'
Supplement Facts
Serving Size: 2 Soft Gels
Amount Per Serving
%DV
Calories
20
 
Total Fat
2 g
3%
Saturated Fat
0 g
0%
Trans Fat
0 g
Vitamin D3 (cholecalciferol)
25 mcg (1000 IU)
125%
Total Omega-3s♦
1280 mg
EPA (Eicosapentaenoic Acid)
650 mg
DHA (Docosahexaenoic Acid)
450 mg

The product is found useful for the following medical conditions

Cardiovascular Disease

SCIENTIFIC SCORE
Possibly Effective
Based on 37 Researches
7.2
USERS' SCORE
Good
Based on 6 Reviews
8.8
9
EPA's role in diabetic heart health
Eicosapentaenoic acid induces macrophage Mox polarization to prevent diabetic cardiomyopathy.
Most Relevant Research
We explored the impact of eicosapentaenoic acid (EPA), a nutrient known for its heart benefits, on diabetic cardiomyopathy (DC), a condition leading to heart failure. Our study focused on diabetic mice and revealed that EPA plays a protective role against DC, particularly by reducing harmful M1-polarized macrophages in the heart.

In our experiments, we found that EPA not only reduces cardiomyocyte injury caused by M1-polarized macrophages but also encourages a shift in macrophages' behavior from M1 to a protective Mox state—not M2. This shift is crucial because Mox macrophages help mitigate the damage inflicted by their M1 counterparts.

We identified heme oxygenase 1 (HO-1) as a key player in maintaining the Mox phenotype. EPA promotes HO-1, which helps curb macrophage M1 polarization and the resulting cardiomyocyte injury. Interestingly, our findings also showed that EPA fosters this protective Mox polarization in monocyte-derived macrophages from diabetic patients, suggesting a broader application for this treatment strategy.

Overall, our study highlights the potential of EPA as a novel approach to combat diabetic cardiomyopathy, emphasizing the importance of macrophage Mox polarization in maintaining heart health in diabetes.
9.5
Heart health support
Most Useful Review
Nordic OmegaD3 has received positive feedback for its omega-3 fatty acids and vitamin D3 combination. It aids in maintaining heart health, improves mood, and bolsters the immune system. Regular use aids in skin condition and overall well-being. Always consult a doctor before use, particularly with chronic conditions.

Nausea

SCIENTIFIC SCORE
Possibly Effective
Based on 1 Research
7
USERS' SCORE
Good
Based on 3 Reviews
8.8
7
Dysmenorrhea influences pregnancy nausea
Association of the Verbal Rating Scale-Measured Dysmenorrhea with Nausea and Vomiting in Pregnancy: A Retrospective Cohort Study.
Most Relevant Research
We conducted a retrospective cohort study to investigate the relationship between nausea and vomiting in pregnancy (NVP) and dysmenorrhea measured by a verbal rating scale. Our research included 443 pregnant women, divided into those experiencing NVP and a control group.

From our findings, we noticed a clear association between moderate to severe dysmenorrhea and a heightened risk of NVP, especially during the first trimester. This suggests that those with painful menstrual symptoms may face an increased likelihood of nausea and vomiting as part of their pregnancy experience.

Importantly, we also examined the impact of periconceptional supplementation with docosahexaenoic acid (DHA). Our results indicated that taking DHA could potentially lower the risk of NVP, offering a glimmer of hope for managing nausea during pregnancy. This suggests that combining DHA with standard prenatal care might be beneficial for those who struggle with these symptoms.

Overall, our study sheds light on the intricate connections between menstrual pain and pregnancy-related nausea, emphasizing the potential protective role of DHA in improving women's health during this time.
10
No nausea experienced
Most Useful Review
Quality omega. It does not cause nausea, which is crucial for me!

Common Cold

SCIENTIFIC SCORE
Moderately Effective
Based on 6 Researches
8.3
USERS' SCORE
Good
Based on 4 Reviews
8.7
8
Vitamin D3 improves cold symptoms
Intake of 25-Hydroxyvitamin D3 Reduces Duration and Severity of Upper Respiratory Tract Infection: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Comparison Study.
Most Relevant Research
We conducted a thorough investigation into how 25-hydroxyvitamin D3, commonly referred to as vitamin D3, impacts upper respiratory tract infections (URTIs), particularly the common cold. This study was carried out as a randomized, double-blind, placebo-controlled trial, engaging 428 participants, all aged between 45 and 74, across three clinics in Japan.

Participants were divided into two groups, with one receiving a daily dose of 10 μg of vitamin D3, while the other took a placebo for 16 weeks. Our findings highlighted that those who took vitamin D3 experienced a reduction in the duration of their upper respiratory symptoms, as well as a decrease in severity and improvement in their quality of life during illness.

Overall, our results indicate that supplementing with vitamin D3 might be a proactive step in handling the discomforts associated with common colds. This simple addition to one's daily routine could lead to a notably better experience when facing URTIs, providing a hopeful outlook for those looking for relief from their symptoms.
10
No colds experienced
Most Useful Review
I appreciated the optimal omega ratio in these capsules. When I began taking them, I noticed a significant lack of common colds during the intake, which supports my immune system effectively.

