Bone Health Calc Phos is the most abundant tissue salt in the body. It is found in bones, teeth, connective tissue, blood corpuscles and gastric juices. It is the main constituent of all cells of body fluids and may restore tone to weakened tissues and organs. It assists with the digestion and absorption of food and is vitally important for the building of strong bones and body structure. It may speed up convalescence and replenish the body’s reserves. Calc Phos also plays a part in blood coagulation and may assist with excessive bleeding – nose bleeds.