SuppRankedTop 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 $4.1M/mo from 2 products in the EPA Supplements Best Sellers top 100. That is about 20% more than #2 Nordic Naturals (~$3.4M/mo). The list is tightly concentrated: the top 3 brands take about 58% of its estimated sales and the top 10 about 95%, spread across 14 brands in total. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | THORNE23% share · best #1 | $4.1M |
| 2 | Nordic Naturals19% share · best #2 | $3.4M |
| 3 | Igennus15% share · best #6 | $2.6M |
| 4 | MARQ13% share · best #21 | $2.4M |
| 5 | Douglas Laboratories8% share · best #14 | $1.3M |
| 6 | Pure Encapsulations5% share · best #11 | $832K |
| 7 | OmegaVia4% share · best #4 | $737K |
| 8 | Accentrate4% share · best #10 | $729K |
| 9 | GNC2% share · best #8 | $307K |
| 10 | Standard Process2% share · best #13 | $306K |
The top 10, brand by brand
1. THORNE
~$4.1M/mo est. revenue (23% of this list) and ~71.3K 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 #8 of 3,479 brands.
2. Nordic Naturals
~$3.4M/mo est. revenue (19% of this list) and ~71.8K 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 #19 of 3,479 brands.
3. Igennus
~$2.6M/mo est. revenue (15% of this list) and ~22.5K 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 #199 of 3,479 brands.
4. MARQ
~$2.4M/mo est. revenue (13% of this list) and ~58.4K 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 #218 of 3,479 brands.
5. Douglas Laboratories
~$1.3M/mo est. revenue (8% of this list) and ~14.4K 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 #305 of 3,479 brands.
6. Pure Encapsulations
~$832K/mo est. revenue (5% of this list) and ~9.1K units/mo from 1 product; best position #11. Its highest-ranked product here is Pure Encapsulations EPA Ultimate, 120 Softgel Capsules | Eco-Friendly… at #11. Overall it ranks #3 of 3,479 brands.
7. OmegaVia
~$737K/mo est. revenue (4% of this list) and ~18.5K 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 #390 of 3,479 brands.
8. Accentrate
~$729K/mo est. revenue (4% of this list) and ~9.7K 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 #870 of 3,479 brands.
9. GNC
~$307K/mo est. revenue (2% of this list) and ~11.4K units/mo from 1 product; best position #8. Its highest-ranked product here is GNC Triple Strength EPA 1000 Mini, Lemon, 90 Count, 45 Servings | EPA… at #8. Overall it ranks #36 of 3,479 brands.
10. Standard Process
~$306K/mo est. revenue (2% of this list) and ~8.1K 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 #51 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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