We examined the relationship between plasma omega-3 levels and heart failure (HF), focusing on how this affects mortality in patients with existing HF. Our analysis of the UK Biobank, which included nearly 272,000 participants without HF, showed that higher omega-3 levels were linked to a 21% lower risk of developing HF over nearly 14 years.
For those already diagnosed with HF, higher omega-3 levels significantly reduced the risk of all-cause and cardiovascular mortality by around 50%. These findings suggest that boosting omega-3 intake could be beneficial for heart health.
Read More
8
EPA lowers heart rhythm problems
Eicosapentaenoic acid prevents atrial electrocardiographic impairments and atrial fibrillation in high fat diet mice.
We investigated how eicosapentaenoic acid (EPA) affects heart rhythm, particularly in the context of high-fat diets. In our study, mice were divided into two groups: one received a high-fat diet, while the other’s diet was supplemented with EPA for eight weeks.
We observed that the mice on a high-fat diet experienced severe heart rhythm issues, such as bradycardia and atrial fibrillation (AF). In contrast, the EPA group showed significantly less AF and better heart function. These results suggest that including EPA in the diet could be a promising strategy to support heart health and reduce the risk of arrhythmias.
Read More
9
High-dose omega-3 improves heart function
The Optimal Dosage and Duration of ω-3 PUFA Supplementation in Heart Failure Management: Evidence from a Network Meta-Analysis.
We explored how omega-3 polyunsaturated fatty acids (PUFAs) can help manage heart failure by analyzing 14 randomized controlled trials involving over 9,000 participants.
Our findings revealed that high doses—between 2000 and 4000 mg daily—taken for at least a year, remarkably improved heart function.
However, lower doses or shorter treatment periods didn’t show the same benefits. Notably, there were no increased risks of adverse events or dropout rates in those taking omega-3 compared to control groups.
Read More
Most Useful Reviews
9
Improved heart function
1 people found this helpful
An excellent supplement for bolstering heart health, enhancing cognitive function, and reducing inflammation. I’m pleased with the outcomes and will continue its use. I recommend it for improving cardiovascular health; I’ve noticed an enhancement in heart function and an overall feeling of alertness, alongside better concentration. After a few weeks, my heart function improved, and I experienced less fatigue post-exercise.
Read More
9
Supports heart health
2 people found this helpful
The quality of this omega is top-notch, made from fish caught in natural waters, with purity certificates available. It’s enriched with polyphenols from olive leaves and sesame extract, providing a valuable supplement for the heart and circulation. Given the price per serving, it’s competitive with basic omega options. I’ll update my review after a month of use.
Read More
8
Vital compounds identified
1 people found this helpful
This product is wonderful; Omega-3 is essential, especially the compounds ALA and DHA, which are necessary for heart and blood vessel protection. Their total should be between 1 gram and 2 grams.
We analyzed the impact of different fatty acid-derived acylcarnitines on heart health. The study found that saturated and monounsaturated acylcarnitines, especially trans-elaidoylcarnitine, significantly impaired heart function and mitochondrial activity, leading to cardiotoxicity.
In contrast, omega-3-derived acylcarnitines, like eicosapentaenoylcarnitine and docosahexaenoylcarnitine, were found to be safe, having little to no negative effect on heart function and cell viability. Overall, this research suggests that omega-3 fatty acids may be a safer option for those facing cardiac challenges.
Read More
9
High-dose omega-3 improves heart function
The Optimal Dosage and Duration of ω-3 PUFA Supplementation in Heart Failure Management: Evidence from a Network Meta-Analysis.
We explored how omega-3 polyunsaturated fatty acids (PUFAs) can help manage heart failure by analyzing 14 randomized controlled trials involving over 9,000 participants.
Our findings revealed that high doses—between 2000 and 4000 mg daily—taken for at least a year, remarkably improved heart function.
However, lower doses or shorter treatment periods didn’t show the same benefits. Notably, there were no increased risks of adverse events or dropout rates in those taking omega-3 compared to control groups.
Read More
9
Omega-3 reduces heart disease risk
Association of Plasma Omega-3 Levels With Incident Heart Failure and Related Mortalities.