Heart Disease

SCIENTIFIC SCORE
Possibly Effective
Based on 43 Researches
7.1
USERS' SCORE
Good
Based on 5 Reviews
8.7
9
Omega-3 lowers coronary risk
A Bayesian Analysis of the VITAL Trial: Effects of Omega-3 Fatty Acid Supplementation on Cardiovascular Events.
Most Relevant Research
We explored the impact of eicosapentaenoic acid (EPA), a type of omega-3 fatty acid, on heart disease through a significant study known as the VITAL trial. This study involved nearly 26,000 older adults in the U.S. and aimed to determine the effects of daily EPA supplementation on cardiovascular events over an average follow-up of 5.3 years.

Initially, the results from VITAL seemed to show that omega-3 supplementation had no significant effect on major cardiovascular disease (CVD) events. However, by applying Bayesian methods and considering prior research in the field, we observed a more nuanced outcome. Our analysis suggested that taking EPA regularly could significantly reduce the risk of coronary heart disease events, while not showing similar benefits for stroke.

This finding supports the use of omega-3 fatty acids as a preventive measure for heart health, especially regarding coronary events. Although we didn't find evidence of a benefit for all types of cardiovascular events, the enhanced understanding gained from this reanalysis contributes valuable insights for both clinicians and patients considering omega-3 supplementation for heart disease prevention.
9.5
Normal cholesterol levels
Most Useful Review
Product quality is excellent! One of the best omega compositions, cholesterol is normal and my heart feels resilient; just ensure to take the vitamins on schedule for the best results in preventing heart disease.

Anxiety

SCIENTIFIC SCORE
Possibly Effective
Based on 40 Researches
7.6
USERS' SCORE
Good
Based on 2 Reviews
8.7
9
CYP11A1, Autism Symptoms, Vitamin D3
Placenta-specific CYP11A1 overexpression lead to autism-like symptom in offspring with altered steroid hormone biosynthesis in the placenta-brain axis and rescued by vitamin D intervention.
Most Relevant Research
We explored how overexpression of the CYP11A1 enzyme in the placenta can impact offspring and potentially lead to autism-like behaviors, particularly focusing on anxiety. Using a specialized murine model, we looked closely at how this genetic change affected social interactions and anxiety levels in the mice.

Our findings highlighted a significant increase in anxiety-related behaviors, which we measured through various tests like the open field and elevated plus maze assessments. Interestingly, we observed that supplementing with vitamin D3 led to noticeable improvements in these anxiety behaviors, suggesting a protective role for vitamin D3 against the adverse effects caused by altered hormone levels from the Cyp11a1 overexpression.

Additionally, we found that vitamin D3 treatment not only helped in behavioral aspects but also corrected underlying neuroinflammatory responses—specifically the activation of microglia in the brain. This suggests that addressing vitamin D levels during pregnancy could be a potential strategy to mitigate these changes and improve outcomes for offspring at risk of autism spectrum disorders.
10
Life-changing effect
Most Useful Review
No more anxiety. As a woman who used to rethink everything said or done during social outings, I suffered from anxiety. After starting Nordic Naturals Omega before bed, all those irrational thoughts vanished. I now simply feel like myself; calm and going with the flow. This product has truly changed my life; you won’t regret it.

Acne

SCIENTIFIC SCORE
Possibly Effective
Based on 18 Researches
7.2
USERS' SCORE
Good
Based on 2 Reviews
8.6
9
Eicosapentaenoic acid helps acne
Exploring the potential of omega-3 fatty acids in acne patients: A prospective intervention study.
Most Relevant Research
We focused our research on the potential benefits of eicosapentaenoic acid (EPA), a type of omega-3 fatty acid, for individuals suffering from acne. Over a period of 16 weeks, we encouraged 60 patients to follow a Mediterranean diet while taking algae-derived EPA and docosahexaenoic acid (DHA) supplements. Our goal was to see if increasing their omega-3 levels could improve acne symptoms.

At the start of the study, an impressive 98.3% of the participants were found to have low levels of EPA/DHA. By the end of the study, we observed a significant increase in their omega-3 levels from an average of 4.9% to 8.3%. This boost correlated with noticeable improvements in both inflammatory and non-inflammatory acne lesions.

Interestingly, we noted that while individual perceptions of appearance varied—some reporting no improvement—overall quality of life for the participants enhanced significantly, particularly in those with papulopustular acne. Alongside dietary changes, participants reduced their intake of cow’s milk and dairy products, and we did not encounter any negative side effects from the intervention.

Ultimately, our findings suggest that boosting omega-3 fatty acids, particularly EPA, through diet and supplementation can effectively help manage acne severity in patients.
9.5
Acne relief achieved
Most Useful Review
I tried various treatments, including creams and tretinoin tablets, for my acne, but the issue recurred after stopping. However, this product has been my saviour, as it seems my Vitamin D3 deficiency was the main cause of my acne.

