Vitamins generally are either fat soluble or water soluble. Vitamin A is a fat soluble vitamin which is generally stored in the fat tissue of the human body. It is stored for few days to 6 months. Vitamin A benefits the body by acting as an antioxidant. It helps in the maintenance of the vital organs like heart kidney and lungs. It fights against the cell damage and protects the growth of new cells. The vitamin is categorized in two forms. One is the pre formed vitamin which is called retinol and is found in animal sources like egg, meat, liver, fish oil, cheese, fortified milk, etc. The other is pro vitamin which is found in plant based sources like pumpkin, carrot, dark green leafy vegetables, sweet potatoes, broccoli, etc. This pro vitamin is also called as Beta carotene. This carotenoid produces the dark colour pigments in different vegetables.
If we have a good eye sight then we must thank Vitamin A! Retinol component of this vitamin creates the pigments required for good eye health and for the retina of the eye helping in the vision. The Age related degeneration is the most common disorder in old age where one loses the eyesight. Research proves that adequate Intake of vitamin A along with zinc can benefit the eyesight so much that this disorder can be prevented to a large extend. Xerophthalmia is a condition where the eyes cannot produce tears called dry eyes. This condition can be prevented and treated by taking adequate amounts of vitamin A.
Retinoic acid of Vitamin A is responsible to maintain good skin health. They maintain the skin health by interchanging the genes of immature skin cell with mature epithelial cells in skin. It benefits the skin by keeping it in young condition. It helps in the growth of the new skin cells and brings young glow to the skin. Vitamin A is helpful in treating skin problems like acne and other skin conditions like wrinkles.
Vitamin A helps in gene regulation. Its active form which is the retinoic acid basically exhibit anti-inflammatory and anti-proliferative activities resulting in therapeutic effects in hyper-proliferative and inflammatory diseases like photaging, neoplasias and psoriaris. This is achieved by regulating complex gene expression in target site of human gene. Thus vitamin A helps in gene regulation and transcription which is beneficial in the treatment of various disorders.
Benefits in immune system
Vitamin A improves immune system by increasing lymphocytic processes against disease causing antigens. It enhances the activity of white blood cells which are essential for immune system. It provides a shield to the body and protects it by preventing the ingestion of germs and infections. Beta carotene component of Vitamin A helps in the treatment of CAD coronary artery disease. This wonder vitamin is used to treat a special type of leukemia. The astonishing vitamin is used to treat mild cancer which is in the first stage, HIV and Cataracts in early stages. People with digestive disorder should have sufficient amount of vitamin a rich diet.
Marvel facts and benefits
Vitamin A strengthens bones and teeth making them stronger. It helps in the formation of dentin making the teeth stronger from root.
This vitamin prevents in the formation of urinary stones. They prevent formation of urinary calculi and keeps the human urinary tract in shape hence avoiding the formation of urinary stones.
Vitamin A helps in maintaining strong healthy bones and thus preventing muscular dystrophy. It ensures healthy bone growth in children and teenagers. It helps in repairing and replenishing old worn out tissues in bones.
This vitamin if taken in the required quantity can help in anti ageing process by decreasing wrinkles, fine lines and spots.
Cholesterol levels can be lowered by intake of vitamin A. Thus we can prevent heart diseases.
Vitamin A helps in maintaining a healthy reproductive system and enhances its functioning.