L-Calcium Lactate Powder, CAS NO 5743-47-5, is a highly bioavailable form of calcium, which means it is easily absorbed and utilized by the body. This makes it an excellent choice for people who want to increase their calcium intake, especially those who may have difficulty absorbing other forms of calcium. In addition, L-calcium lactate powder (CAS NO 5743-47-5) is gentle on the stomach and suitable for people with sensitive digestive systems.