The intake of vitamin D is necessary for adequate serum calcium and phosphate concentrations, the sufficiency of these helps to maintain the normal mineralization of bones. The Vitamin D can be achieved by taking foods like meat, fish, eggs and mushrooms and also it is found in sunlight. The calcitriol acts as fighter against other microbial germs, viruses, bacteria and fungi by making stronger your immune system.
How do you know that how much do you take IU of vitamin D in food? First of all you need to understand the vitamin D IU. The IU is an international unit which is used for taking Vitamin D content of a food and is measured in micrograms of cholecalciferol. For example 1 microgram of vitamin D is equal to 40 IU and if we again multiply 40 IU by 0.025 it will be 1 microgram.
If we talk about the intake of vitamin D IU per day it can be categorized according to the age only, and excepting the concern of gender, weight and pregnancy. Averagely, from birth to 50 years of age you need to take 200 IU of vitamin D, from age of 51 to 70 years you need 400 IU of vitamin D and more than 70 years age you need 600 IU of vitamin D. The foods you use to overcome the need of IU of vitamin D include flesh of different fish such as salmon, tuna, mackerel, etc. The egg provides 20 IU. The clouds reduces the ultraviolet radiation by 50 percent and also the effect of this radiation dies when it passes through the glasses of windows or doors. The short or deficiency of Vitamin D in your body may result in different diseases such as Influenza, cancer and cardiovascular disease and can affect our immune system. Vitamin D Defiiencies - How Do Vitamin D Deficiencies Affect Health