When you buy through our links, we earn a small commission -- and that is what funds all the free education here. It never costs you more. Products are not intended to diagnose, treat, cure, or prevent any disease.
What it is
High-purity marine omega-3 fatty acids -- EPA and DHA -- drawn from ultra-pure fish oil plus krill oil, which carries these fats in a phospholipid form the body reads easily. It is tested under a 6S quality process to be free of harmful levels of toxins and heavy metals, and it includes mixed tocopherols (vitamin E) to keep the oil fresh. These are the fats that get built directly into your cell membranes, the thin outer layer where cells sense the world and pass signals.
Why the evidence supports it
Omega-3 status is one of the most consistently studied nutrition markers there is, and most modern diets run measurably low on EPA and DHA. The research ties adequate intake to healthy cell-membrane structure and a normal inflammation response -- and it also shows these fats oxidize easily, so the purity and freshness of the source genuinely matter. A marine oil tested for both is what the evidence points to.
What it supports
- Supports healthy cell membrane structure
- Supports a healthy inflammation response already within normal range
- Supports normal heart and brain function as part of a balanced diet
- Provides EPA and DHA that diets often lack
Which function it supports
Ties to the cell's Build function via the cell membrane -- omega-3s become part of the membrane itself, which is where cellular signaling and exchange play out.
Learn the why behind this pillarHow it relates to your cells and mind
Every product here ties back to a specific job your body does. This one touches the functions below -- follow either link to see the mechanism in full, then dig into the studies.
What it is made of -- and the mechanisms behind it
Each ingredient acts on several of the body's functions. Taken together, this product touches these cell and mind functions -- follow any to see the mechanism in full.
The ingredients
Mechanisms drawn from our ingredient knowledge base (5 profiled ingredients). Structure and function only -- not a treatment claim.
The science on the ingredients
These studies are research on the ingredients and mechanisms in this product, not on the finished product itself, and they are shown for education. Nothing here is medical advice, and nothing here may be used to diagnose, treat, cure, or prevent any disease. Talk to your own provider about what is right for you.
- Effects of omega-3 fatty acid supplementation on heart rate variability
2026
A meta-analysis of 4 trials in 134 overweight or obese participants found omega-3 supplementation was associated with improved time-domain heart rate variability measures within individuals, though it showed no significant effect on frequency-domain measures versus placebo.
- Regulation of inflammation by omega-3 and omega-6 fatty acids: a meta-analysis of randomized trials
2026
In a review, This study quantitatively compared the anti-inflammatory effects of omega-3 and omega-6 polyunsaturated fatty acids (PUFAs) across different populations via meta-analysis
- DHA Alone, EPA + DHA, EPA + DHA + GLA, and EPA + DHA with or Without Vitamin D During Chemotherapy in Women with Breast Cancer: An Intervention- and Outcome-Stratified Systematic Review
Nutrients · 2026
In review, omega-3 supplementation formulations (DHA alone, EPA+DHA combinations, with or without vitamin D) during breast cancer chemotherapy showed variable intervention outcomes.
- Efficacy of phospholipid-bound omega-3 versus standard omega-3 in patients with hypertriglyceridemia: a randomized clinical trial.
BMC complementary medicine and therapies · 2026
In a small pilot trial of 44 adults with mildly elevated triglycerides, phospholipid-bound omega-3 did not significantly outperform standard omega-3 for lowering triglycerides or omega-3 index after 12 weeks.
- Microalgal oil as an alternative source of essential nutrients omega-3 DHA and EPA
2024
In a randomized trial of 74 healthy adults, blood phospholipid levels of EPA and DHA were statistically the same after 6 and 14 weeks of supplementation with microalgal oil compared to fish oil, supporting microalgae as an alternative source.
- Eicosapentaenoic acid inhibits cholesterol efflux pathways from cholesterol-loaded human THP-1 macrophages by reducing the hydrolysis of cholesteryl esters mediated by carboxylesterase 1.
