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Also reported in: nmol/L
Your vitamin K1 is adequate for normal blood clotting support.
Vitamin K is essential for blood clotting. At this very low level, clotting factors cannot form properly, and spontaneous and uncontrolled bleeding can occur — including into the brain, gut, and joints. This needs urgent medical attention.
Seek urgent medical care. Vitamin K1 injection is needed immediately. This is a common emergency in newborns, patients on certain antibiotics, and those with fat malabsorption.
Vitamin K1: {{value}} {{unit}} — very low (ref: {{low}}–{{high}})Low vitamin K impairs blood clotting (the liver cannot make functional clotting factors without K1) and also reduces the activation of K-dependent proteins involved in bone health (osteocalcin) and vascular health (matrix Gla protein).
Increase leafy green vegetables (vitamin K1 is abundant in kale, spinach, broccoli, and Brussels sprouts). If on warfarin, changes in vitamin K intake affect your medication — consult your doctor first.
Vitamin K1: {{value}} {{unit}} — below reference range (ref: {{low}}–{{high}})Borderline low vitamin K1 is common in people with low vegetable intake. While overt bleeding is unlikely, suboptimal bone and vascular calcification protection may result over time.
Increase dark green vegetables daily. A vitamin K complex supplement (K1 and MK-7 form of K2) can help.
Vitamin K1: {{value}} {{unit}} — borderline lowYour vitamin K1 is adequate for normal blood clotting support.
No action needed. Continue eating leafy green vegetables.
Vitamin K1: {{value}} {{unit}} — within reference rangeYour vitamin K1 is in the healthy midrange, providing strong support for blood clotting factor production.
Excellent result. Keep up a green vegetable-rich diet.
Vitamin K1: {{value}} {{unit}} — optimalElevated vitamin K1 most often reflects recent high intake of leafy greens or K1 supplementation. It is rarely harmful, but affects the efficacy of warfarin blood-thinning treatment.
If on warfarin, notify your doctor — vitamin K changes can noticeably affect Blood-thinning level (INR) and blood-thinning treatment levels.
Vitamin K1: {{value}} {{unit}} — borderline highHigh vitamin K1 can reduce the effectiveness of warfarin blood-thinning treatment by competing with its mechanism of action. In people not on warfarin, elevated K1 is generally benign.
If on warfarin, check your Blood-thinning level (INR) immediately and consult your doctor. Consistent vitamin K intake is actually preferable to large fluctuations.
Vitamin K1: {{value}} {{unit}} — above reference range (ref: {{low}}–{{high}})Very high vitamin K1 can completely reverse warfarin blood-thinning treatment — noticeably increasing clot risk in people with atrial fibrillation, prosthetic valves, or clotting disorders who depend on blood-thinning treatment therapy.
If on warfarin, seek urgent medical care and check Blood-thinning level (INR) immediately. If not on warfarin, discuss with your doctor — this level from diet alone is very unusual.
Vitamin K1: {{value}} {{unit}} — very high (ref: {{low}}–{{high}})Upload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.