Top 10 l-carnitine (sports) brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's L-Carnitine (Sports) Best Sellers top 100. Updated October 15, 2026.
Cutler is the top-selling l-carnitine (sports) brand on Amazon by estimated revenue, at about $1.8M/mo from 1 product in the L-Carnitine (Sports) Best Sellers top 100. That is about 27% more than #2 NOW Foods (~$1.4M/mo). The list is fragmented: the top 3 brands take about 27% of its estimated sales and the top 10 about 58%, spread across 57 brands in total. About 5% of the products are gummies. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | Cutler10% share · best #1 | $1.8M |
| 2 | NOW Foods8% share · best #6 | $1.4M |
| 3 | ALPHA LION8% share · best #4 | $1.4M |
| 4 | Nutrex6% share · best #3 | $1.1M |
| 5 | Nutricost6% share · best #2 | $972K |
| 6 | Pure Encapsulations5% share · best #88 | $820K |
| 7 | BulkSupplements5% share · best #19 | $800K |
| 8 | ProSupps4% share · best #5 | $652K |
| 9 | iSatori3% share · best #8 | $592K |
| 10 | Evogen3% share · best #23 | $503K |
The top 10, brand by brand
1. Cutler
~$1.8M/mo est. revenue (10% of this list) and ~67K units/mo from 1 product; best position #1. Its highest-ranked product here is Cutler Nutrition Liquid L-Carnitine Fat Burner with Acetyl L-Carnitine | Sour… at #1. Overall it ranks #295 of 3,479 brands.
2. NOW Foods
~$1.4M/mo est. revenue (8% of this list) and ~69.1K units/mo from 7 products; best position #6. Its highest-ranked product here is NOW Supplements, L-Carnitine 500mg, Purest Form, Amino Acid, 60 Veg Caps at #6. Overall it ranks #1 of 3,479 brands.
3. ALPHA LION
~$1.4M/mo est. revenue (8% of this list) and ~25.4K units/mo from 1 product; best position #4. Its highest-ranked product here is ALPHA LION Burn2O L-Carnitine Liquid 2000mg – Stim Free Super Thermogenic Fat… at #4. Overall it ranks #217 of 3,479 brands.
4. Nutrex
~$1.1M/mo est. revenue (6% of this list) and ~40.7K units/mo from 2 products; best position #3. Its highest-ranked product here is Nutrex Research L Carnitine 3000 - Clinically Dosed L-Carnitine Liquid for… at #3. Overall it ranks #74 of 3,479 brands.
5. Nutricost
~$972K/mo est. revenue (6% of this list) and ~48.7K units/mo from 1 product; best position #2. Its highest-ranked product here is Nutricost L-Carnitine Tartrate 1,000mg, 240 Capsules, 120 Servings | 500mg Per… at #2. Overall it ranks #2 of 3,479 brands.
6. Pure Encapsulations
~$820K/mo est. revenue (5% of this list) and ~7.3K units/mo from 1 product; best position #88. Its highest-ranked product here is Pure Encapsulations CoQ10 l-Carnitine Fumarate, 120 Capsules | Heart Health… at #88. Overall it ranks #3 of 3,479 brands.
7. BulkSupplements
~$800K/mo est. revenue (5% of this list) and ~31.8K units/mo from 5 products; best position #19. Its highest-ranked product here is BulkSupplements.com L-Carnitine Powder - Carnitine Supplement, Amino Acid… at #19. Overall it ranks #9 of 3,479 brands.
8. ProSupps
~$652K/mo est. revenue (4% of this list) and ~21.7K units/mo from 1 product; best position #5. Its highest-ranked product here is ProSupps L-Carnitine Liquid 3000, Stimulant-Free Liquid Shots, Berry | Clean… at #5. Overall it ranks #318 of 3,479 brands.
9. iSatori
~$592K/mo est. revenue (3% of this list) and ~27K units/mo from 3 products; best position #8. Its highest-ranked product here is iSatori L-Carnitine LS3 3000 - Boost Energy & Metabolism, Triple-Blend… at #8. Overall it ranks #335 of 3,479 brands.
10. Evogen
~$503K/mo est. revenue (3% of this list) and ~15.5K units/mo from 3 products; best position #23. Its highest-ranked product here is Evogen Carnigen Supports Energy and Metabolism | Watermelon | 50 Servings… at #23. Overall it ranks #267 of 3,479 brands.
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Full L-Carnitine (Sports) ranking
All 57 brands in the list, ordered by rank strength, plus the top 10 products.
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