Typical dose
10-25 mg daily
Oral
Oral safety: very low
About this supplement
Vitamin K (menadione) 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 binding of calcium in bones and other tissues. Menadione is a synthetic form of Vitamin K that is converted into active forms in the body.
How much to take
- Typical amount
- 10-25 mg daily
- Suggested range
- 10-25 mg
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 (menaquinone)
Vitamin K (Mixed)
Vitamin K (Phylloquinone)
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)
58-27-5
Physical properties
Menadione is a yellow crystalline powder that is soluble in organic solvents but poorly soluble in water.
How it’s made
Menadione is synthesized through chemical processes involving the condensation of 2-methyl-1,4-naphthoquinone with various reagents.