Typical dose
90-120 mcg daily
Oral
Oral safety: very low
About this supplement
Vitamin K is a fat-soluble vitamin that plays a crucial role in blood clotting and bone metabolism. It exists in several forms, with Vitamin K1 (phylloquinone) found in green leafy vegetables and Vitamin K2 (menaquinone) found in fermented foods and animal products. It is essential for the synthesis of proteins that regulate blood coagulation and calcium metabolism in bones and other tissues.
How much to take
- Typical amount
- 90-120 mcg daily
- Suggested range
- 90-120 mcg
Potential benefits
Benefits linked to this supplement form:
Things to watch for
Possible side effects linked to this form:
Health goals
Needs and goals this form may help with:
Other forms of Vitamin K
Compare absorption and active amounts with sibling forms:
MK-4
MK-4 (Menaquinone-4)
A form of Vitamin K2 important for bone and cardiovascular health.
Vitamin K (menadione)
Vitamin K (menaquinone)
Vitamin K (Mixed)
Vitamin K (Phylloquinone)
Vitamin K mixed)
Vitamin K1
Vitamin K1 (Phylloquinone)
Vitamin K2
Vitamin K2 (MK-7)
Supports bone strength and cardiovascular health by directing calcium properly.
Technical details â–¼
Physical properties
Vitamin K is typically a yellowish or greenish oil, insoluble in water but soluble in fats and oils.
How it’s made
Vitamin K can be extracted from natural sources such as green leafy vegetables or synthesized chemically. The synthetic form is produced through various chemical reactions involving natural precursors.