Bloating

SCIENTIFIC SCORE
Likely Very Effective
Based on 2 Researches
9
USERS' SCORE
Good
Based on 2 Reviews
8.6
9
Calcium D3 reduces bloating
Calcium vitamin D3 supplementation in clinical practice: side effect and satisfaction.
Most Relevant Research
We explored the effectiveness of OsteoCalVitFort, a supplement combining 500 mg of calcium and 400 IU of vitamin D3, focusing specifically on its impact on bloating. The study involved 186 participants aged 18 to 65 years, who took two tablets daily—one after breakfast and one after dinner.

Through follow-up phone calls, we gathered information about any side effects and the overall satisfaction with the supplement. Notably, we observed a significant reduction in bloating, with the rate decreasing from 12.5% before taking the supplement to just 0.6% after. This impressive drop highlights the potential benefits of vitamin D3 in alleviating bloating discomfort.

Overall, the findings suggest that OsteoCalVitFort is not only effective but also well-received by users, with 94% reporting satisfaction with their experience. Importantly, we noted that no significant adverse effects were reported, setting OsteoCalVitFort apart from other supplements often linked with gastrointestinal issues.
8.8
Reduced bloating
Most Useful Review
Omega fire! I tried this product after using Solgar omega, which was unavailable. I prefer this one as I had bloating and a fishy aftertaste with the other. After taking these capsules, I've noticed less bloating, my skin is drier, and my health has improved. I'm also taking a vitamin complex and completed a hair trace element test. Now, I'm committed to a full course.

Cancer

SCIENTIFIC SCORE
Possibly Effective
Based on 43 Researches
7.7
USERS' SCORE
Good
Based on 3 Reviews
8.6
8
Vitamin D3 offers anti-cancer benefits
Liposomal encapsulation of cholecalciferol mitigates toxicity and delays tumor growth.
Most Relevant Research
We investigated the potential of vitamin D3, also known as cholecalciferol, in combating cancer while addressing concerns about its toxicity at higher doses. This study focused on enhancing the effectiveness of vitamin D3 through a clever method called liposomal encapsulation, which helps minimize side effects.

We prepared liposomal vitamin D3 (VD-LP) and conducted various tests to understand its capabilities. We found that this encapsulated form not only maintained high efficiency but also demonstrated improved stability. Our analyses showed that VD-LP had strong effects against cancer cells from colorectal, breast, and prostate cancers. Remarkably, it affected gene expression in immune cells, boosting elements that help fight infections and support the body's defenses.

Notably, VD-LP did a great job slowing tumor growth in mice and improved their survival rates without causing adverse effects like hypercalcemia, which is often a concern with regular vitamin D3 use. This evidence indicates that liposomal encapsulation of vitamin D3 could offer an effective cancer treatment strategy while minimizing unwanted side effects.

We believe this may pave the way for further research and clinical applications, showcasing vitamin D3 as a valuable addition to cancer therapy.
9.5
Prevented recurrence
Most Useful Review
Using for 10+ years. A wellness physician suggested these pills for my wellbeing. Every woman should take Vitamin D supplements, and I believe these are the best on the market. I had two rounds of breast cancer and have not experienced a recurrence since starting them.

Cold Sores

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.6
8.8
Heart support
Most Useful Review
Great! The finest manufacturer of supplements. I appreciate this complex, especially with D3. I'll continue taking it as I notice the effect on my health. The ingredients are natural, sourced from cold sea fish. It assists my heart and helps thin the blood, reducing cholesterol.

Heart Attack

SCIENTIFIC SCORE
Possibly Effective
Based on 45 Researches
7.6
USERS' SCORE
Good
Based on 2 Reviews
8.6
9
Calcitriol aids heart recovery
Novel Insights into the Cardioprotective Effects of Calcitriol in Myocardial Infarction.
Most Relevant Research
We examined the impact of calcitriol, the active form of vitamin D, on heart attack recovery using a mouse model of myocardial infarction (MI). In our study, we treated mice that had suffered a MI with calcitriol and observed promising results.

Our findings revealed that calcitriol helped reverse negative effects on heart function and reduced cardiac remodeling after a heart attack. It also targeted the inflammatory response typically associated with MI, improving the survival of heart muscle cells and promoting their regeneration.

We discovered that calcitriol works by enhancing the activity of the Vitamin D receptor (VDR). This process not only interferes with inflammatory signals but also leads to positive changes at the genetic level, further supporting heart health after an MI. Overall, our study provides strong evidence of calcitriol's cardioprotective properties, making it a potential treatment avenue for better outcomes following a heart attack.
9
Supported heart function
Most Useful Review
Pure omega improves brain and cardiovascular functioning, reduces the risk of heart attack and atherosclerosis, and bolsters immunity.

