What It Measures
This test measures the relative proportion of omega-6 polyunsaturated fatty acids to omega-3 polyunsaturated fatty acids in your blood or red blood cell membranes. Omega-6 fats (from vegetable oils, processed foods, and conventional meat) tend to promote inflammatory pathways, while omega-3 fats (from fatty fish, flaxseed, and walnuts) promote anti-inflammatory and pro-resolving pathways. The ratio reflects your dietary fat balance and your body's inflammatory set point.
The Omega-6/Omega-3 ratio measures the balance between pro-inflammatory omega-6 fatty acids (like arachidonic acid and linoleic acid) and anti-inflammatory omega-3 fatty acids (like EPA and DHA) in cell membranes or blood. This ratio is a key indicator of systemic inflammatory status and cardiovascular risk, with modern Western diets typically skewing heavily toward omega-6, driving chronic inflammation. Optimizing this ratio is considered one of the most impactful dietary interventions for long-term health.
Current Value
What High Means
A high omega-6/omega-3 ratio (above 4:1) indicates a pro-inflammatory state driven by excessive omega-6 intake relative to omega-3. Elevated ratios are strongly associated with increased risk of cardiovascular disease, metabolic syndrome, type 2 diabetes, obesity, autoimmune conditions, neuropsychiatric disorders (depression, anxiety), cancer proliferation, and accelerated aging. Ratios above 10:1 (common in Western diets, which average 15-20:1) significantly amplify NF-kB mediated inflammation, increase platelet aggregation, promote vasoconstriction, and shift eicosanoid production toward pro-inflammatory prostaglandins and leukotrienes.
Possible Symptoms
Chronic joint pain and stiffness, frequent headaches, skin conditions (eczema, acne, dry skin), fatigue, brain fog, mood disturbances (irritability, depression, anxiety), poor recovery from exercise, frequent illness or slow wound healing, digestive issues, muscle aches, and general signs of systemic inflammation.
What Low Means
A low omega-6/omega-3 ratio (below 1:1) is uncommon and generally not clinically concerning, but extremely low ratios could theoretically impair immune function since some omega-6-derived mediators are necessary for normal immune responses, wound healing, and cell signaling. Ratios in the 1:1 to 3:1 range are considered ancestrally consistent and health-promoting, associated with reduced cardiovascular mortality, lower cancer incidence, and decreased inflammatory marker levels.
Possible Symptoms
Very low ratios are rare but could theoretically present as impaired wound healing, increased bleeding tendency, or reduced acute immune responses. In practice, low ratios (1:1 to 2:1) are associated with excellent health outcomes and minimal symptoms.
Risk Factors
Cardiovascular disease, atherosclerosis, coronary artery disease, stroke, metabolic syndrome, type 2 diabetes, obesity, rheumatoid arthritis, inflammatory bowel disease (Crohn's, ulcerative colitis), asthma, COPD, Alzheimer's disease, depression, anxiety, ADHD, certain cancers (breast, prostate, colorectal), non-alcoholic fatty liver disease (NAFLD), macular degeneration, osteoporosis, chronic pain syndromes.
Actionable Advice
Supplements
- •EPA/DHA fish oil (2-4g combined daily)
- •Algal oil (vegan omega-3 source)
- •Krill oil
- •Cod liver oil
- •Flaxseed oil (ALA, limited conversion)
- •GLA (gamma-linolenic acid, from evening primrose or borage oil, paradoxically anti-inflammatory)
- •Curcumin (reduces omega-6 inflammatory cascade)
- •Vitamin D3 (synergistic with omega-3)
- •Astaxanthin (protects omega-3 from oxidation)
Diet & Lifestyle
- •Eat fatty fish 3-4 times per week (salmon, sardines, mackerel, anchovies, herring — SMASH fish)
- •Dramatically reduce vegetable/seed oil consumption (soybean, corn, sunflower, safflower, canola)
- •Cook with olive oil, avocado oil, coconut oil, butter, or ghee instead of seed oils
- •Avoid fried foods and ultra-processed packaged foods (major sources of hidden omega-6)
- •Choose pasture-raised/grass-fed animal products over conventional (better fatty acid profile)
- •Add walnuts, chia seeds, flaxseeds, and hemp seeds to your diet
- •Read ingredient labels — avoid products listing soybean oil, vegetable oil, or canola oil
- •Supplement with high-quality fish oil if dietary intake is insufficient
- •Reduce consumption of conventional chicken and pork (high omega-6 due to grain feeding)
- •Consider periodic blood testing to track your ratio over time
Ask AI
Ask questions about your Omega6 Omega3 Ratio results, trends, and what you can do to optimize.
Only one data point — trend chart will appear after multiple tests.
Related Biomarkers
Resources & Studies
All Readings
| Date | Value | Change |
|---|---|---|
| 2026-01-28 | 6.2 | — |