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Vitamins
Vitamin K2 (Menaquinone)
Activates proteins (osteocalcin, MGP) that direct calcium into bones and away from arteries
Gabriel Score
88/ 100Excellent
CategoryVitamins
Applications4 conditions
FormsMK-4 (synthetic, shorter half-life), MK-7 (natto-derived, longer half-life)
How it works
Activates proteins (osteocalcin, MGP) that direct calcium into bones and away from arteries
Typical Dosage
100-200mcg/day (MK-7 or MK-4)
Used for
OsteoporosisArterial calcificationCardiovascular diseaseTooth decay
Practical Guide
Available Forms
MK-4 (synthetic, shorter half-life), MK-7 (natto-derived, longer half-life)
Natural Food Sources
- •Natto
- •Fermented foods
- •Egg yolks
- •Grass-fed dairy
- •Liver
Dosing should be individualized. Consult a qualified healthcare practitioner.
The Science
Evidence Base
Excellent88/100
MK-7 preferred for longer half-life; essential partner to D3; prevents 'calcium paradox' (soft tissue calcification)
Works Well With
Vitamin D3 (essential pairing)CalciumMagnesium
Safety Profile
Interactions
- Antagonizes warfarin
- May interact with antibiotics (gut bacteria produce K2)
Contraindications
- Warfarin use (without monitoring)
Trusted Brands
ThornePure EncapsulationsLife ExtensionJarrow
Build Your Protocol
Work with a practitioner to design a personalized supplement protocol.
Find a PractitionerCategoryVitamins
Applications4
Gabriel Score88/100
Educational purposes only. Consult a qualified healthcare provider before starting any supplement protocol.