What is the Difference Between Similar But Different Things, Terms, and Objects

What is the Difference between Buffered C, C Complex, Ester C, Vitamin C and Calcium

Every vitamin has its own role in our body system and its deficiency can lead to some severe disease. Similarly, the excess of these nutrients is also harmful. Ascorbic acid that is also known as vitamin C is a major constituent of many food products both natural and artificial.