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
A marine-sourced omega-3 softgel delivering EPA and DHA from ultra-pure fish oil, with added vitamin E to keep the oil fresh. The fish oil is screened under Pharmanex's quality process to be free of harmful levels of toxins, contaminants, and heavy metals. EPA and DHA are the fatty acids built directly into your cell membranes, where cells sense their surroundings 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. Because these are the fats built directly into every cell membrane, their reach is genuinely system-wide: the research ties adequate EPA and DHA to a healthy inflammation response and to normal heart, brain, and mood function, and — less talked about — to the gut lining and to the hormone-carrying membranes of both men and women, since all of those tissues run on the same membrane chemistry. The one hard requirement is freshness: these fats oxidize easily, which is why the added vitamin E, an antioxidant partner that protects the oil, and the toxin screening are mechanism, not marketing. A tested, protected marine oil is the evidence-based way to support the cell's Build function at the membrane — with the honest note that omega-3's clearest, best-established signal is the inflammation and membrane story, while the hormone and gut links are real but supporting rather than headline.
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 — EPA and DHA become part of the membrane itself, where 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 (3 profiled ingredients). Structure and function only — not a treatment claim.
The science on the ingredients
Comparative membrane incorporation of omega-3 fish oil triglyceride preparations differing by degree of re-esterification: A sixteen-week randomized intervention trialRandomized controlled trial2023
Different omega-3 triglyceride formulations vary in how efficiently EPA, DPA, and DHA are incorporated into red blood cell membrane phospholipids over 16 weeks.
Minton ST, Almada AL, Evans JL, Laidlaw M, Opheim J — PLoS One
Fish Oil Supplementation and Insulin Sensitivity: A Systematic Review and Meta-AnalysisMeta-analysis2017
Cited in Lustig's "Metabolical" (Chapter 14: What and how adults eat) to support the claim: "improving cognitive function."
H. Gao et al — Lipids Health Dis. 16 (1) (
Equal bioavailability of omega-3 PUFA from Calanus oil, fish oil and krill oil: A 12-week randomized parallel study.EmergingRandomized controlled trial2023
A randomized controlled trial on Omega-3 EPA/DHA found that at baseline, the three groups showed comparable (mean ± SD) O3I values (CO: 5.13 ± 1.12%, FO: 4.90 ± 0.57%, KO: 4.87 ± 0.77%).
Vosskötter F; Burhop M; Hahn A; Schuchardt JP — Lipids
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
Metabolomics revealed decreased level of omega-3 PUFA-derived protective eicosanoids in pregnant women with pre-eclampsia.EmergingClinical trial2019
A clinical trial on Omega-3 EPA/DHA found that the plasma levels of arachidonic acid metabolites and some of the lipoxygenase metabolites of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) showed an increasing trend.
Liu Y; Zu L; Cai W; Cheng Q; Hua T; Peng L; Li G; Zhang X — Clinical and experimental pharmacology & physiology
A self-emulsifying Omega-3 ethyl ester formulation (AquaCelle) significantly improves eicosapentaenoic and docosahexaenoic acid bioavailability in healthy adults.ContestedRandomized controlled trial2020
A randomized controlled trial on Omega-3 EPA/DHA found that the study revealed a significant difference in absorption (C and AUC ) between the AquaCelle group and the control group.
Bremmell KE; Briskey D; Meola TR; Mallard A; Prestidge CA; Rao A — European journal of nutrition
Effects of a Self-micro-emulsifying Delivery System Formulation Versus a Standard ω-3 Acid Ethyl Ester Product on the Bioavailability of Eicosapentaenoic Acid and Docosahexaenoic Acid: A Study in Healthy Men and Women in a Fasted State.EmergingRandomized controlled trial2018
A randomized controlled trial on Omega-3 EPA/DHA found that this finding was also true for EPA (geometric mean ratio [90% CI], 18.2 [11.3-29.3]) and DHA (geometric mean ratio [90% CI], 4.5 [2.9-7.0]).
Maki KC; Palacios OM; Buggia MA; Trivedi R; Dicklin MR; Maki CE — Clinical therapeutics
Minimal food effect for eicosapentaenoic acid and docosahexaenoic acid bioavailability from omega-3-acid ethyl esters with an Advanced Lipid Technologies (ALT )-based formulation.EmergingRandomized controlled trial2017
A randomized controlled trial on Omega-3 EPA/DHA found that a single dose of SC401 resulted in high levels of EPA and DHA total lipids in plasma in fasting and fed conditions.
Lopez-Toledano MA; Thorsteinsson T; Daak AA; Maki KC; Johns C; Rabinowicz AL; Sancilio FD — Journal of clinical lipidology
A Novel ω-3 Acid Ethyl Ester Formulation Incorporating Advanced Lipid Technologies (ALT ) Improves Docosahexaenoic Acid and Eicosapentaenoic Acid Bioavailability Compared with Lovaza .EmergingRandomized controlled trial2017
A randomized controlled trial on Omega-3 EPA/DHA found that when adjusted for baseline, SC401 had ~6% higher C and 18% higher AUC for EPA + DHA total lipids.
Lopez-Toledano MA; Thorsteinsson T; Daak A; Maki KC; Johns C; Rabinowicz AL; Sancilio FD — Clinical therapeutics
Do Eicosapentaenoic Acid and Docosahexaenoic Acid Have the Potential to Compete against Each Other?EmergingExpert review2020
DHA regulates membrane EPA levels by slowing its conversion to the elongation product n-3 docosapentaenoic acid, illustrating competitive omega-3 fatty acid metabolism.