We examined the relationship between plasma omega-3 levels and heart failure (HF), focusing on how this affects mortality in patients with existing HF. Our analysis of the UK Biobank, which included nearly 272,000 participants without HF, showed that higher omega-3 levels were linked to a 21% lower risk of developing HF over nearly 14 years.
For those already diagnosed with HF, higher omega-3 levels significantly reduced the risk of all-cause and cardiovascular mortality by around 50%. These findings suggest that boosting omega-3 intake could be beneficial for heart health.
Read More
9
Omega-3 benefits African Americans’ heart health
Optimal Pair Matching Combined with Machine Learning Predicts a Significant Reduction in Myocardial Infarction Risk in African Americans Following Omega-3 Fatty Acid Supplementation.
We observed that the role of omega-3 fatty acids in heart health showed promising results specifically for African Americans. By comparing matched groups from the VITAL trial, we found that omega-3 supplementation significantly reduced the risk of myocardial infarction in African Americans, while no such benefit was seen in non-Hispanic whites.
This suggests that genetic or lifestyle factors may influence the effectiveness of these supplements. Our findings highlight the importance of further research to better understand how race affects responses to omega-3 supplementation.
Read More
8
EPA lowers heart rhythm problems
Eicosapentaenoic acid prevents atrial electrocardiographic impairments and atrial fibrillation in high fat diet mice.
We investigated how eicosapentaenoic acid (EPA) affects heart rhythm, particularly in the context of high-fat diets. In our study, mice were divided into two groups: one received a high-fat diet, while the other’s diet was supplemented with EPA for eight weeks.
We observed that the mice on a high-fat diet experienced severe heart rhythm issues, such as bradycardia and atrial fibrillation (AF). In contrast, the EPA group showed significantly less AF and better heart function. These results suggest that including EPA in the diet could be a promising strategy to support heart health and reduce the risk of arrhythmias.
An excellent supplement for bolstering heart health, enhancing cognitive function, and reducing inflammation. I’m pleased with the outcomes and will continue its use. I recommend it for improving cardiovascular health; I’ve noticed an enhancement in heart function and an overall feeling of alertness, alongside better concentration. After a few weeks, my heart function improved, and I experienced less fatigue post-exercise.
Read More
9
Supports heart health
2 people found this helpful
The quality of this omega is top-notch, made from fish caught in natural waters, with purity certificates available. It’s enriched with polyphenols from olive leaves and sesame extract, providing a valuable supplement for the heart and circulation. Given the price per serving, it’s competitive with basic omega options. I’ll update my review after a month of use.
Read More
8
Vital compounds identified
1 people found this helpful
This product is wonderful; Omega-3 is essential, especially the compounds ALA and DHA, which are necessary for heart and blood vessel protection. Their total should be between 1 gram and 2 grams.
Read More
7.5
Decreased palpitations
1 people found this helpful
I feel that my heart palpitations have lessened significantly. Indefinite complaints and headaches have also subsided. This may not be the sole reason, but given that fish is pricey and cooking is laborious, taking supplements is far more convenient for me.
Read More
7.5
High-quality fish oil
1 people found this helpful
After a lengthy search for high-quality fish oil with substantial levels of EPA and DHA, I chose Life Extension, Super Omega-3. After months of use, I’ve found it significantly beneficial. The high Omega-3 concentration is crucial for heart health, and the capsules have no fishy aftertaste. I noticed better concentration, reduced fatigue, and even improved skin. Although the capsules are large and the price is higher, the quality makes it worth it.
Heart disease refers to a range of conditions that affect the heart's function and overall health. This umbrella term includes various cardiovascular issues such as coronary artery disease, which is caused by the buildup of plaque in the arteries; heart rhythm problems (arrhythmias); and heart defects present at birth (congenital heart defects). Additionally, heart disease encompasses conditions related to the heart muscle, such as cardiomyopathy, and the heart's valves, which might not open or close properly. The effects of heart disease can be significant, impacting not only physical health but also quality of life, making prevention and timely medical intervention crucial.
