Word Origin & History. critical 1580s, censorious, from critic + -al (1). Meaning pertaining to criticism is from 1741; medical sense is from c.1600; meaning of the nature of a crisis is from 1640s; that of crucial is from 1841.
Calcium citrate is the calcium salt of citric acid. It is commonly used as a food additive (E333), usually as a preservative, but sometimes for flavor.In this sense, it is similar to sodium citrate.alcium citrate is also found in some dietary calcium supplements (e.g. Citracal).
While citrate and carbonate are the most common type of calcium supplements, there are others available, including calcium phosphate, gluconate, and lactate. So no matter how you get it, taking in enough calcium is vital for a strong, healthy body. âCalcium is critical for heart and muscle function,â Dr. Deal says.