Vitamins are the organic compounds required as a nutrient in tint amounts by an organism. They are essential for maintenance of health and protection from diseases. A single drop of vitamin is sometimes sufficent to provide an organism with necessary health giving force for weeks.
There are two types of vitamins, fat-soluble and water-soluble vitamins. Vitamin C comes under the water-soluble vitamins while Vitamin D comes in fat-soluble vitamins.
Functions of Vitamin C& D:
Vitamins play different roles in the development and growth of human body. Vitamin C is essential for healthy bones, teeth and gums. It builds resistance to infections. It gives strength to blood vessels. It is essential for the synthesis of collagen, which is an important structural component of blood vessels. On the other hand Vitamin D is required for bone and teeth formation. It promotes healthy bones by regulating calcium levels in the body. It is essential for the formation and strengthening of bones. It is important for the development of brain. It maintains the stable nervous system.
Sources of Vitamin C& D:
Vitamin C is found in many fresh vegetables and fruits, such as broccoli, green and red peppers, collard greens, Brussels sprouts, cauliflower, lemon, cabbage, pineapples, strawberries and citrus fruits whereas vitamin D is found in cold-liver oil, fish, milk and eggs. Exposure to sunlight is an important source of vitamin D.
Deficiencies of Vitamin C & D:
The deficiency of vitamins in the body causes various diseases. Severe vitamin C deficiency has been known for many centuries. Recent research has indicated that the people with low or deficient intakes of vitamin C are associated with increased risk of Cardiovascular Disease. Lower intakes of vitamin C can cause cancers of the mouth, throat, vocal chords and lung. On the other hand the absence or deficiency of vitamin D causes rickets in the children. Its deficiency creates common respiratory infections, such as colds and the flu. Its deficiency results in impaired bone mineralization, and leads to bone softening diseases.
Toxicity of Vitamin C & D:
The upper limit for vitamin C intake is 2000 mg/day. Up to 10 g/day of vitamin C are sometimes taken for unproven health benefits. High level of vitamin C acidify the urine, cause nausea and diarrhea, promote iron overload and increase risk of kidney stones while the vitamin toxicity results from taking excessive amount. High level of vitamin D cause high risks of heart attacks.
Interesting Facts of Vitamin C & D:
Interesting fact of vitamin C is that one cannot absorb iron without it. Not only vitamin C in oranges helps in healing the cut on the body. It’s an essential nutrient that can prevent cold and keeps your teeth looking good.