Several risk factors contribute to the development of heart disease, including high blood pressure, high cholesterol levels, diabetes, obesity, poor diet, physical inactivity, and smoking. Genetics also play a role, as heart disease can run in families. To mitigate the risks, healthcare professionals typically recommend lifestyle changes such as adopting a heart-healthy diet, engaging in regular physical activity, and avoiding tobacco use. For those already diagnosed with heart disease, treatment options can vary widely, ranging from lifestyle modifications to medications and, in severe cases, surgical interventions. Understanding the nature of heart disease and its risk factors is an essential step toward prevention and effective management.
Omega-3 fish oil is a nutritional supplement derived from the fatty tissues of fish, particularly fatty fish like salmon, mackerel, and sardines. It is rich in omega-3 fatty acids, which are essential fats that the body cannot produce on its own. The most significant types of omega-3s found in fish oil are eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), both of which are known for their numerous health benefits. These include reducing inflammation, supporting heart health, and promoting brain function.
Incorporating omega-3 fish oil into your diet can be beneficial if you don’t consume enough fish regularly. Many health experts recommend oily fish as a part of a balanced diet due to their high omega-3 content. For those who find it difficult to include fish in their meals, fish oil supplements can offer a convenient alternative, providing the same essential fatty acids in concentrated form. However, it’s essential to choose high-quality supplements that are third-party tested for purity and potency to avoid contaminants such as heavy metals or other toxins that can impact health.
Omega-3 fish oil has long been touted for its potential heart health benefits, and there is a growing body of research that supports its positive role in cardiovascular health. Omega-3 fatty acids—primarily EPA and DHA, found in fish oil—are known to help reduce inflammation, lower triglyceride levels, and may improve arterial function. Studies suggest that regular consumption of omega-3s can lead to a modest reduction in the risk of heart disease, particularly for those with existing cardiovascular conditions or elevated risk factors.
However, it's essential to note that while omega-3 fish oil can be beneficial, it should not be seen as a standalone treatment for heart disease. It's most effective when used in conjunction with a heart-healthy lifestyle, which includes a balanced diet, regular exercise, and other preventative measures. As always, it's recommended to consult with a healthcare professional before starting any new supplement regimen, especially for individuals with existing health issues or those on medication. Keep in mind that the effectiveness can vary from person to person, depending on individual health profiles and dietary needs.
Based on user reviews, results from taking this heart disease supplement can vary, but many users report noticeable improvements within a few weeks to a few months. For instance, one reviewer mentioned that after a few weeks of use, they experienced enhancements in heart function and reduced post-exercise fatigue (Read Review). Another user indicated they would update their review after a month of use, suggesting that noticeable effects may begin to be observed over that timeframe (Read Review).
Additionally, some users reported improvements after several months. For instance, one user mentioned significant benefits after months of consistent use, including better concentration and reduced fatigue (Read Review). Overall, while individual experiences may differ, it's common to see the initial benefits of omega-3 supplements within a month, with more pronounced results becoming evident over a longer period.
The research surrounding omega-3 fatty acids suggests a strong link to improved heart health and a potential reduction in the risk of heart disease. A study showed that diets low in omega-3 contributed significantly to the burden of ischemic heart disease, linking inadequate intake to millions of health-related issues and deaths globally [2]. Furthermore, a systematic review indicated that high doses of omega-3 could greatly enhance heart function and reduce cardiometabolic risk factors in clinical settings [6].
Other studies reinforced these findings, demonstrating that eicosapentaenoic acid (EPA)—a type of omega-3—can mitigate heart rhythm issues and enhance overall heart function, particularly in those on high-fat diets [3]. Additionally, a randomized trial indicated that omega-3 supplementation might help manage arrhythmias and reduce harmful heart rhythms in patients recovering from acute coronary syndrome [7]. Overall, these studies indicate that incorporating omega-3 fatty acids into one’s diet could be a beneficial strategy in supporting heart health and reducing heart disease risk.
