About ascorbic acid + calcium carbonate
Vitamin supplement with calcium antacid
Used for
- Preventing or treating vitamin C deficiency
- Calcium supplementation
- Heartburn or indigestion relief from calcium carbonate
Usual adult dose
Vitamin C: commonly 75–90 mg daily; calcium needs vary. Follow the product label.
Usual dose in children
Vitamin C needs vary by age; calcium needs vary by age. Follow pediatric guidance and product labeling.
Common side effects
- Nausea or stomach upset
- Constipation
- Diarrhea
- Kidney stones with excessive vitamin C
Important warnings
- Excess vitamin C may increase kidney-stone risk in susceptible people.
- Calcium supplements can cause constipation and may be unsuitable with high blood calcium.
- Count calcium from all supplements and antacids toward daily intake.
Pregnancy
Vitamin C and calcium are nutrients needed during pregnancy; use amounts appropriate for pregnancy and avoid excessive intake.
Breastfeeding
Vitamin C and calcium are compatible with breastfeeding when taken within recommended daily amounts.
Interactions
- Calcium can reduce absorption of levothyroxine; separate doses by at least four hours.
- Calcium can reduce absorption of some antibiotics, including tetracyclines and quinolones; separate doses.
- Calcium may interfere with iron absorption; consider taking them at different times.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.