mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
常用剂量
general:
90-120 mcg/day (MK-7 preferred)
cardiovascularsupport:
180-360 mcg/day MK-7
上限: Not established (no known toxicity for K2 at supplemental doses)
最佳服用时间: With meals containing fat; can combine with vitamin D supplement
Safety & Side Effects
已报告的副作用
⚠
Generally very well-tolerated
⚠
Does not affect blood clotting (INR) at supplemental doses, unlike K1
已知相互作用
●
Warfarin (patients on warfarin should consult physician before K2 supplementation)
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Vitamin D (synergistic — D increases MGP production, K2 activates it)
可耐受最高摄入量: Not established (no known toxicity for K2 at supplemental doses)
在开始服用任何补充剂之前,请务必咨询您的医疗保健提供者。
Frequently Asked Questions
Does Vitamin K2 help with Arterial Stiffness?
Based on 5 studies with 1,200 participants, there is moderate evidence from clinical studies that Vitamin K2 may support Arterial Stiffness management. Our evidence grade is B (Good Evidence).
How much Vitamin K2 should I take for Arterial Stiffness?
Studies have used various dosages. A commonly studied range is 90-120 mcg/day (MK-7 preferred). Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Vitamin K2?
Reported side effects may include Generally very well-tolerated, Does not affect blood clotting (INR) at supplemental doses, unlike K1. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Vitamin K2 and Arterial Stiffness?
We rate the evidence as Grade B (Good Evidence). This rating is based on 5 peer-reviewed studies with 1,200 total participants. The overall direction of effect is positive.