Based on user reviews, many individuals have reported a variety of improvements in their health after incorporating this omega-3 supplement into their routines. A significant number of users highlighted enhancements in heart function, feeling that it contributed to reduced fatigue after exercise (Read Review, Read Review) and overall cardiovascular health. Users have also noted a decrease in heart palpitations and general complaints, with one reviewer mentioning that their headaches significantly subsided after starting the supplement (Read Review).
In addition to cardiovascular benefits, reviews suggest cognitive enhancements and improvements in mental clarity and concentration. Several users indicated experiencing better mental alertness, with some attributing a clearer mind and reduced fatigue to their use of the product, particularly after longer-term use (Read Review, Read Review) . Ultimately, while individual results may vary, it seems common for users to experience both heart-related and cognitive benefits within weeks or months of consistent use.
Based on user reviews, many individuals have successfully combined this omega-3 supplement with other dietary supplements or lifestyle practices to enhance their heart health. Users have reported that these combinations often led to complementary benefits, such as improved heart function, enhanced cognitive clarity, and better overall well-being. For instance, one reviewer noted significant improvements in heart function and concentration after incorporating the supplement into their daily routine alongside other health regimens (Read Review). Another user emphasized the value of the supplement for cardiovascular health, which they paired with a heart-healthy diet, observing positive effects on their blood test results (Read Review).
However, some users are cautious and report not specifically mixing this omega supplement with others but instead focus on maintaining a balanced diet to maximize its effectiveness. One user highlighted the necessity of managing dosages, particularly when considering the potent EPA and DHA levels in this product (Read Review). Ultimately, while many have found success in using this omega-3 alongside other supplements or health-conscious habits, the specific combinations seem to be based on individual preferences and health goals.
Research supports that the optimal dosage range for Omega-3 Fish Oil to enhance heart health lies between 2000 to 4000 mg daily. A study involving over 9,000 participants revealed that adhering to this high dosing regimen for at least a year resulted in notable improvements in heart function, showing no increased risk of adverse events compared to control groups [6]. Furthermore, other studies indicate that regular Omega-3 supplementation can help manage heart rhythm issues and lower the risk of cardiovascular events, particularly in high-risk patients [3], endorsing the use of higher doses for maximum benefit.
The evidence is compelling that a diet rich in Omega-3 fatty acids is critical not just for those with existing heart conditions but also for general heart health. A correlation has been established between low Omega-3 intake and increased ischemic heart disease burden, highlighting the importance of incorporating these essential fatty acids into our daily diets [2]. Overall, those looking to support their heart health should consider fish oil supplements within this recommended dosage range, particularly for long-term management or prevention of heart-related issues.
9
Improved heart function
1 people found this helpful
An excellent supplement for bolstering heart health, enhancing cognitive function, and reducing inflammation. I’m pleased with the outcomes and will continue its use. I recommend it for improving cardiovascular health; I’ve noticed an enhancement in heart function and an overall feeling of alertness, alongside better concentration. After a few weeks, my heart function improved, and I experienced less fatigue post-exercise.
7.5
Valuable complex supplement
This omega source from wild fish boasts purity and includes beneficial olive polyphenols, making it a valuable supplement for cardiovascular health. With a fair price compared to standard omega options, it’s a wise choice for those prioritising heart and vessel support. I’ll provide more insight after a month of use.
7.5
High-quality fish oil
1 people found this helpful
After a lengthy search for high-quality fish oil with substantial levels of EPA and DHA, I chose Life Extension, Super Omega-3. After months of use, I’ve found it significantly beneficial. The high Omega-3 concentration is crucial for heart health, and the capsules have no fishy aftertaste. I noticed better concentration, reduced fatigue, and even improved skin. Although the capsules are large and the price is higher, the quality makes it worth it.
6
Supports heart function
The quality of this omega is exceptional. It includes powerful antioxidants beneficial for overall health. It supports heart function, restores cholesterol levels, reduces inflammation, and even enhances skin and hair. The taste is neutral and easy to consume. It has also improved my cognitive health significantly. I highly recommend it.
7.5
Decreased palpitations
1 people found this helpful
I feel that my heart palpitations have lessened significantly. Indefinite complaints and headaches have also subsided. This may not be the sole reason, but given that fish is pricey and cooking is laborious, taking supplements is far more convenient for me.