Knee Pain

SCIENTIFIC SCORE
Possibly Effective
Based on 28 Researches
7.2
USERS' SCORE
Good
Based on 2 Reviews
8.6
1
Vitamin D3 shows no benefit
Effect of Vitamin D Supplementation on Tibial Cartilage Volume and Knee Pain Among Patients With Symptomatic Knee Osteoarthritis: A Randomized Clinical Trial.
Most Relevant Research
We conducted a thorough investigation into the effects of vitamin D3 supplementation on knee pain and cartilage volume in people suffering from knee osteoarthritis, particularly those with low vitamin D levels. This study took place in Tasmania and Victoria, Australia, and was designed as a multicenter, randomized, double-blind, placebo-controlled clinical trial.

Over a span of two years, we divided participants into two groups: one received a monthly dose of oral vitamin D3 (50,000 IU), while the other group received a placebo. Our main focus was to evaluate any changes in tibial cartilage volume, measured through MRI, as well as the participants' knee pain levels as indicated by the Western Ontario and McMaster Universities Arthritis Index (WOMAC) pain score.

The results showed that, compared to the placebo group, those who received vitamin D3 experienced no significant differences in either tibial cartilage volume or reported knee pain over the two years. This indicates that vitamin D3 supplementation does not provide meaningful benefits for reducing tibial cartilage loss or improving knee pain in patients with symptomatic knee osteoarthritis.
8.8
Reduced toe pain
Most Useful Review
I've used this product for over 15 years and absolutely love it. I believe it has alleviated the pain in my big toe caused by osteoarthritis.

Liver Disease

SCIENTIFIC SCORE
Possibly Effective
Based on 47 Researches
7.8
USERS' SCORE
Good
Based on 1 Review
8.6
9
Vitamin D3 aids liver health
Effects of vitamin D supplementation on the glycaemic indices, lipid profile and liver function tests in patients with cirrhosis: a double-blind randomised controlled trial.
Most Relevant Research
We aimed to explore how vitamin D3 supplementation affects liver disease, specifically in patients with cirrhosis. In a thorough double-blind, randomized controlled trial involving 60 participants, we offered patients either a weekly dose of 50,000 IU of vitamin D or a placebo for 12 weeks. Our goal was to assess various health indicators, including serum vitamin D levels, blood glucose measures, and liver function tests.

After the 12-week period, we observed significant changes among those taking vitamin D. The serum levels of 25-hydroxy-vitamin-D3 increased substantially, alongside notable improvements in fasting blood glucose and insulin resistance, measured by HOMA-IR. These results suggest that vitamin D3 could play a beneficial role in managing certain metabolic aspects of liver disease in cirrhosis patients.

Overall, our study highlights the potential of vitamin D3 supplementation as a simple yet effective strategy to improve specific health parameters in people living with cirrhosis, paving the way for further exploration in this important area of research.
9.5
Significant improvement
Most Useful Review
I suffer from heart arrhythmia, and this product has greatly alleviated my symptoms, making me feel considerably better. I would certainly recommend it!

Migraine

SCIENTIFIC SCORE
Possibly Effective
Based on 36 Researches
7.4
USERS' SCORE
Good
Based on 2 Reviews
8.6
9.5
Eicosapentaenoic acid helps migraines
A 12-week randomized double-blind clinical trial of eicosapentaenoic acid intervention in episodic migraine.
Most Relevant Research
We conducted a thorough investigation into how eicosapentaenoic acid (EPA) can impact episodic migraines. In a carefully designed study, we gathered 70 participants who experienced these migraines and divided them into two groups. One group received a high dose of EPA, while the other was given a placebo. This approach ensured that we could see the true effects of EPA without bias.

After 12 weeks, the results were compelling. We noticed that those taking EPA had significantly fewer migraine days compared to the placebo group. In fact, participants on EPA reported an average reduction of 4.4 days per month, while those on the placebo had barely any change. The EPA group also experienced less need for acute headache medication and marked improvements in headache severity, disability, anxiety, depression, and overall quality of life.

Perhaps most striking was how particularly beneficial EPA seemed to be for female participants. Overall, the study demonstrated that high-dose EPA not only helped reduce the frequency and severity of migraines but also positively influenced the psychological aspects of living with migraines.

This suggests that incorporating EPA into migraine management could be a valuable option for those suffering from episodic migraines, especially as there were no major adverse effects reported.
8.8
Dissipating migraines
Most Useful Review
These are easy to swallow with no fishy burps, unlike other omega 3 supplements. I'm using them to increase my EPA and DHA intake, as I don't particularly like fish. I've noticed that my migraines have begun to dissipate. The dietitians I work with highly recommend this product for supplementation when natural sources are unavailable.

Arthritis

SCIENTIFIC SCORE
Possibly Effective
Based on 40 Researches
7.5
USERS' SCORE
Good
Based on 1 Review
8.6
8
Eicosapentaenoic acid aids arthritis
Effects of omega-3 supplementation on lipid metabolism, inflammation, and disease activity in rheumatoid arthritis: a meta-analysis of randomized controlled trials.
Most Relevant Research
We explored the effects of eicosapentaenoic acid (EPA), a key component of omega-3 fatty acids, on patients with rheumatoid arthritis (RA). This analysis gathered data from eighteen randomized controlled trials involving over a thousand RA patients, ensuring a comprehensive look at its impact.

