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For adults (18+) only. For informational purposes only — not medical advice. Consult your healthcare provider before starting any supplement.

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Side-by-side comparison of 1 supplements

Vitamin K2

Evidence

Evidence Score7.5/10

Studies: 39+

Meta-analyses: 12

Dosage & Timing

Dosage:

100-200mcg (MK-7)

Best Time:

With a meal containing fat

Take with food

Form:

MK-7 (menaquinone-7)

What You'll Notice

🦴 Improved Bone Health70%

6-12 months

❤️ Cardiovascular Support60%

1-3 years

Safety

moderate safety rating

Contraindications:

Those taking warfarin or other vitamin K antagonists (consult doctor)
Anticoagulant or blood thinner therapy (warfarin, heparin, Coumadin) — Vitamin K2 directly antagonizes warfarin's mechanism of action

Drug Interactions:

Warfarin / Anticoagulants (Coumadin, heparin)
Other anticoagulants

Side Effects:

None commonly reported

Works Well With

Vitamin D3enhances

Magnesiumcomplementary

Calciumcomplementary

Categories

longevity

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