Last reviewed May 2026 · 1 min read
Is Vitamin K2 (MK-4) vegan?
Also known as: Menatetrenone
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Source can be plant or animal.
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It depends — MK-4 is typically synthesized from plant extracts (vegan) or extracted from animal tissues.
01 · The basics
What is Vitamin K2 (MK-4)?
A specific form of Vitamin K2.
02 · The source
Where it comes from
MK-4 is typically synthesized from plant extracts (vegan) or extracted from animal tissues. MK-7 (from Natto) is the safer vegan bet.
03 · Alternatives
Best vegan alternatives
Vitamin K2 (MK-7)
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Frequently asked
FAQ
Is MK-4 vegan?
Synthetic versions are, but verify with the brand.
Commonly found in
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Sodium Molybdate
A source of the essential trace element molybdenum, used in supplements and agriculture.
Magnesium Citrate
A magnesium preparation in salt form with citric acid, used as a supplement and a saline laxative.
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A common mineral used as a white food coloring, an anti-caking agent, and a calcium supplement.
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