Supports healthy blood clotting and bone health.
K1 is from leafy greens and is mainly for blood clotting. K2 is from fermented foods or animal products and is more focused on bone and heart health. They have different jobs.
They're a good team. Vitamin D helps you absorb calcium, and Vitamin K helps put that calcium in the right place, like your bones. Many supplements combine them.
Easily. One cup of cooked kale has about 10x the daily requirement. Spinach, broccoli, and Brussels sprouts are also packed with it.
Click through to the studies bar for the evidence base.
See the dosing guide below.
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Some ingredients build up over weeks. Others act fast.
The compound effect of consistent dosing.
Check the cautions section if you have a pre-existing condition.
Some ingredients you feel. Others just work in the background.
No. In a healthy person, it just ensures your clotting system works when it's supposed to. It doesn't cause spontaneous clots.
Babies are born with very low levels. A K1 shot is standard practice to prevent a rare but serious bleeding disorder in the first few weeks of life.
Yes. It's a fat-soluble vitamin, so taking it with a meal that contains some fat or oil will significantly improve absorption.
Most research uses 300.0g daily. Below 50.0g, you're probably wasting money. Above 500.0g, no extra benefit. The curve plateaus. Safe upper limit ~ 1000.0g.
Vitamin K1 acts as a cofactor for enzymes involved in the synthesis of blood clotting factors and bone proteins.
There is strong scientific consensus on the importance of vitamin K1 for blood clotting and bone health. Studies consistently demonstrate its effectiveness, especially in addressing deficiencies.
Green leafy vegetables are the primary source. Think kale, spinach, collard greens, broccoli, and Brussels sprouts.
Vitamin K1 interacts with other supplements and meds. The analyzer flags interactions, dose mismatches, and timing collisions across your whole list.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.