7.5
High EPA/DHA levels
Watch for variances in dosages among Life Extension Omega 3 variants. The enterically coated capsules lack fish taste and contain quality ingredients. Omega-3 is crucial for managing cholesterol and inflammation as we age, and the high EPA/DHA levels are rare in many products, promoting heart and mental well-being.
7.5
Boosts HDL cholesterol
1 people found this helpful
This fish oil, suitable for middle-aged users, effectively boosts HDL cholesterol for heart health. Based on my blood test results, it has proven effective. There’s no fishy taste, and it’s well-packaged to avoid waste, though I didn’t notice any hair improvement.
4
Omega-3 deficiency linked to heart disease
A global analysis of the burden of ischemic heart disease attributable to diet low in ω-3 fatty acids between 1990 and 2021.
We examined how a diet deficient in omega-3 fatty acids correlates with the burden of ischemic heart disease (IHD) from 1990 to 2021.
The findings reveal a concerning association: low omega-3 intake contributed to millions of disability-adjusted life years and deaths globally, indicating a notable impact on heart health.
While some regions, like South Asia, faced a higher burden, the overall trend shows that promoting healthier diets rich in omega-3 could be pivotal in reducing heart disease risk.
9
High-dose omega-3 improves heart function
The Optimal Dosage and Duration of ω-3 PUFA Supplementation in Heart Failure Management: Evidence from a Network Meta-Analysis.
We explored how omega-3 polyunsaturated fatty acids (PUFAs) can help manage heart failure by analyzing 14 randomized controlled trials involving over 9,000 participants.
Our findings revealed that high doses—between 2000 and 4000 mg daily—taken for at least a year, remarkably improved heart function.
However, lower doses or shorter treatment periods didn’t show the same benefits. Notably, there were no increased risks of adverse events or dropout rates in those taking omega-3 compared to control groups.
8
EPA lowers heart rhythm problems
Eicosapentaenoic acid prevents atrial electrocardiographic impairments and atrial fibrillation in high fat diet mice.
We investigated how eicosapentaenoic acid (EPA) affects heart rhythm, particularly in the context of high-fat diets. In our study, mice were divided into two groups: one received a high-fat diet, while the other’s diet was supplemented with EPA for eight weeks.
We observed that the mice on a high-fat diet experienced severe heart rhythm issues, such as bradycardia and atrial fibrillation (AF). In contrast, the EPA group showed significantly less AF and better heart function. These results suggest that including EPA in the diet could be a promising strategy to support heart health and reduce the risk of arrhythmias.
7
Omega-3 may reduce certain arrhythmias
The impact of Omega-3 supplementation on arrhythmia reduction in acute coronary syndrome patients: a randomized clinical trial.
We conducted a randomized clinical trial with 74 patients recovering from acute coronary syndrome (ACS) to see if Omega-3 supplementation could help reduce harmful heart rhythms. Participants received either a daily dose of 1 gram of Omega-3 or a placebo for five days, with their heart rhythms closely monitored using ECGs.
Our findings showed that Omega-3 fatty acids could potentially help manage arrhythmias, especially atrial fibrillation and some types of contractions. However, the treatment had minimal impact on more severe arrhythmias like ventricular tachycardia and fibrillation, indicating that more research is needed in this area.
