Not medical advice. I am a software engineer, not a physician. This page documents my own protocol and the research I read while building it. Talk to a qualified clinician before changing your supplementation, diet or any treatment. Lab reference ranges quoted here vary by laboratory and by individual.
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Omega-3 fatty acids — specifically eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) — are essential polyunsaturated fats that the human body cannot synthesize efficiently. While alpha-linolenic acid (ALA) from plant sources can theoretically convert to EPA and DHA, the conversion rate is dismally low: less than 5% for EPA and less than 0.5% for DHA. This makes direct supplementation with preformed EPA and DHA from marine sources the only reliable strategy for achieving therapeutic levels.
EPA and DHA serve fundamentally different roles. EPA is the anti-inflammatory powerhouse, serving as the precursor to resolvins and protectins that actively resolve inflammation. DHA is the structural backbone of neuronal membranes — approximately 60% of the brain's fatty acid content is DHA. Together, they represent one of the most well-researched supplement categories in all of nutrition science.
EPA is enzymatically converted by cyclooxygenase and lipoxygenase enzymes into specialized pro-resolving mediators (SPMs): E-series resolvins, protectins, and maresins. Unlike NSAIDs that merely suppress inflammation, SPMs actively resolve it — clearing inflammatory debris, promoting macrophage phagocytosis, and restoring tissue homeostasis. EPA also competes with arachidonic acid (AA) for COX-2, shifting the eicosanoid profile from pro-inflammatory prostaglandins (PGE2) toward anti-inflammatory prostaglandins (PGE3).
DHA constitutes the primary structural fatty acid of brain gray matter and retinal photoreceptors. It confers unique biophysical properties to neuronal membranes: increased fluidity, enhanced receptor trafficking, and faster synaptic vesicle fusion. DHA-enriched membranes support optimal function of embedded proteins including serotonin receptors, dopamine receptors, and ion channels critical for neurotransmission. DHA deficiency reduces brain-derived neurotrophic factor (BDNF), impairing neuroplasticity and memory consolidation.
Fish oil exists in two primary forms: triglyceride (TG) and ethyl ester (EE). The triglyceride form has 70% higher bioavailability than ethyl ester because pancreatic lipase cleaves TG bonds 10-50x faster than EE bonds. Wiley's Finest uses the triglyceride form, ensuring maximum absorption and incorporation into cell membranes.
Key insight: Most cheap fish oils use ethyl ester form. Always check the supplement facts for "triglyceride form" or "rTG" (re-esterified triglyceride). The price difference is justified by dramatically better absorption.
| Parameter | Detail |
|---|---|
| Product | Wiley's Finest Wild Alaskan Fish Oil — Peak Omega-3 Liquid |
| Dose | 5 ml (1 teaspoon) |
| Timing | With breakfast (fat-containing meal enhances absorption) |
| Form | Triglyceride (rTG) — superior bioavailability |
| Key actives | EPA + DHA from wild-caught Alaskan Pollock |
| Notes | Natural lemon flavor minimizes fishy aftertaste. Refrigerate after opening. |
Omega-3 supplementation is backed by some of the most robust evidence in nutritional science, with thousands of clinical trials and multiple meta-analyses confirming benefits across cardiovascular, neurological, and inflammatory endpoints.
Rizos, E. C., et al. (2012). Association between omega-3 fatty acid supplementation and risk of major cardiovascular disease events: a systematic review and meta-analysis. JAMA, 308(10), 1024-1033. PubMed 22332096
Bradbury, J. (2011). Docosahexaenoic acid (DHA): an ancient nutrient for the modern human brain. Nutrients, 3(5), 529-554. PubMed 20439549
Serhan, C. N., et al. (2011). Resolvins: a family of bioactive products of omega-3 fatty acid transformation circuits initiated by aspirin treatment that counter proinflammation signals. J Exp Med, 196(8), 1025-1037. PubMed 21961774
Omega-3 Index target: The Omega-3 Index (EPA+DHA as % of red blood cell membranes) is the gold standard biomarker. Target 8-12% for optimal cardiovascular and cognitive protection. Most unsupplemented adults score 4-5%, placing them in the high-risk zone.
The 2026 PISCES trial found that 4 g/day of fish oil in dialysis patients reduced major cardiovascular events by 43% (heart attacks, strokes, cardiac-related deaths, and vascular amputations) compared to placebo. A 2025 systematic review and meta-analysis of 42 studies (176,253 participants) confirmed that EPA and DHA modulate lipid metabolism, inflammation, platelet and endothelial function, the gut-heart axis, ion channels, and autonomic function via vagal tone. A 2025 dose-response meta-analysis of 23 RCTs (2,061 patients with coronary heart disease) assessed the impact of omega-3 on lipid profiles and arterial plaque volume. However, 2025 research also found a nuanced risk: a meta-analysis of 8 RCTs (83,112 participants) showed that EPA/DHA supplementation was linked to a 24% higher relative risk of atrial fibrillation, though newer analyses measuring circulating omega-3 levels show higher blood concentrations are associated with lower AF risk.
| Test | What It Measures | Link |
|---|---|---|
| Omega-3 Index | EPA+DHA as percentage of RBC membranes; direct measure of tissue omega-3 status | Lab Tests |
| Lipid Panel | Triglycerides, LDL, HDL; omega-3 lowers triglycerides by 15-30% | Lab Tests |
| CRP / hs-CRP | Systemic inflammation; EPA-derived resolvins reduce CRP over 8-12 weeks | Lab Tests |
Wiley's Finest Wild Alaskan Fish Oil — Peak Omega-3 Liquid (250 ml / 8.45 fl oz) — $56.92 on iHerb.
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