Top 10 fish oil (omega-3) brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's Fish Oil (Omega-3) Best Sellers top 100. Updated October 15, 2026.
Sports Research is the top-selling fish oil (omega-3) brand on Amazon by estimated revenue, at about $1.9M/mo from 3 products in the Fish Oil (Omega-3) Best Sellers top 100. That is about 19% more than #2 Carlson Labs (~$1.6M/mo). The list is fragmented: the top 3 brands take about 29% of its estimated sales and the top 10 about 63%, spread across 52 brands in total. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | Sports Research11% share · best #1 | $1.9M |
| 2 | Carlson Labs9% share · best #10 | $1.6M |
| 3 | Nature Made8% share · best #3 | $1.3M |
| 4 | Nordic Naturals7% share · best #22 | $1.2M |
| 5 | Nature's Bounty7% share · best #2 | $1.2M |
| 6 | Pure Encapsulations6% share · best #15 | $995K |
| 7 | Viva Naturals5% share · best #4 | $909K |
| 8 | Dr. Tobias3% share · best #8 | $525K |
| 9 | Wiley's3% share · best #27 | $442K |
| 10 | GNC3% share · best #30 | $423K |
The top 10, brand by brand
1. Sports Research
~$1.9M/mo est. revenue (11% of this list) and ~61.3K units/mo from 3 products; best position #1. Its highest-ranked product here is Sports Research® Omega-3 Fish Oil 1250mg from Wild Alaska Pollock, 90 Count… at #1. Overall it ranks #13 of 3,452 brands.
2. Carlson Labs
~$1.6M/mo est. revenue (9% of this list) and ~34.1K units/mo from 5 products; best position #10. Its highest-ranked product here is Carlson The Very Finest Fish Oil, 1600 mg, Omega-3s, 500 mL (16.9 Fl. Oz)… at #10. Overall it ranks #63 of 3,452 brands.
3. Nature Made
~$1.3M/mo est. revenue (8% of this list) and ~74.3K units/mo from 6 products; best position #3. Its highest-ranked product here is Nature Made Fish Oil Omega 3 Supplements, 1000mg Softgels, 250 Softgels | Omega… at #3. Overall it ranks #4 of 3,452 brands.
4. Nordic Naturals
~$1.2M/mo est. revenue (7% of this list) and ~22.1K units/mo from 4 products; best position #22. Its highest-ranked product here is Nordic Naturals ProOmega, 1280 mg Omega-3, High Potency, Lemon, 180 Count… at #22. Overall it ranks #19 of 3,452 brands.
5. Nature's Bounty
~$1.2M/mo est. revenue (7% of this list) and ~91.1K units/mo from 4 products; best position #2. Its highest-ranked product here is Nature's Bounty Fish Oil 1200 Mg, Omega-3, 200 Softgels (Pack of 1) | Omega 3… at #2. Overall it ranks #7 of 3,452 brands.
6. Pure Encapsulations
~$995K/mo est. revenue (6% of this list) and ~13.4K units/mo from 2 products; best position #15. Its highest-ranked product here is Pure Encapsulations O.N.E. Omega, 60 Softgel Capsules | Fish Oil Supplement for… at #15. Overall it ranks #3 of 3,452 brands.
7. Viva Naturals
~$909K/mo est. revenue (5% of this list) and ~16.2K units/mo from 1 product; best position #4. Its highest-ranked product here is Viva Naturals Omega 3 Fish Oil Supplement for Women and Men - 2500 mg Triple… at #4. Overall it ranks #144 of 3,452 brands.
8. Dr. Tobias
~$525K/mo est. revenue (3% of this list) and ~13.1K units/mo from 1 product; best position #8. Its highest-ranked product here is Dr. Tobias Omega 3 Fish Oil 2000mg Triple Strength | 180 Softgels | Heart… at #8. Overall it ranks #318 of 3,452 brands.
9. Wiley's
~$442K/mo est. revenue (3% of this list) and ~10.9K units/mo from 2 products; best position #27. Its highest-ranked product here is Wiley's Finest Wild Alaskan Easy Swallow Minis, 120 Count (Pack of 1) | Wild… at #27. Overall it ranks #897 of 3,452 brands.
10. GNC
~$423K/mo est. revenue (3% of this list) and ~8.8K units/mo from 2 products; best position #30. Its highest-ranked product here is GNC Triple Strength Fish Oil Mini, 1000mg EPA & DHA, 240 Mini Softgels… at #30. Overall it ranks #36 of 3,452 brands.
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Full Fish Oil (Omega-3) ranking
All 52 brands in the list, ordered by rank strength, plus the top 10 products.
See all Fish Oil (Omega-3) brands →