Calcium Citrate + Magnesium L-Threonate
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 L-Threonate
Disrupts optimal calcium:magnesium ratio · moderateWhat helps
Calcium Citrate → Magnesium L-Threonate
Required for calcium metabolism and bone formation · level ASide by side
| Calcium Citrate | Magnesium L-Threonate | |
|---|---|---|
| Bioavailability | 90% | 95% |
| Elemental mineral | 24.1% | 8.3% |
| Cost per 100 mg absorbed | $0.36 | $1.69 |
| Safety rating | 7/10 | 8/10 |
| Cost per month | $20 | $120 |
| Daily dose | 500-1200 mg | 2000-4000 mg |
| Best timing | Divided doses between meals | Morning afternoon divided |
| Evidence level | A | B |
How this score was built
- Baseline for any untested pair: 70
- +12 — synergy at evidence level A
- −18 — moderate clinical conflict
- = 64 out of 100
Where to buy
Buying both? Check the timing plan above so they do not cancel each other out.
Affiliate links — we may earn a commission at no cost to you.
Common questions
Can you take Calcium Citrate and Magnesium L-Threonate together?
Separate by 2-4 hours to avoid the interaction below. The pair scores 64 out of 100, based on 2 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 L-Threonate?
Calcium Citrate: Divided doses between meals. Magnesium L-Threonate: Morning afternoon divided. Keep at least a two-hour gap between them.