Biochimica et biophysica acta. Molecular and cell biology of lipids · 2025
A clinical trial on Omega-3 EPA/DHA found that the diminished cholesterol efflux was not related to triglyceride accumulation or to variations in apo E secretion.
Effects of seal oil supplementation on lipid profile biomarkers: A systematic review and meta-analysis of randomized controlled trials.EmergingMeta-analysis2025
A meta-analysis of seal oil supplementation examined effects on lipid-profile biomarkers, concluding further evidence is needed to confirm consistent effects.
Gallo Ruelas M; Queiroz I; Pimentel T; Tavares AH; Defante MLR; Barbosa LM; Eckert I -- Prostaglandins, leukotrienes, and essential fatty acids
Omega-3 fatty acid supplementation in solid organ transplant recipients: A systematic review and meta-analysis of randomized controlled trials.EmergingMeta-analysis2025
A meta-analysis found omega-3 supplementation in solid organ transplant recipients was associated with improved lipid profiles and reduced blood pressure, pending larger trials.
Samankan S; Gharekhani A; Khiali S; Rezagholizadeh A; Agabalazadeha A; Sarbakhsh P; Alizadeh L; Sharifi A -- Clinical nutrition ESPEN
Efficacy of phospholipid-bound omega-3 versus standard omega-3 in patients with hypertriglyceridemia: a randomized clinical trial.EmergingRandomized controlled trial2026
In a small pilot trial of 44 adults with mildly elevated triglycerides, phospholipid-bound omega-3 did not significantly outperform standard omega-3 for lowering triglycerides or omega-3 index after 12 weeks.
Urina-Triana M; David-Pardo DG; Urina-Triana M; Valencia J; Bernal-Martínez A; Urina-Jassir D; Orozco-Acosta E; Elajami TK -- BMC complementary medicine and therapies
Navigating the Effects of Anti-Atherosclerotic Supplements and Acknowledging Associated Bleeding Risks.EmergingExpert review2025
Ginkgo biloba, ginger, ginseng, and curcumin show anti-inflammatory vascular activity but may also increase bleeding risk when combined with antithrombotic therapy.
Dobre MZ; Virgolici B; Doicin IC; Vîrgolici H; Stanescu-Spinu II -- International journal of molecular sciences
Recent advances in DHA-containing phospholipids (PL-DHA): Sources, position-specific effects, metabolic pathways, and biological activities.EmergingExpert review2025
DHA-containing phospholipids exert anti-inflammatory and neuroprotective activity through direct membrane effects and bioactive metabolite generation, informing structure-function relationships in cell biology.
He Y; Liu B; Ma X; Hu X; Yan W; Wang F -- Food research international (Ottawa, Ont.)
Evaluating the Real-World Safety of Icosapent Ethyl Versus Omega-3 Polyunsaturated Fatty Acid in Nationwide US Veterans Cohort: Examining Atrial Fibrillation and Bleeding Endpoints.EmergingCohort study2025
A cohort study compared icosapent ethyl to standard omega-3 fatty acids on atrial fibrillation and major bleeding endpoints in a veterans population.
Patil T; Gregory M; Savona N; Jarmukli N; Leonard CE -- Clinical drug investigation
Eicosapentaenoic acid inhibits cholesterol efflux pathways from cholesterol-loaded human THP-1 macrophages by reducing the hydrolysis of cholesteryl esters mediated by carboxylesterase 1.ContestedClinical trial2025
A clinical trial on Omega-3 EPA/DHA found that the diminished cholesterol efflux was not related to triglyceride accumulation or to variations in apo E secretion.
