Calcium Citrate + Iron Bisglycinate
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 → Iron Bisglycinate
Competition for intestinal transporters · majorIron Bisglycinate → Calcium Citrate
Competition for intestinal transporters · majorSide by side
| Calcium Citrate | Iron Bisglycinate | |
|---|---|---|
| Bioavailability | 90% | 90% |
| Elemental mineral | 24.1% | 27.4% |
| Cost per 100 mg absorbed | $0.36 | $9.77 |
| Safety rating | 7/10 | 7/10 |
| Cost per month | $20 | $30 |
| Daily dose | 500-1200 mg | 18-65 mg elemental |
| Best timing | Divided doses between meals | With vitamin c between meals |
| Evidence level | A | A |
How this score was built
- Baseline for any untested pair: 70
- −30 — major clinical conflict
- −30 — major clinical conflict
- = 10 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 Iron Bisglycinate together?
Separate by 2-4 hours to avoid the interaction below. The pair scores 10 out of 100, based on 2 documented interaction records.
What should you not take with Calcium Citrate?
In this pairing the issue is: Calcium inhibits iron absorption Separate them by two to four hours.
When should you take Calcium Citrate and Iron Bisglycinate?
Calcium Citrate: Divided doses between meals. Iron Bisglycinate: With vitamin c between meals. Keep at least a two-hour gap between them.