Vitamins are organic substances (created by plants or animals), whereas minerals are inorganic elements derived from soil and water and absorbed by plants or consumed by animals. Some minerals, such as calcium, are required in greater quantities by your body in order to grow and maintain health.Let's take a look at what makes a vitamin organic. Natural or organic vitamins, as the name implies, are derived from plant material that naturally contains the vitamin being supplemented. Vitamin E, for example, is derived from vegetable oils, and vitamin C is found in oranges and several other plants.