Vitamin K2 (MK-7)

vitamins

★★★★★

Fat-soluble vitamin critical for calcium metabolism. Directs calcium to bones and teeth while keeping it out of arteries. Often deficient in Western diets.

Benefits

✓Bone mineralisation

✓Cardiovascular protection (reduces arterial calcification)

✓Works synergistically with Vitamin D3

✓Dental health

✓May reduce fracture risk

Dosage

Typical Dose

100-200mcg MK-7 daily

Upper Limit

500mcg daily

Timing

With a fat-containing meal, ideally with Vitamin D3

Forms & Bioavailability

MK-7 (Menaquinone-7)

High — long half-life (72hrs), preferred form

MK-4 (Menaquinone-4)

Lower — short half-life (6hrs), needs multiple daily doses

Side Effects

⚠Very safe at recommended doses

⚠No known toxicity

Interactions

⚡Warfarin/blood thinners — K2 can reduce anticoagulant effect. Consult doctor.

⚡Synergistic with Vitamin D3 — take together

⚡Does not interact with most supplements

Research Summary

Growing evidence for cardiovascular and bone health. The Rotterdam Study (4,800 participants) found K2 intake inversely associated with aortic calcification. MK-7 is the most studied form.

Compare Vitamin K2 (MK-7) with...

vs Vitamin D3 vs Magnesium vs Omega-3 (EPA/DHA)vs Creatine Monohydrate vs Ashwagandha (KSM-66)vs Zinc vs L-Theanine vs Vitamin B12 All comparisons →

Where to Buy Vitamin K2 (MK-7)

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Disclaimer: This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement, especially if you have existing health conditions or take medication.