Magnesium Oxide + Vitamin K2 (MK-4)
Compatible. Timing differs, so follow each supplement's own window.
Verdict
Timing plan
Can be taken togetherNothing blocks them — the same window is what produces the synergy below.
What helps
Vitamin K2 (MK-4) → Magnesium Oxide
Cofactor for gamma-carboxylase enzyme · level BSide by side
| Magnesium Oxide | Vitamin K2 (MK-4) | |
|---|---|---|
| Bioavailability | 15% | 60% |
| Safety rating | 7/10 | 9/10 |
| Cost per month | $8 | $35 |
| Daily dose | 400-800 mg | 15-45 mg (divided doses) |
| Best timing | Divided doses with meals | Multiple doses with fat |
| Evidence level | A | B |
How this score was built
- Baseline for any untested pair: 70
- +8 — synergy at evidence level B
- = 78 out of 100
Where to buy
Buying both? Check the timing plan above so they do not cancel each other out.
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Common questions
Can you take Magnesium Oxide and Vitamin K2 (MK-4) together?
Compatible. Timing differs, so follow each supplement's own window. The pair scores 78 out of 100, based on 1 documented interaction records.
What should you not take with Magnesium Oxide?
Nothing in this pairing clashes. Its own page lists everything Magnesium Oxide is documented to conflict with.
When should you take Magnesium Oxide and Vitamin K2 (MK-4)?
Magnesium Oxide: Divided doses with meals. Vitamin K2 (MK-4): Multiple doses with fat. The same window works for both.