.

Likelihood Probable Evidence B
Cyclosporine (Neoral, Sandimmune)

Taking fish oil with cyclosporine might increase levels and adverse effects of cyclosporine.
In kidney transplant recipients on a general immunosuppressive regimen, taking omega-3 fatty acids daily seems to increase peak blood levels of cyclosporine when compared with placebo. This increase was as much as 20% after one month. However, the area under the curve was not significantly affected.

Likelihood Probable Evidence B
Orlistat (Xenical, Alli)

Theoretically, taking fish oil with orlistat might decrease the absorption of fish oil fatty acids.
Orlistat binds lipase in the gastrointestinal tract and reduces fat absorption. Theoretically, taking fish oil with orlistat might decrease absorption of fish oil fatty acids. To avoid this potential interaction, recommend separating administration of orlistat and fish oil by at least 2 hours.

Likelihood Probable Evidence D
Sirolimus (Rapamune)

Taking fish oil with sirolimus might increase levels and adverse effects of sirolimus.
Pharmacokinetic research shows that omega-3 fatty acids increase exposure to sirolimus in kidney transplant patients on a calcineurin inhibitor-free immunosuppressive regimen. A 25% dose reduction in sirolimus was required to keep patients within the expected trough-concentration window. Researchers hypothesize that this may be due to inhibition of cytochrome P450 3A4 (CYP3A4) by fish oil, although this has not been confirmed in clinical research.

Likelihood Probable Evidence B
Tacrolimus (Prograf)

Taking fish oil with tacrolimus might increase levels and adverse effects of tacrolimus.
In a small group of patients, taking fish oil 2.6 grams (Omacor) daily for 4 weeks increased the 8-hour area under the curve of tacrolimus by 25% when compared with baseline. Peak levels were increased by approximately 22%. Researchers hypothesize that this may be due either to an increase in bioavailability or to inhibition of cytochrome P450 3A4 (CYP3A4) by fish oil, although this has not been confirmed in clinical research.

Likelihood Probable Evidence B
Anticoagulant/Antiplatelet Drugs

Fish oil may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs. However, evidence is conflicting.
While fish oil may not be a potent inhibitor of platelet function, high doses of fish oil might have antiplatelet effects. Theoretically, concomitant use of fish oil with anticoagulant or antiplatelet drugs may increase the risk of bleeding. However, the most rigorous research shows that short-term doses of fish oil 10 grams daily or long-term doses of 1.5 grams daily for up to 52 weeks does not increase the risk of bleeding or affect coagulation parameters in chronically ill and vulnerable patients. Other controlled research shows that fish oil does not affect platelet function or increase the risk of bleeding. Some research even suggests that perioperative fish oil use decreases bleeding risk. Some research suggests fish oil does not have additive antiplatelet effects when combined with aspirin, but other clinical evidence suggests that adding fish oil to low-dose aspirin treatment increases antiplatelet effects in patients who are aspirin-resistant. Also, some clinical research seems to show that fish oil has additive antiplatelet effects when used with aspirin and clopidogrel compared to aspirin and clopidogrel alone.

Likelihood Unlikely Evidence B
Platinum Agents

Theoretically, taking fish oil with platinum agents can cause resistance to platinum agents, potentially decreasing their effectiveness.
Platinum-induced fatty acids (PIFAs) are fatty acids secreted from human and mouse stem cells when exposed to platinum-based chemotherapy. Animal research suggests that PIFAs cause resistance to chemotherapy by stimulating lysophospholipid production in the spleen, which interferes with the DNA damage caused by certain chemotherapy drugs. One PIFA, known as 16:4(n-3), has been found in both raw fish and some commercially available fish oil products. Mackerel and herring have high PIFA concentrations, while salmon and tuna have low PIFA concentrations. Levels of PIFA in commercial fish oil products ranged from 0.2- 5.7 microMol. Animal research shows that PIFA-containing fish oil products cause resistance to cisplatin, fluorouracil, irinotecan, and oxaliplatin. It is unclear if all commercially available fish oil products contain PIFAs. Additionally, it is argued that levels of PIFA found in some fish oil products are too low to be of clinical concern. Furthermore, a lack of chemotherapy resistance in countries with high fish intake, such as Greenland, Japan, and Norway, suggest that this interaction may not be clinically significant.