Pal A; Metherel AH; Fiabane L; Buddenbaum N; Bazinet RP; Shaikh SR — Nutrients
Fish, Fish Oils and Cardioprotection: Promise or Fish Tale?EmergingExpert review2018
However, recent large-scale studies have failed to demonstrate any benefit of fish oil supplements on cardiovascular outcomes and mortality. Here, we review the different trials that evaluated the role of fish oil in cardiovascular diseases.
Goel A; Pothineni NV; Singhal M; Paydak H; Saldeen T; Mehta JL — International journal of molecular sciences
Omega-3 Long-Chain Polyunsaturated Fatty Acid Content and Oxidation State of Fish Oil Supplements in New ZealandEstablishedCross-sectional survey2017
Testing of 47 commercial fish oil products found most met voluntary oxidation limits, but a meaningful minority exceeded recommended peroxide, anisidine, or TOTOX oxidation values, evidence of real rancidity risk in the category.
Study authors per publication — Scientific Reports
Eicosapentaenoic acid inhibits intestinal β-carotene absorption by downregulation of lipid transporter expression via PPAR-α dependent mechanism.EmergingCohort study2016
A cohort study on Omega-3 EPA/DHA found that interestingly, EPA induced inhibition of β-carotene uptake and SR B1 expression were abrogated by specific PPARα antagonist, but not by PPARδ antagonist.
Mashurabad PC; Kondaiah P; Palika R; Ghosh S; Nair MK; Raghu P — Archives of biochemistry and biophysics
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
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
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)
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
Effect of eicosapentaenoic acid on innate immune responses in Atlantic salmon cells infected with infectious salmon anemia virus.2025
In Atlantic salmon cells, higher EPA concentrations combined with viral infection activated ferroptosis-related gene expression and oxygen radical formation pathways, a pattern not seen with EPA or infection alone, suggesting ferroptosis may limit viral replication.
Holmlund I; Ahmadi S; Ruyter B; Østbye TK; Bou M; Gjøen T — Virology journal
Eicosapentaenoic Acid (EPA) Alleviates LPS-Induced Oxidative Stress via the PPARα-NF-κB Axis.2025
In LPS-stimulated macrophages, EPA reduced inflammatory cytokines including IL-1b and oxidative stress, acting through the PPARalpha-NF-kB axis relevant to metabolic endotoxemia linked to obesity and type 2 diabetes.
AlAbduljader H; AlSaeed H; Alrabeea A; Sulaiman A; Haider MJA; Al-Mulla F; Ahmad R; Al-Rashed F — Oxidative medicine and cellular longevity
From Fish Oil to Resolution: A Narrative Review on the Potential of SPM-Enriched Marine Oil for Exercise-Induced Muscle Damage Recovery.2025
A narrative review describes how specialized pro-resolving mediators derived from omega-3 fatty acids may accelerate muscle repair after exercise-induced damage by clearing apoptotic cells and modulating macrophage polarization.
de Souza LC; Moris JM; Gordon PM; Heileson JL; Funderburk LK — Nutrients
Eicosapentaenoic acid enhances intestinal stem cell-mediated colonic epithelial regeneration by activating the LSD1-WNT signaling pathway.2025
In mice with DSS-induced colitis, EPA upregulated GPR120 to induce LSD1 expression, activating WNT signaling to increase intestinal stem cell proliferation and differentiation and reduce inflammatory cytokine levels.
Wang D; Wu N; Li P; Zhang X; Xie W; Li S; Wang D; Kuang Y; Chen S; Liu Y — Journal of advanced research
Eicosapentaenoic acid (EPA) reduced lipopolysaccharide-stimulated inflammatory response of RAW264.7 cells via the miR-125b-5p/CREB axis.2025
In immune cells, EPA reduced inflammatory response to a bacterial toxin by downregulating microRNA miR-125b-5p, which normally suppresses the anti-inflammatory CREB protein, revealing a specific microRNA-mediated pathway for EPA's anti-inflammatory effect.
Zhang L; Lin L; Xiao B; Huang K; Liu J; Chen YL; Lu L; Zhang Z; Zhang L; Li J; Ho KT; Luo L; Huang SY; Li G — International journal of biological macromolecules
GPR120 internalization: a key mechanism for EPA in antidepressant action.2025
Research finds EPA (omega-3) can reduce neuroinflammation driven by M1 microglial polarization through GPR120 receptor internalization, easing abnormal mood and behavior linked to immune-inflammatory signals in models of inflammatory depression.
Yu Q; Li H; Chen M; Pan Y; Zhou L; An L; Zhao J; Bai S; Liang Q; Zhang R; Deng D — Food & function
Aspartate Metabolism-Driven Gut Microbiota Dynamics and RIP-Dependent Mitochondrial Function Counteract Oxidative Stress.2025
In a gut-health model, aspartate metabolism reshaped gut microbiota composition and activated RIP-dependent mitochondrial signaling, helping cells maintain function and survival under chronic oxidative stress conditions.
Jin S; Wu J; Wang C; He Y; Tang Y; Huang L; Zhou H; Liu D; Wu Z; Feng Y; Chen H; He X; Yang G; Peng C; Qiu J; Li T; Yin Y; He L — Advanced science (Weinheim, Baden-Wurttemberg, Germany)
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. Optimum 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 Optimum 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 of two softgels with a meal that has some fat. Confirm on the current label whether the intended routine is once or twice daily.
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.
Optimum Omega is a marine-sourced omega-3 softgel providing EPA and DHA, with added vitamin E. These are the fatty acids built directly into your cell membranes, where cells sense their surroundings and pass signals. It fits anyone who wants a clean, no-narrative fish oil, since most people run low on omega-3s.
Common questions
What does Optimum 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 of two softgels with a meal that has some fat. Confirm on the current label whether the intended routine is once or twice daily.
What makes it different?+
It is a tested marine source with vitamin E to keep it stable — a simple, solid upgrade with no marketing story attached.