EPA · low result
What does a low EPA mean?
Short answer
Low EPA (eicosapentaenoic acid) in the blood means little recent intake of oily fish or EPA-containing supplements. EPA is the omega-3 with the strongest cardiovascular trial evidence (high-dose purified EPA lowered events in people with high triglycerides). It is read with DHA and the Omega-3 Index, which summarize membrane status better than either single fatty acid.
Medically reviewed by Youmna DiStefano, MD · Last reviewed September 2026
What is the normal range for EPA?
- age 18+: 14.0 – 100 mcg/mL
Full reference table, citations and testing options: EPA biomarker page.
What are the common causes of low EPA?
- Low intake of oily fish
- No EPA/DHA supplements (plant ALA converts poorly)
- High omega-6 intake
What symptoms go with low EPA?
- None
What do clinicians usually check next?
- Omega-3 Index for the three-month picture
- Dietary fish or EPA/DHA supplementation; retest in 4 months
- Triglycerides — if high with cardiovascular risk, prescription EPA is a clinician discussion
How do you recheck EPA?
Prices are cash-pay; every order adds one $6 lab processing fee. Physician authorization is included; no insurance or referral needed.
| Test or panel | Type | Price | Fasting | Results |
|---|---|---|---|---|
| Longevity & Anti-Aging Panel | Panel · 13 tests | $239.99 | Yes | 3–7 business days |
| Healthy Aging Panel | Panel · 15 tests | $299.99 | Yes | 3–5 business days |
| Total Body Panel | Panel · 49 tests | $499.99 | Yes | 5–10 business days |
| Omega-3 Index | Test · 5 biomarkers | $69.99 | No | 7–10 business days |
Common questions
EPA or DHA — which matters more?
EPA has the stronger evidence for cardiovascular events; DHA is more important for brain and eye tissue. Most people are low in both and fish or combined supplements raise both.
Educational content, not a diagnosis. Lab results are one input; a clinician interprets them with your history and exam.