Vitamins
The human body needs vitamins mainly to be healthy, just as it needs carbohydrates, proteins, and fats, all in different proportions. The adult human need for carbohydrates is four to six grams per kilogram of body weight, and the adult human need for fat is 1 gram to gram per gram Of body weight, and the adult human need for proteins is estimated at one gram to about one and a half grams per kilogram of body weight, taking into account the conditions of each body, from carrying, feeding, or performing a great muscle effort.
For children, children 1 to 3 years of age need 13 grams of protein per day, and children aged four to eight years need 19 grams of protein per day. Children aged nine to thirteen need thirty-four grams Of protein per day, and girls aged 14 years and over to forty-six grams of protein per day.
Children aged 14 to 18 need to be fifty-two grams, while men aged 19 and over need fifty-six grams of protein a day. Before starting to talk about vitamin D and why it is lacking, it is important to know the concept of vitamins in general, In the body.
Vitamins are one of the most important organic compounds for humans and animals. They are essential for natural growth and the continuation of life. They are vital nutrients for the body. The body needs it in limited quantities, such as vitamin A, vitamin D, vitamin K, vitamin C, P3, P5, P6.
Causes of vitamin deficiencies
Vitamins are found naturally and naturally in the integrated balanced diet, and the cause of their deficiency is due to one of the following reasons:
- The disease that leads to wasting.
- Eat an unbalanced diet.
- Increase the body’s need for them in certain conditions such as pregnancy, and lactation.
- Eating a specific diet (non-diversification in food intake).
- People are subjected to poor absorption.
Vitamin D)
Vitamin D’s other name is the sun’s vitamin, because the sun is the primary source for this vitamin.
Sources of vitamin D
- The main source of vitamin D is sunlight, which is made in the skin once exposed to sunlight.
- Fish of all kinds.
- eggs.
- Cheese and dairy products.
Importance of vitamin D
Vitamin D helps absorb calcium and phosphorus, essential for the growth of bones and teeth, stimulates the immune system, and inhibits the activity of cancer cells.
Causes of vitamin D deficiency
- Insufficient exposure to sunlight.
- Aging, as aging reduces the underlying substance of vitamin D in the skin.
- The presence of diseases in the intestine, leading to poor absorption of the body of vitamin.
- Vitamin is collected in fat, in cases of weight gain.
- Injury to the body with certain diseases causes vitamin D deficiency, such as kidney disease, liver, and genetic diseases in children.
- Malnutrition leads to vitamin D deficiency.
- Taking some medications leads to vitamin D deficiency such as: epileptic drugs.
Symptoms of vitamin D deficiency
Fatigue, joint pain, persistent headache, and poor concentration. Vitamin D deficiency may cause rickets and rheumatoid arthritis in adults.
Benefits of vitamins for the body
- Absorb the iron from the intestines and build hemoglobin.
- Vitamins are essential to complete the process of oxidation and combustion within the human body.
- They have an important role in the metabolism of carbohydrates, fats and proteins.
- A task for the growth of children.
- Are necessary in the process of regulating the amounts of salts and water from the body, and remove them.
- Disease resistance and infection in the human body.