SuppRankedTop 10 Vitamin K1 brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's Vitamin K1 Best Sellers top 100. Updated October 15, 2026.
Life Extension is the top-selling Vitamin K1 brand on Amazon by estimated revenue, at about $1.1M/mo from 3 products in the Vitamin K1 Best Sellers top 100. That is about 28% more than #2 Sports Research (~$874K/mo). The list is fragmented: the top 3 brands take about 23% of its estimated sales and the top 10 about 52%, spread across 58 brands in total. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | Life Extension10% share · best #2 | $1.1M |
| 2 | Sports Research8% share · best #1 | $874K |
| 3 | Relentless5% share · best #14 | $614K |
| 4 | InnovixLabs5% share · best #3 | $608K |
| 5 | Deal Supplement5% share · best #5 | $564K |
| 6 | Bronson Vitamins4% share · best #4 | $461K |
| 7 | Klaire Labs4% share · best #18 | $412K |
| 8 | Dr. Green4% share · best #9 | $408K |
| 9 | Dr. Mercola4% share · best #21 | $405K |
| 10 | Superior Source3% share · best #20 | $359K |
The top 10, brand by brand
1. Life Extension
~$1.1M/mo est. revenue (10% of this list) and ~36.7K units/mo from 3 products; best position #2. Its highest-ranked product here is Life Extension Super K, Vitamin K1 and K2, 90 Softgels | Vitamin K1, K2 MK-7 &… at #2. Overall it ranks #11 of 3,479 brands.
2. Sports Research
~$874K/mo est. revenue (8% of this list) and ~48.7K units/mo from 1 product; best position #1. Its highest-ranked product here is Sports Research® Vitamin K2 as MK-7 100mcg, 60 Count Plantgels™ | Supports Bone… at #1. Overall it ranks #13 of 3,479 brands.
3. Relentless
~$614K/mo est. revenue (5% of this list) and ~7.7K units/mo from 1 product; best position #14. Its highest-ranked product here is Relentless Improvement Natural Vitamin K2 MK4 Plus Vitamin K2 MK7 High-Potency… at #14. Overall it ranks #939 of 3,479 brands.
4. InnovixLabs
~$608K/mo est. revenue (5% of this list) and ~22.6K units/mo from 1 product; best position #3. Its highest-ranked product here is InnovixLabs Full Spectrum Vitamin K2 MK7 + MK4, 600 mcg (90 Softgels) | Vitamin… at #3. Overall it ranks #386 of 3,479 brands.
5. Deal Supplement
~$564K/mo est. revenue (5% of this list) and ~27.8K units/mo from 3 products; best position #5. Its highest-ranked product here is DEAL SUPPLEMENT Vitamin K2 MK-7 200mcg Per Serving, 240 Coconut Oil Softgels… at #5. Overall it ranks #61 of 3,479 brands.
6. Bronson Vitamins
~$461K/mo est. revenue (4% of this list) and ~26.1K units/mo from 3 products; best position #4. Its highest-ranked product here is Bronson Vitamin K Triple Play Full Spectrum K1 & K2 MK-4/MK-7, 180 Capsules… at #4. Overall it ranks #17 of 3,479 brands.
7. Klaire Labs
~$412K/mo est. revenue (4% of this list) and ~6.4K units/mo from 1 product; best position #18. Its highest-ranked product here is Klaire Labs SFI Health Ultra Vitamin K2 Menaquinone 4, 90 Capsules | Supports… at #18. Overall it ranks #228 of 3,479 brands.
8. Dr. Green
~$408K/mo est. revenue (4% of this list) and ~10.5K units/mo from 1 product; best position #9. Its highest-ranked product here is Dr. Green Mom Natal K Oral Vitamin K1 Drops for Newborns | Organic Phytonadione… at #9. Overall it ranks #208 of 3,479 brands.
9. Dr. Mercola
~$405K/mo est. revenue (4% of this list) and ~5.8K units/mo from 1 product; best position #21. Its highest-ranked product here is Dr. Mercola Vitamin K2, 180 mcg as MK-7, 90 Capsules (90 Servings) | Supports… at #21. Overall it ranks #112 of 3,479 brands.
10. Superior Source
~$359K/mo est. revenue (3% of this list) and ~22.9K units/mo from 5 products; best position #20. Its highest-ranked product here is Superior Source Advanced Triple K, Vitamins K1 & K2 (MK-4), K2 (MK-7), 30Ct… at #20. Overall it ranks #260 of 3,479 brands.
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Full Vitamin K1 ranking
All 58 brands in the list, ordered by rank strength, plus the top 10 products.
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