Well would you not know what vitamins do in order to your body? It's very vital for your existence that people shall not survive for very long without one. Actually the foundation from the word says so. The word vitamin originates from amalgamation with the words 'vital' and 'amine'. Though they need to be supplied in small quantities but the insufficient this leads to severe health problems. One criterion for any compound being said to be vitamin is that it can not be made within the body but must be supplied by means of diet. Moreover what we should simply call vit an or B might have several vitamins, which can be compounds which have exactly the same property because the group, for example retinol and retinal plus some carotenoids are altogether group under one name, vitamin A. Vitamins are said to possess a number of different body functions like they behave as antioxidants (C and E) while some may control the cell growth process (A), while vitamin b complex can help by serving as enzymes in essential metabolic-reactions which go on inside the body. The scarcity of which, can result in diseases like night blindness (due to lack of vitamin A), scurvy (as a result of scarcity of vitamin C), whereas beriberi is brought on by scarcity of vitamin B etc. One way to eliminate the deficiency would be to always have a nutritionist with you, to look into the diet but it is not possible for most people. Another approach, which would be to supplement the diet plan with multivitamin tablets, what are the the easy way complete the required deficit within the diet since it contains the required quantity of vitamins. The initial step on the sale of vitamin was at are Vit c tablets in the form of health supplements, that was done around 1934 but it took the investigation of decades to make their own the process and make a single multivitamin tablet. These days you can get it at any medical store, but the bottom-line is the effect with the tablets can vary. Although with the tablets are not properly tested to become as good as advertised, thus it's better to purchase it from the reliable source. Moreover, additionally it is important that the huge benefits will be more and unwanted effects are less if it is an all-natural vitamins tablet, because it will probably be well absorbed by the body and provide you with maximum benefit. There is really a required dietary allowance, which can be essential for any healthy adult or child and the required criteria must be met through the given vitamin tablet, otherwise they may be regarded as being useful.