Introduction to Vitamins
Vitamins are organic compounds, found only in living things, and are required in small quantity by the organisms as nutrients. With a few exceptions, usually body cannot manufacture or synthesize vitamins, these have to be taken with the diet. Vitamins are one of the major nutrients that a human body requires. These are responsible for the growth, vitality and the general well being of the human body. Vitamins also help to prevent and cure many health problems and diseases. Deficiency of vitamins thus may cause several health hazards, which can easily be seen in India. Therefore, while taking your food, you need to be extra cautious to include vitamins in appropriate quantity in your diet.
How Vitamins Work
Vitamins are one of the most important nutrients for the human body. It comes into the body with a meal and then start to regulate the metabolism of the body. These help to convert fat and carbohydrates into energy, that your body requires to grow. These also help in forming bone and tissue.
Types of Vitamins
Vitamins are classified by their biological and chemical activity. There are two types of vitamins available:
- Fat-soluble Vitamins
- Water-soluble Vitamins
Fat-soluble Vitamins are long lasting vitamins, that are stored in the fat tissues in our body and in our liver for quite a time. These may stay in our body for a few days, or even for up to 6 months. There are special carriers in our body which take the stored vitamins to the necessary body parts as and when it is required. Vitamins A, D, E, and K are Fat-soluble Vitamins.
Water-soluble Vitamins are not stored in our body. Instead, these Vitamins travel through your bloodstream to reach various parts of our body. The amount of water-soluble Vitamins that the body does not require, is released from our body in the form of urine. There are nine Water-soluble Vitamins that include Vitamin C and the Vitamin B Complex group.
List of Vitamins
Following are the list of vitamins, their source of availability, and the daily requirements for Men and Women:
|Vitamin A (Retinol)||Cod Liver Oil||0.7mg||0.6mg|
|Vitamin B1 (Thiamin)||Rice Bran||1.0mg||0.8mg|
|Vitamin C (Ascorbic Acid)||Lemons||40mg||40mg|
|Vitamin D (Calciferol)||Cod Liver Oil||0.01mg||0.01mg|
|Vitamin B2 (Riboflavin)||Eggs||1.3mg||1.1mg|
|Vitamin E (Tocopherol)||Wheat Germ Oil, Cosmetic and Liver||10mg||8mg|
|Vitamin B12 (Cyanocobalamin)||Liver||0.002mg||0.002mg|
|Vitamin K (Phylloquinone)||Luzerne||0.8mg||0.06mg|
|Vitamin B5 (Pantothenic Acid)||Liver||5mg||5mg|
|Vitamin B7 (Biotin)||Liver||0.03mg||0.1mg|
|Vitamin B6 (Pyridoxine)||Rice bran||1.4mg||1.2mg|
|Vitamin B3 (Niacin)||Liver||19mg||15mg|
|Vitamin B9 (Folic acid)||Liver||0.2mg||0.2mg|