Top 10 epa supplements brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's EPA Supplements Best Sellers top 100. Updated October 15, 2026.
THORNE is the top-selling epa supplements brand on Amazon by estimated revenue, at about $754K/mo from 2 products in the EPA Supplements Best Sellers top 100. That is about 3.1× as much as #2 Nordic Naturals (~$243K/mo). The list is tightly concentrated: the top 3 brands take about 74% of its estimated sales and the top 10 about 98%, spread across 14 brands in total. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | THORNE49% share · best #1 | $754K |
| 2 | Nordic Naturals16% share · best #2 | $243K |
| 3 | MARQ9% share · best #21 | $142K |
| 4 | Igennus9% share · best #6 | $141K |
| 5 | Douglas Laboratories5% share · best #14 | $81K |
| 6 | OmegaVia4% share · best #4 | $60K |
| 7 | Accentrate3% share · best #10 | $44K |
| 8 | Standard Process1% share · best #13 | $18K |
| 9 | HUJ1% share · best #16 | $17K |
| 10 | NOW Foods1% share · best #18 | $14K |
The top 10, brand by brand
1. THORNE
~$754K/mo est. revenue (49% of this list) and ~16.5K units/mo from 2 products; best position #1. Its highest-ranked product here is THORNE Super EPA, Omega-3 Fish Oil Supplement with EPA & DHA, 90 Softgels… at #1. Overall it ranks #6 of 3,479 brands.
2. Nordic Naturals
~$243K/mo est. revenue (16% of this list) and ~5K units/mo from 5 products; best position #2. Its highest-ranked product here is Nordic Naturals EPA Xtra, 1640mg High EPA Omega-3 Fish Oil - 90 Count… at #2. Overall it ranks #17 of 3,479 brands.
3. MARQ
~$142K/mo est. revenue (9% of this list) and ~3.5K units/mo from 13 products; best position #21. Its highest-ranked product here is MARQ Nutrition EPA 750 mg Softgels, Omega-3 EPA Supplement, Natural Taste… at #21. Overall it ranks #618 of 3,479 brands.
4. Igennus
~$141K/mo est. revenue (9% of this list) and ~865 units/mo from 2 products; best position #6. Its highest-ranked product here is Igennus Ultra EPA Omega 3 500mg, DHA-Free, IFOS-Certified, 90 Softgels… at #6. Overall it ranks #220 of 3,479 brands.
5. Douglas Laboratories
~$81K/mo est. revenue (5% of this list) and ~865 units/mo from 2 products; best position #14. Its highest-ranked product here is Douglas Laboratories Opti-EPA 500, 250 Softgels | Enteric-Coated to Support… at #14. Overall it ranks #863 of 3,479 brands.
6. OmegaVia
~$60K/mo est. revenue (4% of this list) and ~1.5K units/mo from 1 product; best position #4. Its highest-ranked product here is OmegaVia EPA 500 mg, Purified Omega 3 Fish Oil, Burpless (120 Softgels) | High… at #4. Overall it ranks #503 of 3,479 brands.
7. Accentrate
~$44K/mo est. revenue (3% of this list) and ~585 units/mo from 1 product; best position #10. Its highest-ranked product here is Accentrate Omega MAX with LYSOVETA LPC - Brain Health, Omega-3 EPA & DHA | Fish… at #10. Overall it ranks #1487 of 3,479 brands.
8. Standard Process
~$18K/mo est. revenue (1% of this list) and ~487 units/mo from 1 product; best position #13. Its highest-ranked product here is Standard Process Olprima EPA, Omega-3 EPA Balance Support, 60 softgels… at #13. Overall it ranks #121 of 3,479 brands.
9. HUJ
~$17K/mo est. revenue (1% of this list) and ~421 units/mo from 1 product; best position #16. Its highest-ranked product here is HUJ 97% EPA Omega-3 Fish Oil - 1200mg EPA Fish Oil, Wild-Caught, Sustainably… at #16. Overall it ranks #1989 of 3,479 brands.
10. NOW Foods
~$14K/mo est. revenue (1% of this list) and ~388 units/mo from 1 product; best position #18. Its highest-ranked product here is Now Foods Super EPA 360/240, 120 gels ( Multi-Pack) at #18. Overall it ranks #1 of 3,479 brands.
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Full EPA Supplements ranking
All 14 brands in the list, ordered by rank strength, plus the top 10 products.
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