Due to hormonal changes occurring in women's bodies after '40, women should pay particular attention to vitamin D. Female body may procure vitamins in three ways: through food, naturally rich in vitamins and with added ones by exposing the skin to sunlight and through dietary supplements.
Although sunlight and natural foods are the best source for each age, women over 40 sometimes need to take supplements to prevent vitamin deficiency. After that age, the recommended daily dose of vitamins for the fairer sex is 15 micrograms.
The main foods that are rich in vitamin D include: mushrooms, fatty saltwater fish, eggs, liver and alfalfa. If it is not possible to obtain the vitamins in adequate amounts with food, it is necessary to take nutritional supplements.
25-hydroxyvitamin D supports the growth, development and maintenance of bone, helps the regulation of blood pressure and activity of the immune system by affecting cells such as macrophages and T cells. It plays an important role in cellular differentiation. Women who do not get enough vitamin D under highly increased risk of developing cancer, hypertension, osteoporosis, and autoimmune diseases such as rheumatoid arthritis and insulin-dependent diabetes.
The World Health Organisation recommends taking 15 micrograms of complex substances every day. Except for women over 40, this recommendation applies to pregnant or lactating mothers. In pharmacies, without prescription sell many supplements and vitamins that support the required balance, but if taken without the express prescription by a doctor can cause a number of side effects: diarrhea, vomiting, weight loss, bone and joint pain and fatigue. They can intervene in the action of drugs based on corticosteroids.
Women suffering from kidney or heart disease or high levels of calcium and phosphorus in the blood should not take supplements with vitamin D.
It is possible overdose of vitamins. The maximum dose that is tolerated by the body is about 150 micrograms per day. If this dose is exceeded, excess compound assumed it was too much to be removed from the body and acts as a toxin. Diseases of hypervitaminosis D, causing cardiac arrhythmias develop kidney stones, severe weight loss, kidney damage, and the walls of blood vessels, muscle weakness, and bladder problems.
Deficiency of vitamin D e much more widespread and common than overdosing because usually noticed only when they develop any of the conditions surrounding it. The reasons for the deficit are endless, but among the main worldwide are: women who lived much of north and are subjected to short days and long nights or women who cover their skin for religious reasons - and in both cases it is strongly suppressed at natural sources of vitamin D - sun. The second is obesity. Ladies overweight more likely to develop inflammatory condition of the gastrointestinal tract that often go unnoticed, but impair the absorption of vitamin coming with food.
You should always seek medical advice before accepting any pharmaceutical product, even vitamins.