Typical dose
100-200 mcg daily
Oral
Oral safety: very low
About this supplement
Vitamin K (Phylloquinone) is a fat-soluble vitamin that plays a crucial role in blood clotting and bone metabolism. It is essential for the synthesis of certain proteins that are required for blood coagulation and the regulation of calcium in bones and blood. Vitamin K1 is primarily found in green leafy vegetables and is the main dietary form of vitamin K.
How much to take
- Typical amount
- 100-200 mcg daily
- Suggested range
- 90-120 mcg daily
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 (unspecified)
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
Chemical ID (CAS)
84-80-0
Physical properties
Vitamin K1 is a yellowish-green oil that is fat-soluble. It is insoluble in water but soluble in organic solvents.
How it’s made
Vitamin K1 is typically extracted from green leafy vegetables or synthesized through chemical processes.