Calcium is significant for bone wellbeing. It has been standard to concentrate on dietary calcium consumption, however of focal significance for the body needs in the individual patient is the real calcium ingestion. This ingestion comprises of a functioning nutrient D-interceded segment and a latent diffusional part. Various techniques are accessible for the assessment of calcium ingestion. At present the calcium retention tests utilizing calcium isotopes (radioactive or stable) seem, by all accounts, to be the most reproducible method of deciding calcium assimilation. The significant supplement hotspots for calcium are milk and milk items, though a portion of the green vegetables have a low bioavailability of calcium. When choosing whether an expanded calcium admission is prudent, the accompanying inquiries must be replied. The calcium supplement may be taken as milk (or milk items) or, in patients with lactose narrow mindedness, as calcium supplements.