Our findings revealed that EPA supplementation significantly increased levels of both eicosapentaenoic acid and docosahexaenoic acid (DHA). Additionally, we noted a reduction in the omega-6 to omega-3 fatty acid ratio, which is beneficial for overall health.

Moreover, we observed that EPA led to a decrease in triglyceride levels and tender joint counts among RA patients. However, while there were slight decreases in markers of inflammation, such as erythrocyte sedimentation rate and C-reactive protein, these changes were not statistically significant.

Overall, our analysis supports the idea that EPA has positive effects on lipid profiles and joint tenderness for those with RA, although not all inflammatory markers showed significant improvement.
9.5
Dramatic improvement noted
Most Useful Review
This product has alleviated my joint pain. Diagnosed with arthritis in my hips, I struggled to find a comfortable sleeping position. After taking Nordic Naturals Vitamin D3 and fish oil, recommended by a physician friend, I noticed dramatic improvement—I experience less pain daily and can find a comfortable position when falling asleep. Overall, I'm very pleased with this product.

Back Pain

SCIENTIFIC SCORE
Possibly Effective
Based on 27 Researches
7.9
USERS' SCORE
Good
Based on 2 Reviews
8.6
9
Vitamin D3 improves back pain
Vitamin D Supplementation in Patients with Chronic Low Back Pain: An Open Label, Single Arm Clinical Trial.
Most Relevant Research
We sought to understand the role of vitamin D3 supplementation in alleviating chronic low back pain (CLBP). In a single-arm, open-label study at a tertiary care hospital, we worked with 68 patients suffering from CLBP for at least three months, each demonstrating a significant pain level on a visual scale alongside low vitamin D levels.

Participants received 60,000 IU of vitamin D3 weekly for eight weeks. We tracked pain intensity and functional disability at various stages: at the outset, and then at two, three, and six months post-supplementation. Notably, we witnessed a remarkable increase in vitamin D levels from an average of 12.8 ng/mL to 36.07 ng/mL in those eight weeks, with 66% of participants achieving normal vitamin D levels.

The benefits didn’t stop there. Patients reported a significant drop in their pain scores at all follow-up periods, improving from 81 to 36 on the scale. Functional ability also saw enhancement over time, proving the positive influence of vitamin D3 on both pain and everyday activities.

Overall, our findings suggest that vitamin D3 supplementation can be an effective avenue for improving pain intensity and functionality in individuals with low back pain, warranting further investigation through controlled clinical trials.
9.5
Life changer
Most Useful Review
Arthritis suffers this is the Bomb and No Burps! These are working for both my husband and me. Thankfully, there are no fishy burps, and my knee pain has significantly reduced. I am now able to participate in activities I love without being chair-bound due to back pain. This product has improved my lifestyle immensely!

Bone Pain

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 1 Review
8.6
9.5
No more pain
Most Useful Review
Suffering from bone-on-bone knee issues, I found that taking two tablets in the morning and two in the evening alleviated all pain and inflammation. Consistency is crucial for this treatment.

Breast Cancer

SCIENTIFIC SCORE
Possibly Effective
Based on 48 Researches
7.5
USERS' SCORE
Good
Based on 1 Review
8.6
9
Vitamin D3 reduces breast cancer invasion
Mitigation of Breast Cancer Cells' Invasiveness via Down Regulation of ETV7, Hippo, and PI3K/mTOR Pathways by Vitamin D3 Gold-Nanoparticles.
Most Relevant Research
We set out to explore how Vitamin D3, when combined with gold nanoparticles (VD3-GNPs), could influence breast cancer's aggressiveness. Our research focused on breast cancer cell lines, specifically MCF-7 and MDA-MB-231, to see if this innovative treatment could significantly reduce cancer cell migration and invasion.

Through a series of methods including Western blots and migration/invasion assays, we observed that the VD3-GNP treatment led to an impressive reduction in cancer aggressiveness, with migration and invasion rates dropping by over 45%. This effect seems to come from the downregulation of key pathways associated with cancer growth and spread, namely the PI3K/AKT/mTOR pathway, as well as ETV7 and the Hippo pathway.

What's particularly surprising is the fact that we achieved these results using a relatively low dose of Vitamin D3—three orders of magnitude lower than doses used in past studies. This makes VD3-GNPs an appealing option for non-toxic and cost-effective treatments aimed at combating breast cancer's aggressive nature.
9.5
No recurrence
Most Useful Review
I've been using this for over ten years. My wellness physician suggested these pills for my health, especially Vitamin D supplements, which I believe every woman should include. After two rounds of breast cancer, I have had no recurrence while taking these pills.

Indigestion

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 1 Review
8.6
9.5
No stomach issues
Most Useful Review
I have tried other products and endured terrible indigestion and a nauseating fish taste, but not with this. It has a pleasant lemon flavour and does not irritate my stomach.

