Calcium citrate is the most bioavailable form of calcium.
Calcium citrate formulations provide a more optimum calcium bioavailability than calcium carbonate. its absorption from carbonate salts is impaired in achlorhydria.
Since achlorhydria is common in older patients. Calcium carbonate is not the ideal supplement.
Calcium absorption from calcium citrate is unaffected by fasting, food or achlorhydria.
Long term calcium supplementations are associated with increased risk of renal calculi formation.
In a long term study with calcium citrate supplementation in humans, it was noted that there was no increased propensity for crystallization of calcium in the urine.
Indications:
- Pregnancy and lactation
- For treatment and prevention of postmenopausal osteoporosis
- For prevention of osteoporosis in other susceptible populations such as the elderly, chronic bed-ridden patients; those on chronic steroid medication, anticonvulsants
- As a therapeutic adjunct while treating established osteoporosis.
Dosage:
The usual dose is 1 tablet twice daily or as directed by the physician
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