CA-C 1000 X10 EFF. TAB(ORANGE) are Orange tablets containing a combination of Calcium and Vitamin C SUPPLEMENTS in an effervescent tablet in orange flavour. It contains Calcium Carbonate, Calcium Lactate Gluconate and Vitamin C as active ingredients. It works by blocking the damages caused by free radicals thus heals wounds; raising serum calcium levels; neutralizing acids thus relieving acid reflux.