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).
Calcium is available in many forms-calcium carbonate, calcium citrate, calcium orotate, and that just names a few. Coral calcium, a form of calcium carbonate, is exactly what the name implies.It is calcium sourced from fossilized coral sources and is the most common form of calcium on the planet. A small, invertebrate animal polyp secretes a limey substance that hardens into the coral structure. This substance is calcium carbonate.alcium supplements have become very popular and are generally thought to be an effective way to promote healthy bone density. Indeed, calcium does have benefits but itâs important to understand there are various forms of calcium and they all behave a little differently.