vitamin A

Vitamin A – What Why and How?

This article will explain Vitamin A: What it is, what causes a deficiency, how it can be treated, and how you can get more of it. We will also discuss the Carotenoids and synthetic forms. And we’ll talk about Deficiency symptoms. Hopefully, this information will make your decision about supplementation easier. So, read on to learn more. And don’t forget to follow our vitamin A guide!


Deficiency of vitamin A is a serious health condition that results from inadequate dietary intake of this essential nutrient. It can be aggravate by a number of other conditions, such as low vitaminA content, or by high rates of infection. Deficiency of vitamin A is a global public health problem affecting more than half of the population.

It is estimate that over five million children in Pakistan are vitamin A deficient, with an increase risk of blindness. Recent studies show that as many as 16% of children in primary schools in Karachi, Pakistan, are anaemic. Furthermore, the risk of VAD among pregnant and lactating women is around 70%. Despite the increase prevalence of vitaminA deficiency, it can be prevent by avoiding the most common causes of vitaminA deficiency.

Deficiency of vitamin A is one of the leading causes of blindness, with many symptoms arising from the poor vision and the dry skin. Moreover, it may also lead to congenital malformations in pregnant women. In addition to the above, vitaminA deficiency is associate with a number of health problems, including stunte growth in children, and infertility in adult men.

Deficiency of vitamin A can be cause by malnutrition and a poor diet that lacks green leafy vegetables, animal products, and a sufficient supply of fresh milk. In addition, excessive alcohol consumption has been link to vitamin A deficiency. VitaminA is vital for the normal growth of the eyes, immune system, and other bodily functions. A lack of vitaminA may lead to anemia, poor vision, skin infections, and premature infant mortality.


The human body has the ability to accumulate a wide variety of carotenoids, such as b-carotene, k-carotene, and lutein, and it is unclear whether dietary intake is important or not. However, provitamin A activity of carotenoids is a clear pathophysiologic consequence of dietary carotenoid “deficiency.”

Two main groups of carotenoids are carotenes and xanthophylls. Lutein is the most abundant carotene, and is believe to help prevent age-relate eye disease. However, these compounds are mask by chlorophyll, which prevents them from being visible. As a result, carotenoid colors are most prominent in ripe fruit. In addition to eye health, carotenoids are essential for immune function and growth.

In addition to their antioxidant and anti-inflammatory properties, carotenoids have other functions. They can facilitate intercellular communication between neighboring cells in culture. They can increase the synthesis of connexin proteins, which form pores in cell membranes and allow exchange of small molecules. This function is essential for maintaining differentiation in cells, and it is often lost in cancer cells. Furthermore, carotenoids are known to improve cell communication and increase the activity of other molecules in cells.

As a pro-vitamin, beta-carotene is a precursor of vitaminA. Since carotenoids are pro-vitamins, they can be use for human consumption as a food coloring. These compounds are also believe to fight cancer. So, in addition to giving us the benefit of increase Vitamin A, they also have antioxidant properties and are useful for fighting cancer.

Synthetic forms

The natural form of vitamin A is a group of compounds found in plants, including beta carotene, which the body needs to convert to vitamin A. Synthetic forms of vitamin A are derive from palm oil, which causes deforestation. They are also made from hydrochloric acid, acetone, and coal tar. These forms have several harmful side effects, including accumulating in joints. While there are benefits to vitaminA, it’s important to know what is in synthetic forms.

While natural vitamins are important for healthy skin, synthetic forms are harmful to our bodies. They lack a number of important parts of the vitamin, making them less effective. A good example of a synthetic form of vitamin A is a dietary supplement. Synthetic forms of vitamin A have been shown to cause kidney failure in some people. The vitamin is produce from natural substances. Vitamin A is also the precursor to vitaminD and vitamin K.

Fortunately, there are other sources of vitaminA. All red, non-citrus fruits and vegetables are rich in vitamin A. Fish, particularly sardines and cod liver, are high in vitaminA. Vitamin supplements may help prevent or treat skin conditions such as psoriasis and photoaging. But be sure to consult your doctor before using any supplement. The only exception is when the drug is prescribe for cosmetic purposes.

When taken as a supplement, synthetic vitaminA will mimic the effects of a drug. They mimic the effects of the vitamin on the human body and overstimulate the body. The synthetic version will also draw co-factors from the body. That is why they’re not a good idea, as they don’t mimic nature and are likely to cause health problems. It’s best to choose natural vitamin supplements.


Symptoms of vitaminA deficiency may include: impaire dark adaptation, headache, blurre vision, fatigue, and loss of appetite. Severe vitamin A poisoning may cause liver and eye damage. Vitamin A overdose can also lead to convulsions, irregular heartbeat, and confusion. Excessive vitamin A can also cause liver failure. If you suspect that you are deficient in vitamin A, you should contact your doctor immediately.

There are two types of hypervitaminosis A: acute and chronic. Acute toxicity occurs when the body is expose to excessive amounts of vitaminA over a short period of time. It causes dry skin, joint and bone pain, and fatigue. Liver tests may reveal mild or moderate abnormalities, and in severe cases, liver enlargement may be present. Reducing vitamin A intake usually improves symptoms. However, people who have chronic toxicity should seek medical care immediately.

Acute vitamin A toxicity occurs when an adult consumes more than 25,000 IUs of vitaminA daily. Chronic vitamin A poisoning may develop if the person is taking more than 25,000 IUs per day. Vitamin A toxicity is much more common in infants and children, and small amounts of it can cause serious illness. Beta-carotene is harmless in small quantities, but high levels can cause a yellowing of the skin.

Some people also develop a deficiency in vitaminA, and this can result in poor night vision and other eye conditions. Even worse, it can also lead to cancer. While it may seem counterintuitive, Vitamin A helps fight cancer cells. Deficiency can lead to tumor growth. Cenforce 100mg tablet and Vidalista 20mg can help men’s problem. The onset of cancer may be delay or even impossible. A deficiency of vitamin in a pregnant woman can lead to serious health complications.


Although it’s easy to consume too much vitaminA, there are some serious risks associate with too much of the nutrient. Excessive amounts of vitaminA can cause liver damage, vision problems, and even death. Severe cases of vitamin A toxicity can result in skin thinning and roughness, as well as bone pain, enlarge liver, and even coma. High doses of vitamin A can also weaken bones, increasing the risk of fractures.

While there are risks associate with too much vitaminA, this vitamin is absolutely necessary for the development of a growing baby. Vitamin A is essential to the development of the baby’s brain, limbs, and heart. However, deficiency during pregnancy can lead to night blindness and increase risk of death for the baby. Excessive consumption of vitamin A in pregnancy can lead to birth defects or problems if it isn’t properly absorbed.

Low vitamin A levels may result in a number of deficiencies in the body. Deficiency in vitaminA increases the risk of developing pneumonia, heart disease, and anaemia. In women, a lack of vitaminA can even lead to miscarriage. It is also possible to develop night blindness and xerophthalmia, which are diseases cause by a lack of vitaminA. While these risks are not fatal, it’s always a good idea to have plenty of vitamin A in your diet.

Research indicates that too much vitamin A is associate with increase cancer risk. Vitamin A supplements can cause severe damage to the liver, especially if taken for long periods of time. Taking supplemental vitaminA is not recommended, but consuming yellow or green plant foods is safe. Those looking to consume supplemental vitaminA should focus on foods that contain high levels of vitaminA. These include fish, eggs, and liver, as well as meat and poultry.

Leave a Reply

Your email address will not be published.