Vitamin D: How Does It Work
Vitamin D in medicine is called D2 and D3. It is colorless, odorless soluble crystals that may be stored at elevated temperatures. In humans, vitamin D regulates the levels of phosphorus and calcium.
Daily consumed amount of vitamin D for women - 200 IU for men - 400 IU. Lactating and pregnant females need more vitamin D to avoid rickets in the child.
This vitamin is created in the body by the action of ultraviolet rays. Enough vitamin human gets by periodically staying under the sun. At higher concentrations, it is produced in the skin of young and bright colors. Formed vitamin in certain plant and animal tissues. Therefore, a balanced diet is important to replenish the body with the needed nutrients, including vitamin D.
Sources of Vitamin D
It is found among animal products: in the egg yolks, eggs, fish oils, cheese, dairy products, butter.
Plant sources are: mushrooms, parsley, nettle, alfalfa, horsetail.
Functions of Vitamin D
- Vitamin D stops the creation of cancer cells.
- Development and bone growth are largely dependent on vitamin D.
- Vitamin D stoprs the rise of diseases such as osteoporosis, rickets, arthritis.
- Reduces the risk of diseases of diabetes and atherosclerosis, which can occur during acute insufficiency of this vitamin.
- With a slight deficiency of it deteriorating vision loss of appetite and gaining weight, insomnia appears.
- Vitamin D in the body works as a hormone and vitamin simultaneously. It improves absorption of calcium in the small intestine. As an effect of the hormone on muscular cells, kidney and intestines. Vitamin D activates the production of a protein carrier, which is required for moving calcium. This vitamin also enforces the reabsorption of calcium in muscles and kidneys.
- Vitamin D is a main element in the process of hormonal regulation of metabolism of phosphorus and calcium.
- The body is able to accumulate vitamin, so without medical supervision taking this vitamin is undesirable. To avoid hypervitaminosis recommended to establish a balanced diet and often walk in the air, especially on days with a lot of sun light.