Vitamin D and Vitamin K have a moderate interaction. See interaction data, 5-regional dosage standards (FDA/EFSA/TGA/CNS/MHLW), and expert recommendations.
Vitamin D increases calcium absorption; Vitamin K helps direct calcium to bones.
Recommendation: Consider taking both together for bone health.
Vitamin D increases calcium absorption; Vitamin K helps direct calcium to bones.
Tip: Consider taking both together for bone health.
| Standard | vitamin d | vitamin k |
|---|---|---|
| US (FDA) | 600 / 4000 IU (RDA/UL) | 120 / 1000 mcg (RDA/UL) |
| EU (EFSA) | 600 / 4000 IU (RDA/UL) | 120 / 1000 mcg (RDA/UL) |
| AU (TGA) | 600 / 4000 IU (RDA/UL) | 120 / 1000 mcg (RDA/UL) |
| CN (CNS) | 400 / 800 IU (RDA/UL) | 120 / 1000 mcg (RDA/UL) |
| JP (MHLW) | 600 / 4000 IU (RDA/UL) | 120 / 1000 mcg (RDA/UL) |
Values shown as RDA (Recommended Dietary Allowance) / UL (Tolerable Upper Intake Level). Sources: NIH, FDA, EFSA, FSANZ, CNS, MHLW.
Use caution. Vitamin D increases calcium absorption; Vitamin K helps direct calcium to bones. Consider taking both together for bone health.
Consider taking both together for bone health. The severity of this interaction is considered low. If you have concerns, consult your healthcare provider.
This page only checks one pair. Use NutriAudit to check your full supplement stack for interactions, duplicates, and safe dosages.
Not medical advice. Always consult a qualified healthcare professional for personal medical decisions.