vitamin · a form of Vitamin K
Vitamin K2 MK-4
Menaquinone-4, a short-acting form of vitamin K2 naturally produced in the body from vitamin K1. Supports bone health at high doses (45mg). Rapidly absorbed but cleared quickly, requiring multiple daily doses. Used in Japan for osteoporosis treatment.
What it’s good for
Vitamin K2 MK-4 for Back Pain
Evidence2 studies · 1 supporting · 0 against
5 safety notes
Helps bone hold onto minerals, which matters for the vertebrae in your spine.
Dose: 15–45 mg
Vitamin K2 MK-4 for Joint Pain
Not verified1 study · 1 supporting · 0 against
5 safety notes
Why it gets suggested: Keeps calcium in your bones rather than letting it settle in cartilage.
Dose: 15–45 mg
Tested as: Vitamin K2 (MK-7)
Why we could not verify it: The research we could find tested Vitamin K2 (MK-7). That is a different preparation, and a result for one form is not a result for another.