Allergies

SCIENTIFIC SCORE
Possibly Effective
Based on 28 Researches
7.8
USERS' SCORE
Good
Based on 2 Reviews
8.5
8
Omega-3s and skin allergies
ω3 fatty acid metabolite, 12-hydroxyeicosapentaenoic acid, alleviates contact hypersensitivity by downregulation of CXCL1 and CXCL2 gene expression in keratinocytes via retinoid X receptor α.
Most Relevant Research
We uncovered intriguing insights into how eicosapentaenoic acid (EPA) and its metabolite, 12-hydroxyeicosapentaenoic acid (12-HEPE), play a role in managing allergic responses, particularly in the skin. Our study revealed that when mice consumed an omega-3 fatty acid-rich diet, 12-HEPE became a significant metabolite in their skin.

Interestingly, we observed that the enzymes responsible for producing 12-HEPE were more active in the skin compared to other organs. This effective metabolite appeared to reduce inflammation caused by contact hypersensitivity. Specifically, we found that applying 12-HEPE topically limited the influx of neutrophils, a type of white blood cell involved in inflammatory responses.

Taking our research a step further, we investigated the effects of 12-HEPE on human skin cells, or keratinocytes, in lab conditions. Our findings showed that 12-HEPE inhibited two specific genes that cause neutrophils to be attracted to the site of inflammation, showcasing its potential as a therapeutic agent for allergy management. Overall, we identified 12-HEPE as a potent metabolite in the skin, suggesting that dietary omega-3 fatty acids could be a beneficial strategy in controlling allergic reactions.
8.8
Helps allergies
Most Useful Review
I adore this product, especially with added vitamin D3. After transitioning from chewable vitamin D and calcium, I noticed no changes—until I tried this. It has truly helped my allergies, likely due to the better oil absorption, although the capsule size is a bit large for me.

Autoimmune Disorder

SCIENTIFIC SCORE
Possibly Effective
Based on 47 Researches
7.6
USERS' SCORE
Good
Based on 1 Review
8.5
9
Vitamin D3 modulates autoimmune response
Vitamin D3 attenuates autoimmune thyroiditis by regulating Th17/Treg cell differentiation via YAP/JAK1/STAT1 axis.
Most Relevant Research
We explored how Vitamin D3 impacts autoimmune thyroiditis, a specific autoimmune disorder. In this study, researchers established a mouse model of experimental autoimmune thyroiditis (EAT) to see how Vitamin D3 could influence this condition. After eight weeks of treatment, they assessed thyroid health and immune response through various methods, including staining tissues and measuring hormone levels.

Our observations revealed that administering Vitamin D3 helped reduce damage to the thyroid and decreased the presence of inflammatory cells within the thyroid. This treatment also led to lower levels of thyroid hormones and autoimmune antibodies in the blood, highlighting its positive effect on thyroid function. Additionally, Vitamin D3 appeared to promote the regulatory T cell (Treg) subset while decreasing the levels of Th17 cells, which are often involved in autoimmune processes.

Mechanistically, the study found that Vitamin D3 triggered specific pathways that influence Treg cell activity and survival. Notably, it activated a signaling pathway involving YAP and JAK/STAT, which are crucial for immune cell regulation. These findings suggest that Vitamin D3 could play a significant role in balancing immune responses in autoimmune thyroiditis, making it a promising candidate for further research and potential treatment strategies.
8.8
Vitamin D recommendation
Most Useful Review
My daughter has an autoimmune disorder, and her endocrinologist has advised her to take Vitamin D. She enjoys fish oil, which makes it easier for her to take. Although she’s in college and it’s up to her to remember to take it, I trust Nordic Naturals for high quality and safe fish oil. It is expensive, but worth it.

Chest Pain

SCIENTIFIC SCORE
Questionable
Based on 10 Researches
6.8
USERS' SCORE
Good
Based on 1 Review
8.5
7
Eicosapentaenoic acid showed mixed results
Improvement of coronary vasomotion with eicosapentaenoic acid does not inhibit acetylcholine-induced coronary vasospasm in patients with variant angina.
Most Relevant Research
We examined how eicosapentaenoic acid (EPA), a key ingredient found in fish oil, impacts chest pain in patients with variant angina. Our study followed 22 individuals with this condition, where we infused acetylcholine, a substance known to cause coronary vasospasm, both before and after a four-month course of EPA treatment (1.8 g/day for 12 patients).

In the group that did not receive EPA, we observed no changes in how their coronary arteries responded to acetylcholine over time. However, for those treated with EPA, the results were quite intriguing. In non-spastic areas, the response shifted from vasoconstriction (narrowing) to vasodilation (widening). This indicates a notable improvement in how these arteries are functioning.

