Vitamin A is a very important nutrient source that sustains vital functions such as hair, skin, immune system and vision.
Therefore, vitamin A invites many problems in case of both its excess and deficiency.
We have compiled all the details about vitamin A, which is so valuable and that should be known, in our article below.
What Is Vitamin A?
Vitamin A, one of the important fat-soluble vitamins, it’s also a type of antioxidant substance that is of great importance for the immune system.
Vitamin A, which provides accurate copying of DNA and thus healthy cell reproduction and protection, is advantageously available from both animal and vegetable sources.
It was first registered in the scientific world as a growth component in 1913, and by 1930 chemically resolved.
This vitamin, which is in the form of a fatty acid in foods, is absorbed in free form after it is broken down in the digestive system and is stored for growth and development, 90% in the liver and 10% in other regions.
It is possible to take this vitamin, which acts as a hormone, into the body in different ways. For example, there is the precursor state called preformed in animal foods.
The main ingredient of vitamin A is called beta carotene, its active form is retinol and its stored form is retinyl palmitate.
With the benefits of vitamin A, which is found in many places such as liver offal, colorful vegetables and fruits, it prevents many problems from skin and eye dryness to acne and acne.
It even has a unique role in maintaining the best of vision.
For these reasons, in case of vitamin A deficiency, a complex treatment program including nutrition, drug supplement and life regulation is applied by doctors.
However, it should not be forgotten at this point that the excess of vitamin A, like every component, is also harmful.
In case of excess, problems such as hair loss, nail breakage and fat accumulation in the liver will occur.
What Does Vitamin A Do?
Undoubtedly, the unique benefits of this vitamin should also be mentioned in order to control what is vitamin A.
Because what makes its formula so important is that it has great importance for our body.
The benefits of this vitamin, which are necessary for the continuity of many functions from immunity to vision, can be listed as follows:
The stored vitamin A helps the body to defend against diseases and infections.
- It forms the natural cover of the skin and nails.
- It provides functional continuity of vital organs such as kidney, heart and lung.
- It allows the eye retinas to absorb light, thereby ensuring vision.
- It enables the cells to grow, develop and complete the necessary differentiation stages. It is particularly effective on bone cells in this area.
- It prevents the occurrence of health problems such as night blindness and dry skin.
- Thanks to fruits and vegetables containing this vitamin, it has been noted that the risk of developing cancer is reduced.
- In particular, oral, lung and colon cancers can be prevented by taking adequate amounts of beta-carotene-rich foods.
The epithelium in the intestine and stomach is involved in the tissue and mucous layers of the lungs and respiratory tract, and plays a role in the continuity of digestion and respiration.
What Are the Benefits of Vitamin A?
As it is known, type 2 diabetes type is a disease that develops afterwards and can be controlled by proper nutrition.
If foods containing this vitamin are consumed, a component derivative called retionic acid enters the body and helps balance blood sugar.
Vitamin A supplement will also show its benefits for those who are looking for natural methods for hair and skin beauty and who know that dietary supplements rather than cosmetics are much more important.
A beneficial oil layer called sebum produced on the scalp for healthier hair is produced naturally only in the presence of this component.
In this way, the moisture balance of the hair or skin is protected.
A vitamin A derivative called carotinoid goes into battle with free radicals and electrons that accumulate in cells, both protecting cells and preventing damage to DNA.
Thanks to this component, jaw bone, teeth and gum health are largely protected and gum bleeding and withdrawal problems are prevented.
How Much Vitamin A Should Be Taken Daily?
This vitamin, which has both animal and vegetable sources, facilitates its intake thanks to its nutrient variety.
However, the ideal amounts to be taken daily of this special ingredient, which may cause problems in case of excess, such as its deficiency, are as follows:
- 400 mcg in the first 6 months.
- 400 mcg from 7th month to 1st year.
- 400 mcg between 1 and 3 years old.
- 400 mcg between 4 and 8 years old.
- 600 mcg between 9 and 13 years old.
- 900 mcg for men over 14 years old.
- 700 mcg for women over 14 years old.
- 770 mcg during pregnancy.
- 1300 mcg during breastfeeding.
What Are the Foods Containing Vitamin A?
It is possible to take precautions about deficiency or excess by adding this vitamin or foods containing retinol in appropriate amounts to the nutrition program.
Animal foods such as liver, yogurt, cheese, goat and cow’s milk, butter, fish of oily species, and vegetables such as spinach, sweet potato, carrot, pumpkin, turnip, chard, red pepper, zucchini and legumes such as lentils are among the foods that contain this vitamin most. .
What Is Vitamin A Deficiency?
People having malnutrition habits cause malfunctions in the body’s functions.
In such cases, visual defects occur primarily.
Conditions such as preterm birth, insufficient care of children in developing countries, malnutrition during breastfeeding, cystic fibrosis disease pose a risk for deficiency of this vitamin.
What Are Vitamin A Deficiency Symptoms?
Vitamin A deficiency manifests itself visually on the skin, hair and nails.
Diseases such as eczema that require taking medications containing Alitretinoin, itching and burning sensation caused by skin dryness may be caused by insufficient intake of this component.
Alitretinoin is also a supplement that provides the effect of a vitamin A drug for the skin, and in case of its deficiency, infections occur on the skin.
Dryness in the eyes and throat, not only the skin, but also in the mucous layer and eye structure, is one of the complaints that this food is taken inadequate.
Inadequate secretion of mucosa by lack of vitamins will cause the epithelial tissue cells to harden and the nose, sinus, mouth and urinary tract to become vulnerable to infections.
If its deficiency continues for a long time, it causes permanent and serious problems as well as problems that can be compensated and corrected with necessary supplements such as skin health.
In order to be more conscious of this situation, which invites many diseases, what deficiency of vitamin A causes will be effective in mastering the answer to the question.
*Developmental of retardation
*Slow wound healing
*Night blindness, blindness in progressive tables
While this vitamin is among the serious problems that occur in case of insufficient intake, it may trigger liver fatty if taken in excess.
How is Vitamin A Deficiency Diagnosed?
This insufficiency, which can be diagnosed using eye examination, can also be seen with a blood test.
A more preferred blood test to reach precise values and establish a full diagnosis will be a reference point in the reveal of the treatment program, along with a detailed family history and patient CV assessment taken by your doctor.
How Is Vitamin A Deficiency Treated?
Although the answer to this question is hidden in the miracles of nature, medication supplements are considered necessary if the deficiency progresses.
Vitamin A drugs should never be used unconsciously, but should be determined by the doctor based on age, gender and need ratio.
In addition to these medicines available in the form of capsules or tablets, there are also vitamin supplements that can be applied in the form of topical cream on the skin.
Carovit and Avicap varieties of this component, which is found in acne and acne creams, can only be obtained by prescription.
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