The importance of vitamins for our health can hardly be overestimated. Probably, everyone has heard that vitamins and minerals are part and parcel of a healthy diet. Unfortunately, statistics says that today people all over the world consume too much calories and too little essential nutrients and vitamins. Lack of vitamins, known as vitamin deficiency, influences the state of our skin, hair, nails, teeth and bones. In more serious cases it can cause heavy diseases – spasms, loss of hair and teeth, loss of vision, hepatic disorders, skin diseases, and many others.