The Calcium of low molecular weight, just as the carbonate of calcium originating in the choir, potentially can be absorbed intact or ionized by the acids of the stomach. The calcium intervenes in the permeability of membrane and the enzymatic regulation. The calcium has also a role in the cell processes. The calcium gives nutritious support to some bones and healthy teeth, a better nerve impulse and a better muscular contraction. The calcium of the choir is obtained of particles of the skeletal structure of the choir that has died. The method of obtaining does not destroy the coral reefs. INGREDIENTS BY TAKES OF 3 GRAMS: Calcium (of 3,000 mg. of calcium of choir), 1,000 mg. Magnesium (as calcium of choir), 45 mg. WAY OF EMPLOYMENT: As alimentary complement, to take 1/2 teaspoonful (83 gr.) mixed with beverage or with food. For a better one palatibilidad to mix with juice, milk, They beaten, yoghurt, etc. PRESENTACION: Container of 225 grams.