Yes, it does interfere with absorption. It is advisable to take
calcium after breakfast, and iron capsules after lunch or at night. Make sure you drink plenty of water to ensure good absorption and prevent constipation.
Also, these supplements should be taken only if you have a confirmed deficiency (diagnosed by a doctor/dietitian) .
Next Steps
Consult on practo for further advice
Health Tips
Do not take any medication or supplement without expert advice or prescription