Vitamin D of the group (secosteroids) that are usually dissolved in fat and are responsible for strengthening and enhancing the absorption of the intestine of calcium, iron, magnesium, phosphates and zinc in humans and animals. The most important compounds in this group are vitamin D3 (also known as coliccalciferol) and vitamin D2 (known as ergocalciferol) ) Coliccalciferol and ergocalciferol can be taken from food and supplements from the body Vitamin D can also be synthesized in the skin by sunlight when exposed to sunlight and if sunlight is insufficient (vitamin can be taken through dietary supplements).
Vitamin D is called vitamin but it is not vitamin in the nutritional sense like other vitamins because it can be synthesized in sufficient amounts of sunlight, and this is in all animals, humans and mammals in general. Here, scientists can say that exposure to sufficient sunlight and a combination of good food complement the synthesis of this important vitamin in our lives. Studies have shown that the deficiency of this vitamin in areas far from the equator line more than the areas near the equator because of the presence of sunlight at the level of the equator for as long as possible and this prevents the lack of this vitamin in cold areas, the lack of this vitamin is due to lack of sunlight and therefore It is compensated in supplements. And that the body’s requirement for vitamin D daily depends on body structure, weight, age and skin color also have a role in the amount of body needs of this vitamin.
I oppose vitamin D deficiency as listed below:
There are no consistent symptoms of this vitamin deficiency, but we summarize it as follows:
- Fatigue.
- General weakness in the muscles.
- Muscle spasms.
- Pain in many joints of the body.
- high blood pressure .
- Lack of rest in sleep.
- Headache and poor concentration.
- Bladder problems, some diarrhea and some constipation.
There are some diseases associated with the lack of this vitamin: –
- Osteoporosis .
- Lack of it leads to many types of cancers.
- Cause some heart and arterial problems.
- Causes an increase in weight and obesity.
- Causes many diseases related to any imbalance in metabolism such as diabetes, gout and many diseases.
Vitamin deficiency can be compensated by nutritional supplements from the pharmacy such as vitamin D supplements. There are some foods such as milk, egg yolks, salmon, fish liver oil, mushrooms, canned sardines and cheese. It is rich in this vitamin, tuna, salted fish and liver. Calf.