Nowak M; Dakroub H; Noël B; Rousseau-Ralliard D; Slimene S; Abi-Saleh N; Benardeau M; Vedie B; Cassard AM; Paul JL; Fournier N -- Biochimica et biophysica acta. Molecular and cell biology of lipids
Omega-3 Fatty Acids and Alzheimer's Disease: Toward a New Understanding of Neuroprotective Mechanisms and Intervention StrategiesEmergingExpert review2026
A review found marine omega-3 supplementation reduced amyloid-beta deposition and microglial activation in animal models of Alzheimer's disease, with heterogeneous but suggestive evidence that long-term DHA and EPA may improve cognition in mild cognitive impairment.
Giacoma Galizzi
Maternal docosahexaenoic acid and eicosapentaenoic acid supplementation: effects and mechanisms on lipid metabolism in the offspringEmergingExpert review2026
In a review, maternal EPA and DHA supplementation regulated offspring lipid metabolism genes and reduced metabolic disease risk.
Chuhan Shao; Hanmo Lin; Jie Yu; Haiyan Chen; Yaolin Ren; Jing Ren; Yuan Zeng; Yifan Wu; Qian Zhang; Xinhua Xiao
Fish Oil-Containing Injectable Lipid Emulsions in Parenteral Nutrition: Immunomodulation and Clinical Outcomes in Critically Ill Patients-Narrative ReviewEmergingExpert review2026
A review of critically ill patients found parenteral nutrition emulsions containing fish oil were associated with reduced infection and sepsis risk, shorter ICU stays and ventilation duration, and lower rates of delirium, versus soybean-oil-only emulsions.
Mariusz Kęska; Milena Kęska; Mirosław Perliński; Piotr Pabich; Dariusz Onichimowski
Nutraceutical eicosapentaenoic acid in treatment-resistant depression: The psychoneuroimmunity and clinical implicationsEmergingExpert review2025
In a review, EPA-predominant omega-3 supplementation was linked to improved outcomes in depression that had not responded to standard antidepressants, with proposed mechanisms including anti-inflammatory and gut-brain axis effects, across twelve small trials totaling 498 participants.
Chang JP; Iqbal AZ; Do QL; Yaseen M; Wu SK; Malau IA; Zailani H; Su KP -- Pharmacological research
Comparative Analysis of the Antioxidant and Anti-Inflammatory Effects of Krill and Fish OilEmergingExpert review2025
In review, krill oil and fish oil provide EPA and DHA in distinct molecular carriers (phospholipids vs. triglycerides), with comparable antioxidant and anti-inflammatory effects.
Esra Tansu Sarıyer; Murat Baş; Meral Yüksel
Underuse of Pharmacologic Therapies for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Before Specialist EvaluationEmergingNarrative review2026
In a review of 571 ME/CFS patients referred to a specialty clinic, most had tried supplements like vitamin D and fish oil before receiving medications commonly recommended by specialists.
Stephanie L Grach; Jaime Seltzer; Michael R Mueller; Chris A Aakre; Lasonya T Natividad; Donna K Lawson; Ravindra Ganesh; Ryan T Hurt
Eicosapentaenoic acid attenuates hyperoxia-induced lung injury via p38 MAPK/NF-κB-mediated regulation of glycolytic reprogramming.2026
In cell and animal models of hyperoxia-induced lung injury, eicosapentaenoic acid reduced damage by regulating p38 MAPK/NF-kB signaling and glycolytic reprogramming, building on lung-protective effects seen in COPD and asthma models.
Chen S; Gan L; Qu S; Yu K; Guo H; Lai R; Cui J; Li Y -- International immunopharmacology
Fish oil supplements in patients with chronic kidney diseaseEmerging2026
A review highlights the PISCES trial, in which 1.6 g EPA plus 0.8 g DHA daily in 1,228 haemodialysis patients over 3.5 years lowered the primary cardiovascular endpoint by 43%.
Charles J Ferro; Mark R Thomas; Sophia Khattak; Dimitrios Chanouzas; Jonathan N Townend
Blood serum from individuals with Alzheimer's disease alters microglial phagocytosis in vitro.2026
In vitro, exposing human microglial cells to blood serum from Alzheimer's disease patients altered microglial phagocytic activity, suggesting peripheral blood factors may influence disease-related brain immune cell function.
