Calcium Citrate + Magnesium Oxide
Separate by 2-4 hours to avoid the interaction below.
Verdict
Timing plan
Separate themThese two compete on absorption. Splitting the day keeps both effective.
What clashes
Calcium Citrate → Magnesium Oxide
Disrupts optimal calcium:magnesium ratio · moderateWhat helps
Calcium Citrate → Magnesium Oxide
Required for calcium metabolism and bone formation · level AMagnesium Oxide → Calcium Citrate
Synergistic effects on bone mineralization · level ASide by side
| Calcium Citrate | Magnesium Oxide | |
|---|---|---|
| Bioavailability | 90% | 15% |
| Safety rating | 7/10 | 7/10 |
| Cost per month | $20 | $8 |
| Daily dose | 500-1200 mg | 400-800 mg |
| Best timing | Divided doses between meals | Divided doses with meals |
| Evidence level | A | A |
How this score was built
- Baseline for any untested pair: 70
- +12 — synergy at evidence level A
- +12 — synergy at evidence level A
- −18 — moderate clinical conflict
- = 76 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 Calcium Citrate and Magnesium Oxide together?
Separate by 2-4 hours to avoid the interaction below. The pair scores 76 out of 100, based on 3 documented interaction records.
What should you not take with Calcium Citrate?
In this pairing the issue is: High calcium without magnesium can cause imbalance Separate them by two to four hours.
When should you take Calcium Citrate and Magnesium Oxide?
Calcium Citrate: Divided doses between meals. Magnesium Oxide: Divided doses with meals. Keep at least a two-hour gap between them.