Yet, when it came to spastic sites where vasospasm had occurred, the coronary arteries remained responsive to acetylcholine, and the vasospasm persisted despite the EPA treatment. Thus, while EPA enhanced coronary responsiveness in some areas, it did not eliminate the acetylcholine-induced coronary vasospasms associated with variant angina.
8.5
Relieved chest pain
Most Useful Review
I have been using this product for over 15 years and truly love it. I feel it has assisted me with pain in my big toe caused by osteoarthritis, and it has been beneficial in alleviating my chest pain.

Chronic Fatigue Syndrome

SCIENTIFIC SCORE
Possibly Effective
Based on 9 Researches
7.3
USERS' SCORE
Good
Based on 1 Review
8.5
9.5
Eicosapentaenoic acid benefits CFS
Eicosapentaenoic acid-rich essential fatty acid supplementation in chronic fatigue syndrome associated with symptom remission and structural brain changes.
Most Relevant Research
We explored the potential benefits of eicosapentaenoic acid (EPA), an essential fatty acid, in treating chronic fatigue syndrome (CFS). A female patient with a six-year history of persistent CFS symptoms participated in the study, receiving a daily supplement rich in EPA.

After measuring her brain structure through high-resolution magnetic resonance imaging both at the beginning and 16 weeks later, we observed significant improvements in her symptoms starting just six to eight weeks into the treatment. Most notably, the patient's lateral ventricular volume—a key indicator of brain health—decreased from 28,940 mm³ to 23,660 mm³, indicating structural changes in her brain.

This research hints at the promising role of EPA in alleviating symptoms of chronic fatigue syndrome while also suggesting positive brain changes associated with treatment. The findings encourage further investigation into fatty acid supplementation's potential as an effective therapeutic strategy for CFS.
8.8
Mood lifting effects
Most Useful Review
A Converted Skeptic: After researching, I decided to try Omega 3, and Nordic Naturals came highly recommended. The product has surpassed my expectations. I've noticed a boost in my mood and my sore knees feel less painful, though I still rely on prescription anti-inflammatories while awaiting knee surgery. I also recommended it to a friend with chronic fatigue syndrome, and her mood has improved significantly since starting the supplements.

Constipation

SCIENTIFIC SCORE
Possibly Effective
Based on 1 Research
7
USERS' SCORE
Good
Based on 1 Review
8.5
7
Vitamin D3's impact on constipation inconclusive
Effectiveness of the Combination of Probiotic Supplementation on Motor Symptoms and Constipation in Parkinson's Disease.
Most Relevant Research
We explored the effects of probiotic supplementation combined with vitamin D3 on constipation and motor symptoms in individuals with Parkinson's disease. This study focused on a group of patients who had chronic constipation and used a specific probiotic formula.

Over the course of three months, we evaluated 32 patients to see if the supplementation made a difference in their digestive health and overall symptoms. We carefully monitored factors like bowel habits and employed various assessments to track the subjects' progress.

While our findings indicated some benefits from the probiotic intervention, the specific impact of vitamin D3 alone on constipation remains unclear due to the combination with probiotics in our approach. Therefore, we cannot draw definitive conclusions about the effectiveness of vitamin D3 by itself in alleviating constipation. Our research does suggest that the gut microbiome plays a role in managing symptoms associated with Parkinson's disease, emphasizing the importance of ongoing investigations in this field.
8
Helps with constipation
Most Useful Review
This product does not have any unpleasant smell or taste, and is superior to most Omega 3 supplements I’ve used. I take it for dry eyes but it’s too early to determine its effectiveness for that. However, it appears to assist my stomach, as I believe it helps with constipation.

Depression

SCIENTIFIC SCORE
Possibly Effective
Based on 47 Researches
7.1
USERS' SCORE
Good
Based on 1 Review
8.5
9
Vitamin D3 improves depressive symptoms
Effects of vitamin D supplementation on depression and some selected pro-inflammatory biomarkers: a double-blind randomized clinical trial.
Most Relevant Research
We conducted a double-blind randomized clinical trial to explore the effects of vitamin D3 supplementation on depression. Our study involved 56 adults with mild to moderate depression, who were assigned to either a vitamin D group or a placebo group. Over the course of eight weeks, the vitamin D group received a high dose of 50,000 IU cholecalciferol every two weeks, while the control group received a placebo.

After the treatment period, we observed that the participants who received the vitamin D3 experienced a significant reduction in depression severity, as measured by the Beck Depression Inventory-II. Interestingly, this improvement in mood occurred independently of any changes in inflammatory biomarkers like IL-1β, IL-6, and hs-CRP, which we also assessed during the study.

This indicates that while vitamin D supplementation may positively impact depressive symptoms, its effects are not directly linked to the inflammatory markers we evaluated. Our findings suggest that vitamin D3 could be a helpful addition to depression treatment strategies, particularly in individuals with low vitamin D levels.
8.8
Improved mood
Most Useful Review
I had researched Omega 3 and chose Nordic Naturals, which has exceeded my expectations. I've noticed significant improvements in my mood and stability. My arthritic knees are also less painful, although I still require regular anti-inflammatories while awaiting knee surgery. I've recommended this product to a friend suffering from depression, and her mood has notably improved since she began taking it.

