Vitamins are complex molecules that keep the body’s chemical reactions uninterrupted. It is helpful in maintenance of energy, bones and nerves. It falls into two categories such as water soluble and fat soluble vitamins. Water soluble vitamins are stored and carried by the water that permeates every part of the body. As it is lost through the perspiration and urination, this has to be replaced daily. The water soluble vitamins are Vitamin C and Vitamin B Complex including Thiamin (B1), Riboflavin (B2), Niacin (B3), Pyridoxine (B6), Folic Acid, Cyanocobalamine (B12), Biotin and Pantothenic Acid. Fat soluble vitamins are Vitamin A (Retinol), D (Calciferiol), E (D-Alpha tocopherol) and K (Menaquinone) are transported by the fats in the blood stream. It stores in the body and excessive intake of it leads to toxicity.
It is a fat soluble vitamin, stored in the body. The Vitamin A itself available from the liver and as Beta carotene, a plant based substance that the body can convert into Vitamin A.
Action
It helps to regulate cell development, promotes bone growth, tooth development and boosts immunity. It helps to develop Rhodopsin, which is essential for night vision. It helps in reproduction by helping testicles and ovaries to function properly and in the embryo development.
Recommended daily intake
Males -5000IU
Females -4000IU
Children -2000IU
Sources
Liver is an excellent source of Vitamin A. Good sources includes carrots, sweat potato, broccoli, spinach, tomato, apricots and water melon.
Side effects
A large doze of Vitamin A (>500,000IU) can cause blurred vision, anemia, menstrual problems, enlarged liver and dry skin etc. But high doze of Beta carotene does not have any side effects.
No comments:
Post a Comment