Altendorfer B; Poupardin R; Lefèvre-Arbogast S; Manach C; Low DY; Urpi-Sarda M; Andres-Lacueva C; González-Domínguez R; Felder TK; Tevini J; Zattoni M; Koller A; Schmidt R; Lucassen PJ; Ruigrok SR; de Lucia C; Du Preez A; Helmer C; Neuffer J; Proust-Lima C; Korosi A; Samieri C; Thuret S; Aigner L -- Neural regeneration research
Total Omega-3 Fatty Acid, Eicosapentaenoic Acid (EPA), and Docosahexaenoic Acid (DHA) are Positively Associated with Sleep Duration in Children Aged 3 -- 5 Years: A Preliminary StudyEmergingCross-sectional survey2026
In a cross-sectional study of 72 Indonesian preschoolers aged 3 to 5, higher blood levels of total omega-3, EPA, and DHA were each positively associated with longer sleep duration.
Marsella Dervina Amisi; Dian Novita Chandra; Ninik Mudjihartini; Rini Sekartini -- The Indonesian Biomedical Journal
Eicosapentaenoic acid reprograms cerebrovascular metabolism and impairs repair after brain injury, with relevance to chronic traumatic encephalopathy.2026
In a fish-oil diet model, EPA accumulated in the brain but was depleted after repetitive mild brain injury, coinciding with impaired vascular repair and angiogenesis relevant to chronic traumatic encephalopathy.
Karakaya E; Berber B; Eskiocak O; Edwards J; Barker RB; Jamil S; Li W; Abdul Y; Ericsson M; Stein T; McKee A; Ergul A; Beyaz S; Albayram O -- Cell reports
Clinically Significant Omega-3 Health Benefits From Stearidonic Acid and Buglossoides Oil: Plant-Based, Fish-Free Omega-3 that Converts Effectively to Eicosapentaenoic Acid/Docosahexaenoic AcidEmergingNarrative review2026
A review argues that plant-based stearidonic acid, as in Buglossoides oil, converts to EPA and DHA more efficiently than long assumed, with effects on inflammation, the gut-brain axis, and insulin sensitivity comparable to marine omega-3 sources.
Patrick Hanaway -- Integrative and Complementary Therapies
Dysregulation of Oral Microbial Eicosapentaenoic Acid Induced by Chronic Restraint Stress Exacerbates Periodontitis via M1 Macrophage Polarization.2026
In mice, chronic restraint stress worsened periodontitis by altering oral microbiota and depleting eicosapentaenoic acid, while EPA supplementation reduced periodontitis severity linked to M1 macrophage polarization.
Luo S; Lou F; Yang P; Zhang Y; Yan L; Dong Y; Yang B; Wang H; Liu Y; Pu J; Cannon RD; Xie P; Ji P; Jin X -- Advanced science (Weinheim, Baden-Wurttemberg, Germany)
Fish Oil Ameliorates Deoxynivalenol-Induced Liver Injury Through Modulating Ferroptosis Signaling Pathway in Weaned PigsEmerging2026
In weaned piglets fed deoxynivalenol contaminated feed, dietary fish oil reduced liver damage markers in blood and liver tissue and shifted expression of iron handling genes linked to a cell death pathway called ferroptosis, compared to standard corn oil feed.
Jiasi Liu; Minfang Zhang; Mohan Zhou; Junjie Guo; Shaokui Chen; Kan Xiao; Yulan Liu
Optimizing muscle mass and function in advanced lung cancer patients: randomized, double-blind, placebo-controlled trial protocol using High Eicosapentaenoic acid and PROtein (HEPRO) to modulate epigenetics, reduce toxicity and improve gut microbiota.2025
A trial protocol will test whether daily EPA-rich fish oil plus protein supplementation over four months preserves muscle mass, reduces treatment toxicity, and shifts gut microbiota in advanced lung cancer patients.
