vitamin2 cited usesBest taken: with_food

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

Back PainStrong

Activates osteocalcin for bone mineralization, improving vertebral bone density and reducing compression fracture risk.

Dose: 15–45 mg

Joint PainModerate

Carboxylates osteocalcin and MGP, preventing calcium accumulation in cartilage and supporting bone-cartilage interface integrity.

Dose: 15–45 mg

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