References
Liepinsh E, Gukalova B, Krims-Davis K, Kuka J, Leduskrasta A, et al. EPA and DHA acylcarnitines are less cardiotoxic than are saturated and monounsaturated long-chain acylcarnitines. Biofactors. 2025;51:e70014. 10.1002/biof.70014
Xu J, Peng T, Kong L, Wei N. A global analysis of the burden of ischemic heart disease attributable to diet low in ω-3 fatty acids between 1990 and 2021. BMC Cardiovasc Disord. 2025;25:188. 10.1186/s12872-025-04620-z
Horii K, Ono K, Sumi T, Higashihara M, Zaima N, et al. Eicosapentaenoic acid prevents atrial electrocardiographic impairments and atrial fibrillation in high fat diet mice. J Physiol Sci. 2025;75:100014. 10.1016/j.jphyss.2025.100014
Dawczynski C, Drobner T, Weidauer T, Schlattmann P, Kiehntopf M, et al. Reduction of cardiovascular risk factors by the diet - Evaluation of the MoKaRi concept by a parallel-designed randomized study. Lipids Health Dis. 2025;24:88. 10.1186/s12944-025-02500-1
Aggarwal R, Bhatt DL, Steg PG, Miller M, Brinton EA, et al. Cardiovascular Outcomes With Icosapent Ethyl by Baseline Low-Density Lipoprotein Cholesterol: A Secondary Analysis of the REDUCE-IT Randomized Trial. J Am Heart Assoc. 2025;14:e038656. 10.1161/JAHA.124.038656
Tseng PT, Zeng BY, Hsu CW, Liang CS, Stubbs B, et al. The Optimal Dosage and Duration of ω-3 PUFA Supplementation in Heart Failure Management: Evidence from a Network Meta-Analysis. Adv Nutr. 2025;16:100366. 10.1016/j.advnut.2025.100366
Hemmati R, Bahrami Zanjanbar D, Shishesaz MI, Soleimani A, Yari T. The impact of Omega-3 supplementation on arrhythmia reduction in acute coronary syndrome patients: a randomized clinical trial. J Complement Integr Med. 2025;22:173. 10.1515/jcim-2024-0427
Wang Y, Wu G, Wang Y, Rehman A, Yu L, et al. Recent developments, challenges, and prospects of dietary omega-3 PUFA-fortified foods: Focusing on their effects on cardiovascular diseases. Food Chem. 2025;470:142498. 10.1016/j.foodchem.2024.142498
Jawad MA, O'Keefe JH, Tintle N, O'Keefe EL, Franco WG, et al. Association of Plasma Omega-3 Levels With Incident Heart Failure and Related Mortalities. Mayo Clin Proc. 2024;99:1895. 10.1016/j.mayocp.2024.08.007
Lee YQ, Tan KH, Chong MF. Biomarkers of PUFA and cardiovascular risk factors and events in healthy Asian populations: a systematic review. Br J Nutr. 2024;132:1474. 10.1017/S0007114524002708
Li J, Nan W, Huang X, Meng H, Wang S, et al. Eicosapentaenoic acid induces macrophage Mox polarization to prevent diabetic cardiomyopathy. EMBO Rep. 2024;25:5507. 10.1038/s44319-024-00271-x
Ryuno Y, Kobayashi JI, Fujimoto Y, Dotare T, Matsue Y, et al. Effect of an Enteral Formula Enriched With ω-3 Fatty Acids, Carnitine, and Vitamin D on Body Weight, Heart Weight, and Blood Biochemical Parameters in a Dahl Rat Heart Failure Model. J Cardiovasc Pharmacol. 2024;84:590. 10.1097/FJC.0000000000001637
Sun S, Hara A, Johnstone L, Hallmark B, Watkins JC, et al. Optimal Pair Matching Combined with Machine Learning Predicts a Significant Reduction in Myocardial Infarction Risk in African Americans Following Omega-3 Fatty Acid Supplementation. Nutrients. 2024;16. 10.3390/nu16172933
Ahmadi M, Askari VR, Shahri B, Mousavi Noghab SM, Jarahi L, et al. Omega-3 fatty acids effectively mitigate high-sensitivity C-reactive protein (hs-CRP) biomarker of inflammation in acute myocardial infarction patients: a randomized, double-blind, placebo-controlled clinical trial. Naunyn Schmiedebergs Arch Pharmacol. 2025;398:881. 10.1007/s00210-024-03330-1
Chen HC, Tai CJ, Huang JY, Kuo TA, Huang YD, et al. Associations of fish oil with cardiovascular disease events: results from the Taiwan longitudinal study in aging. BMC Public Health. 2024;24:1979. 10.1186/s12889-024-19512-8
Yu Y, Gao M, Xu H. Ginger Extract and Omega-3 Fatty Acids Supplementation: A Promising Strategy to Improve Diabetic Cardiomyopathy. Physiol Res. 2024;73:351.