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  3. Vitamin K2 MK7 vs Vitamin K2 MK4

Vitamin K2 MK7 vs Vitamin K2 MK4

TL;DR

Quick comparison: Vitamin K2 MK7 and Vitamin K2 MK4 have 0 overlapping categories and appear together in 3 products.

  • •Choose Vitamin K2 MK7 if: Vitamin K2 MK-7 (menaquinone-7) is the most bioavailable and longest-acting form...
  • •Choose Vitamin K2 MK4 if: Vitamin K2 MK4 is a form of Vitamin K2 that plays a critical role in calcium met...
  • •Take both if: You want comprehensive coverage across 0 shared categories.
564 products
analyzed in our comprehensive supplement database
Source: MoodStack Database (2026)

Side-by-Side Comparison

FeatureVitamin K2 MK7Vitamin K2 MK4
Typevitaminvitamin
Common Dosage100-200 mcg daily (take with vitamin D3 and fat)90-120 mcg
Best BioavailabilityMenaquinone-7 (90%)Menaquinone-4 (40%)
Categories10
Available Products00

Vitamin K2 MK7

Typevitamin
Common Dosage100-200 mcg daily (take with vitamin D3 and fat)
Best BioavailabilityMenaquinone-7 (90%)
Categories1
Available Products0

Vitamin K2 MK4

Typevitamin
Common Dosage90-120 mcg
Best BioavailabilityMenaquinone-4 (40%)
Categories0
Available Products0

Can You Take Both?

Yes, Vitamin K2 MK7 and Vitamin K2 MK4 can typically be taken together. In fact, we found 3 products in our database that contain both supplements, suggesting they complement each other well.

Key Differences

Vitamin K2 MK7

Vitamin K2 MK-7 (menaquinone-7) is the most bioavailable and longest-acting form of vitamin K2, derived from natto fermentation. It activates osteocalcin (directing calcium to bones) and matrix Gla protein (preventing arterial calcification). MK-7 has a 72-hour half-life vs 1-2 hours for MK-4, making it superior for daily dosing.

Categories:

Heart Health

Common Forms:

  • • Menaquinone-7 (90% bioavailability)

Vitamin K2 MK4

Vitamin K2 MK4 is a form of Vitamin K2 that plays a critical role in calcium metabolism, supporting bone and cardiovascular health.

Categories:

Common Forms:

  • • Menaquinone-4 (40% bioavailability)

Products Containing Both Vitamin K2 MK7 and Vitamin K2 MK4

We found 3 products that combine both supplements:

AG1 Vitamin D3 + K2 Drops

AG1 Vitamin D3 + K2 Drops

AG1

$20Score: 84/100
Regulate

Regulate

LifeBlud

$66Score: 77/100
Essential Softgel

Essential Softgel

Blueprint

Score: 77/100

Frequently Asked Questions

What is the difference between Vitamin K2 MK7 and Vitamin K2 MK4?

Vitamin K2 MK7 and Vitamin K2 MK4 are both important supplements with distinct properties. Vitamin K2 MK7 Vitamin K2 MK-7 (menaquinone-7) is the most bioavailable and longest-acting form of vitamin K2, derived from natto fermentation. It activates osteocalcin (directing calcium to bones) and matrix Gla protein (preventing arterial calcification). MK-7 has a 72-hour half-life vs 1-2 hours for MK-4, making it superior for daily dosing., while Vitamin K2 MK4 Vitamin K2 MK4 is a form of Vitamin K2 that plays a critical role in calcium metabolism, supporting bone and cardiovascular health..

Can I take Vitamin K2 MK7 and Vitamin K2 MK4 together?

Based on our analysis of 3 products that contain both, yes, Vitamin K2 MK7 and Vitamin K2 MK4 can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Vitamin K2 MK7 or Vitamin K2 MK4?

In our database of 564 products, Vitamin K2 MK7 appears in 9 products, while Vitamin K2 MK4 appears in 4 products.

Related Comparisons & Products

What is Vitamin K2 MK7?What is Vitamin K2 MK4?AG1 Vitamin D3 + K2 Drops (contains both)Regulate (contains both)Essential Softgel (contains both)

Medical Disclaimer: This content is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before starting any supplement regimen.