Calciummagnesiumvitamin d3zinc s unique formula provides the ideal balance of magnesium 300mg and calcium 800mg both at full rda levelsno other calcium supplement provides this special formulamore magnesium than 4 pints of milkmore calcium than a whole pint of milkplus vitamin d zinc and 4 additional supporting nutrientsadvanced formulano other supplement provides the exact recommended daily allowance of calcium magnesium 4 additional supporting nutrients