Borchardt I; Prado C; Montella T; Moreira GF; Farias G; Reis MX; Taveira F; Dias FC; De Marchi P; Davalos A; Silva CAC; Ferreira CG; Melo A; Peres W -- PeerJ
Re-evaluating omega-3 (EPA/DHA) in cancer prevention and managementEmergingNarrative review2026
This review found eicosapentaenoic acid intake was inversely associated with colorectal cancer risk, and omega-3 supplementation was linked to modest improvements in weight, inflammation and quality of life during cancer cachexia.
Alessio Molfino; Maurizio Muscaritoli; Federica Tambaro; Giovanni Imbimbo -- Current Opinion in Clinical Nutrition & Metabolic Care
Specialized pro-resolving mediators and autoimmunity: Recent insights and future perspectives.2025
Specialized pro-resolving mediators help shut down inflammation and restore tissue homeostasis after acute injury, and disrupted biosynthesis of these mediators is implicated in chronic rheumatic and autoimmune conditions.
Vomero M; Lamberti L; Corberi E; Currado D; Marino A; Berardicurti O; Fava M; Leuti A; Maccarrone M; Giacomelli R; Navarini L -- Autoimmunity reviews
Balanced by design -- we show supporting and contradicting findings. Search all studies
No product works in isolation
Every cell function above -- Sense, Exchange, Transform, Build, Maintain, Adapt -- needs the same broad base of optimal micronutrient levels running underneath it, all the time. Marine Omega is not a stand-alone fix; it is one piece that plugs into that larger system. The foundation comes first, and this supports it.
Stacks well with
Pick your goal -- here is what Marine Omega pairs with for each. Nothing works in isolation; these share the same systems.
For Foundation Nutrition
For Brain & Sleep
For Women's Health
For Mood & Hormones
Foundational, or targeted?
Not everything in the shop is meant to be taken forever. Some products here are foundational -- a daily nutrient base built for long-term, ongoing use. Others are targeted -- shorter-term support for a specific season, not a lifelong habit. If you are not sure which one this is, that is a fair question to ask us before you buy.
Learn more, on your terms
Do not take our word for it -- go read. Each topic below opens a pre-loaded search so you can explore the nutrient, the mechanism, or the device for yourself.
Search the full studies libraryHow to use it
Take the daily serving with a meal that contains some fat to help absorption. If you notice any fishy aftertaste, taking it with food or keeping it refrigerated usually helps.
Where to get it
We are lining up the best way to get this one to you. In the meantime, reach out and we will point you the right way -- or browse the full shop to see every product.
See the full shopThe studies
See the research behind the science we point to.
Explore studiesThe blog
Plain-language reads on how it all fits together.
Read the blogOptimal nutrients are the definition of longevity
Long-term cell function depends on having what it needs, at the level it needs it, for as long as it needs it. That is the whole thesis behind everything we point you to here.
When you buy through our links, we earn a small commission -- and that is what funds all the free education here. It never costs you more. Products are not intended to diagnose, treat, cure, or prevent any disease.
Marine Omega delivers high-purity marine omega-3 fatty acids (EPA and DHA) from fish. These are the fats built directly into your cell membranes, the thin outer layer where cells sense the world and pass signals. It is a simple upgrade for the many people whose diets run low on omega-3s.
FAQ
What does Marine Omega support?
It supports healthy cell membrane structure, a healthy inflammation response already within normal range, and normal heart and brain function as part of a balanced diet, while providing EPA and DHA that diets often lack.
How do I take it?
Take the daily serving with a meal that contains some fat to help absorption. If you notice any fishy aftertaste, taking it with food or keeping it refrigerated usually helps.
What makes it different?
It is a marine source tested for purity and freshness, rather than a cheaper oil that can oxidize. Clean, well-sourced omega-3s feed the membrane where signaling and exchange happen.