Eczema

SCIENTIFIC SCORE
Possibly Effective
Based on 27 Researches
7.3
USERS' SCORE
Good
Based on 1 Review
8.5
9
Eicosapentaenoic Acid reduces eczema
Evaluating the Effect of Eicosapentaenoic Acid in Children With Atopic Dermatitis: A Randomized Triple-Blind Clinical Trial.
Most Relevant Research
We embarked on a study to find out how dietary eicosapentaenoic acid (EPA) could help children suffering from atopic dermatitis, a common form of eczema. In a randomized triple-blind clinical trial, 48 children with this condition were divided into two groups—one received 250 mg of EPA twice daily, while the other received a placebo for four weeks.

Our observations showed noticeable improvements in those who took EPA. After just two weeks, participants in the EPA group reported a reduction in their SCORAD scores, which are used to measure the severity of atopic dermatitis. The scores went down significantly compared to the placebo group. After four weeks, the number of children needing corticosteroids to manage their symptoms was also lower in the EPA group.

Despite these positive results, both groups reported few adverse effects, indicating that EPA supplementation is generally well-received. Overall, we conclude that adding EPA to the diet may be an effective and safe strategy for reducing eczema severity in children.
8.8
Skin healing efficacy
Most Useful Review
Good. This was recommended by my naturopath to assist in healing my skin from eczema. This product contains Vitamin D.

Irritable Bowel Syndrome

SCIENTIFIC SCORE
Possibly Effective
Based on 13 Researches
7
USERS' SCORE
Good
Based on 1 Review
8.5
9
Vitamin D3 benefits IBS in teens
Vitamin D supplementation in adolescents with irritable bowel syndrome: Is it useful? A randomized controlled trial.
Most Relevant Research
We aimed to understand how vitamin D3 supplementation might help adolescents suffering from irritable bowel syndrome (IBS), especially those who are deficient in vitamin D. Our study involved 112 adolescents diagnosed with IBS, who were split into two groups based on their age and gender.

One group received a daily dose of 2000 IU of oral vitamin D for six months, while the other group received a placebo. To evaluate the impact of the treatment, we assessed vitamin D levels and used various IBS scoring systems before and after the six-month period.

The results were promising for the vitamin D group. We observed significant improvements in both the IBS Severity Scoring System (IBS-SSS) and the quality of life related to IBS (IBS-QoL), with improvements noted at a high level of statistical significance. Additionally, the serum vitamin D levels in the treatment group doubled, which correlates with the improvements in IBS.

Interestingly, the placebo group did not show significant changes in their serum vitamin D levels. Throughout the study, we found that vitamin D supplementation was well tolerated, with no adverse effects reported.

In conclusion, our findings suggest that vitamin D3 supplementation can be quite beneficial for adolescents with IBS and vitamin D deficiency, helping to improve their symptoms and overall quality of life.
8.8
Bowel regulation benefit
Most Useful Review
The quality is good, and there’s no fishy smell at all. I appreciate that only small fish are used in the ingredients. This product helps regulate my bowel systems, which is beneficial for my irritable bowel syndrome. I hope my review assists you.

Blood Clot

SCIENTIFIC SCORE
Possibly Effective
Based on 34 Researches
7.2
USERS' SCORE
Good
Based on 1 Review
8.5
8
Vitamin D may influence blood clotting
Relationship between vitamin D deficiency and thrombus load in patients with ST-elevation myocardial infarction.
Most Relevant Research
We explored the connection between vitamin D levels and coronary thrombus load in patients who experienced ST-elevation myocardial infarction (STEMI). The study included 77 patients where we measured serum vitamin D levels, thrombus degree, and other relevant factors.

Our findings revealed that a concerning 79.22% of participants showed vitamin D deficiency, with those having milder thrombus loads possessing significantly higher vitamin D levels compared to those with severe thrombus loads. Moreover, as we assessed the severity of coronary artery condition, we noted that patients with higher thrombus burden also had markedly greater scores of atherosclerosis.

Importantly, we found clear negative correlations between vitamin D levels and measures of thrombus burden. Lower vitamin D levels aligned with higher TIMI frame counts—meaning more extensive vascular obstruction—suggesting that vitamin D might play a role in blood clot formation.

Overall, we determined that low 25(OH)D3 levels could be an independent predictor of high coronary artery thrombus load in STEMI patients. These findings highlight the potential significance of monitoring and perhaps addressing vitamin D levels in this vulnerable group.
8
Lowered blood pressure
Most Useful Review
Can Help Reduce Blood Pressure. After stopping this supplement for a while, my blood pressure increased during a screening. Upon resuming, my next test showed significant improvement. While I cannot substitute this for medication, it serves as a vasodilator that helps prevent blood clots and improve blood flow. They don’t have a fishy taste and are easy to take.

Heartburn

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 6 Reviews
8.4
9.5
No heartburn experienced
Most Useful Review
Very good Omega A large capsule with a slight lemon flavour. It swallows easily and does not induce heartburn.
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