Vitamin K2 (MK-7)
Menaquinone-7
Activates Matrix Gla Protein and osteocalcin, directing calcium away from arteries into bones.
Typical longevity dose: 100-200 mcg/day
Price Comparison
| Product | Vendor | Price | Per Serving | Trust | |
|---|---|---|---|---|---|
NOW Vitamin K2 MK-7 100mcg 0.1mcg · capsule · 120 servings | Amazon⚠ | $12.49 | $0.10 | 2 | Buy |
NOW Vitamin K2 MK-7 100mcg 0.1mcg · capsule · 120 servings | iHerb | $14.99 | $0.12 | 8 | Buy |
Jarrow MK-7 90mcg 0.09mcg · softgel · 120 servings | iHerb | $15.49 | $0.13 | 8 | Buy |
Jarrow MK-7 90mcg 0.09mcg · softgel · 120 servings | Jarrow Formulas | $16.95 | $0.14 | 8 | Buy |
Life Extension Super K 200mcg 0.2mcg · softgel · 90 servings | Life Extension | $18.00 | $0.20 | 9 | Buy |
Thorne Vitamin K2 (MK-7) 100mcg 0.1mcg · capsule · 30 servings | Thorne | $15.00 | $0.50 | 9 | Buy |
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Key Research
360 mcg/day MK-7 improved arterial stiffness in postmenopausal women.
Knapen MHJ, et al. (2015). Thrombosis and Haemostasis
Interaction Warnings
Warfarin
Vitamin K directly antagonizes warfarin — DO NOT combine
Synergies
Vitamin D3
Essential partner for calcium direction
Disclaimer: This information is for educational purposes only and is not medical advice. Research citations are provided for reference — consult your healthcare provider before starting any supplement regimen. Prices are estimates and may not reflect current retail pricing.