Calcium carbonate with a consistent particle size of 30-900Nm, 100,000 times smaller than traditional calcium supplements on the markets.100% absorption for utilization by the body, unlike traditional calcium supplements where only 23% absorption rate, the remain-ing undigested calcium potential side effects include constipation or kidney stones, etc.

The purest and most valuable source of calcium supplement avail-able today, free from Chromium, Lead, Barium and Mercury, PCB.A source of nano-Cal is free from sugar, gluten, yeast, artificial coloring, flavoring or preservatives.Special capsule made from vegetable, safe and organic.