The Endocrine System, Doctor why do I need calcium and Vitamin D? What is Cholecalcepherol? Why is my Calcium levels abnormal and what does it mean?
Dear patients  Thank you for your most interesting questions and thank you for trusting me to manage you health.  This is an interesting question. To answer these question we need to talk about Calcium, phosphate and magnesium in the Human Body.   Calcium content of the body depends on the balance between the intestinal calcium from diet and the calcium lost in your faeces (shit) and urine (pee).   Intestinal (GUT) uptake and loss    The amount of calcium that is absorbed is dependent on   Amount of calcium (Ca2+) available.  
 
 Acid pH increases calcium and alkalinity promotes complex formation and diminishes absorption.  
 The following reduce your calcium absorption: 
 Uncooked beans - phytates and 
 Oxalytes - chocolate, nuts and berries - and tea 
 
 Active Vitamin D 
 Kidney The kidney filters 250mmol of Calcium each day, 95% are reabsorbed in the tubules. The majority is taken up in the proximal tubules without hormonal regulation, while fine adjustment is require...