Calcium Deficiency

Calcium deficiency, or hypocalcaemia, develops when calcium levels in the blood fall too low to support normal muscle contraction, nerve signalling, and bone maintenance. Mild, long-standing deficiency is common across South and Southeast Asia, where dairy intake is often low and indoor lifestyles limit the sun exposure needed for vitamin D to drive calcium absorption.

Medicine used to treat Calcium Deficiency

What drives low calcium and how it is corrected

Poor dietary intake is the most frequent cause, but deficiency can also stem from low vitamin D, malabsorption, or an underactive parathyroid gland. Symptoms range from muscle cramps, tingling in the hands and feet, and fatigue, through to brittle nails and, over time, weakened bones under the umbrella of bone health conditions.

Supplementation with calcium carbonate is the standard first step: it delivers a high elemental calcium content per tablet and is best absorbed when taken with food. Alongside supplementation, boosting dietary sources, milk, tofu, leafy greens, and fortified foods, and addressing any underlying vitamin D shortfall are equally important steps.

Persistent cramps, numbness, or irregular heartbeat alongside suspected low calcium warrant a blood test to confirm the diagnosis and rule out other causes.