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 $386K/mo from 3 products in the Vitamin K1 Best Sellers top 100. That is about 68% more than #2 InnovixLabs (~$229K/mo). The list is tightly concentrated: the top 3 brands take about 52% of its estimated sales and the top 10 about 75%, spread across 58 brands in total. All figures are modeled estimates, not Amazon data.
The top 10, brand by brand
1. Life Extension
~$386K/mo est. revenue (27% of this list) and ~15.4K 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. InnovixLabs
~$229K/mo est. revenue (16% of this list) and ~8.5K 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 #346 of 3,479 brands.
3. Sports Research
~$117K/mo est. revenue (8% of this list) and ~6.5K 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 #10 of 3,479 brands.
4. Deal Supplement
~$72K/mo est. revenue (5% of this list) and ~3.6K 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 #68 of 3,479 brands.
5. Dr. Green
~$58K/mo est. revenue (4% of this list) and ~1.5K 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 #354 of 3,479 brands.
6. Bronson Vitamins
~$53K/mo est. revenue (4% of this list) and ~3K 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 #18 of 3,479 brands.
7. Garden of Life
~$41K/mo est. revenue (3% of this list) and ~1.6K units/mo from 2 products; best position #8. Its highest-ranked product here is Garden of Life Vitamin Code Raw K-Complex with Vitamin K1 & K2, 60 Capsules… at #8. Overall it ranks #15 of 3,479 brands.
8. Relentless
~$39K/mo est. revenue (3% of this list) and ~494 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 #1512 of 3,479 brands.
9. NatureBell
~$35K/mo est. revenue (2% of this list) and ~1.5K units/mo from 1 product; best position #10. Its highest-ranked product here is NatureBell Vitamin K Complex 2,600mcg, 300 Softgels | Full Spectrum Bone &… at #10. Overall it ranks #30 of 3,479 brands.
10. NatureWise
~$31K/mo est. revenue (2% of this list) and ~1.9K units/mo from 3 products; best position #7. Its highest-ranked product here is NatureWise Vitamin K2 600mcg Supplement with MK-7 100mcg & MK-4 500mcg… at #7. Overall it ranks #23 of 3,479 brands.
As an Amazon Associate SuppRanked earns from qualifying purchases.
Explore more
Full Vitamin K1 ranking
All 58 brands in the list, ordered by rank strength, plus the top 10 products.
See all Vitamin K1 brands →