Likelihood Unlikely Evidence D
Warfarin (Coumadin)

Fish oil may have antiplatelet effects and might increase the risk of bleeding if used with warfarin.
Fish oil has antiplatelet effects at high doses. Case reports show elevated INR in patients taking warfarin and fish oil 1-2 grams daily. However, some clinical research shows that taking fish oil 3-6 grams daily does not significantly increase INR in patients taking warfarin.

Likelihood Unlikely Evidence B
Total Fish Oil full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Fish Oil 1400 +Joint Support, from the product label.

GNC Triple Strength

See all GNC Triple Strength products
Phone Number
1-888-462-2548
Pharmacist Counseling Corner

Fish Oil 1400 +Joint Support by GNC Triple Strength: Common Questions

Does Fish Oil 1400 +Joint Support by GNC Triple Strength interact with any medications?
Yes. Based on its ingredients, Fish Oil 1400 +Joint Support has a known interaction with 1,262 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?
Fish Oil 1400 +Joint Support contains 2 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.

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

Not sure if Fish Oil 1400 +Joint Support is safe with your meds?

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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.

Fish Oil 1400 +Joint Support label
Go deeper

The Full Monographs Behind Fish Oil 1400 +Joint Support’s Ingredients

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

Herb & supplement monograph

Fish Oil

Interacts with 327 drugs

Fish oil provides omega-3 fatty acids (EPA and DHA) that are best known for lowering high triglyceride levels. The evidence for other heart and health benefits is mixed, and it is generally...

Read the full Fish Oil monograph → Herb & supplement monograph

Cannabis

Interacts with 1,136 drugs

Cannabis contains many active compounds, mainly THC (which causes a 'high') and CBD (which does not). Some uses, such as chemotherapy-related nausea, certain seizure disorders, and muscle sp...

Read the full Cannabis monograph →
Sources

Sources & How We Checked

Fish Oil 1400 +Joint Support'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 418 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.

Fish Oil 157 references
  1. Prisco D, Paniccia R, Bandinelli B, et al. Effect of medium-term supplementation with a moderate dose of n-3 polyunsaturated fatty acids on blood pressure in mild hypertensive patients. Thromb Res 1998;1:105-12.
  2. Allard JP, Kurian R, Aghdassi E, Muggli R, et al. Lipid peroxidation during n-3 fatty acid and vitamin E supplementation in humans. Lipids 1997;32:535-41.. PubMed
  3. Toft I, Bonaa KH, Ingebretsen OC, et al. Effects of n-3 polyunsaturated fatty acids on glucose homeostasis and blood pressure in essential hypertension. A randomized, controlled trial. Ann Intern Med 1995;123:911-8.
  4. Onwude JL, Lilford RJ, Hjartardottir H, et al. A randomised double blind placebo controlled trial of fish oil in high risk pregnancy. Br J Obstet Gynaecol 1995;102:95-100. PubMed
  5. Bulstra-Ramakers MT, Huisjes HJ, Visser GH. The effects of 3g eicosapentaenoic acid daily on recurrence of intrauterine growth retardation and pregnancy induced hypertension. Br J Obstet Gynaecol 1995;102:123-6. PubMed
  6. Sacks FM, Hebert P, Appel LJ, et al. Short report: the effect of fish oil on blood pressure and high-density lipoprotein-cholesterol levels in phase I of the trials of hypertension prevention. J Hypertens 1994;12:209-13.
  7. Vandongen R, Mori TA, Burke V, et al. Effects on blood pressure of omega 3 fats in subjects at increased risk of cardiovascular disease. Hypertension 1993;22:371-9. PubMed
  8. Hawthorne AB, Daneshmend TK, Hawkey CJ, et al. Treatment of ulcerative colitis with fish oil supplementation: a prospective 12 month randomised controlled trial. Gut 1992;33:922-8. PubMed
  9. D'Almeida A, Carter JP, Anatol A, Prost C. Effects of a combination of evening primrose oil (gamma linolenic acid) and fish oil (eicosapentaenoic + docahexaenoic acid) versus magnesium, and versus placebo in preventing pre-eclampsia. Women Health 1992;19 PubMed
  10. FDA. Center for Food Safety and Applied Nutrition. Letter regarding dietary supplement health claim for omega-3 fatty acids and coronary heart disease. Available at: http://www.fda.gov/ohrms/dockets/dockets/95s0316/95s-0316-Rpt0272-38-Appendix-D-Reference
  11. Montori VM, Farmer A, Wollan PC, Dinneen SF. Fish oil supplementation in type 2 diabetes: a quantitative systemic review (abstract). Diabetes Care 2000;23:1407-15.
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See these in context on the Cannabis 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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