Vitamin A: How Much Vitamin A Is Too Much?

Vitamin A is a fat-soluble vitamin found naturally in some foods.

It helps to form retinal pigments, rhodopsin & iodopsin.

 let us discuss dose, its function, benefits, toxicity, and treatment.

What is Vitamin A?

It is considered a unique nutrient named a fat-soluble, mixture group, including retinol, retina, and retinal esters.

Retinol and retinal esters – mainly found in dairy products, animal products, liver, and fish.

Provitamin A is rich in foods such as fruits, vegetables, and oils.

I had earlier shared What is Retinitis? I hope you read the post.

how much vitamin a to take ?
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Table of Contents

Vitamin A function

Vitamin A is essential for,

  • Good health
  • Immunity
  • Cell growth
  • Fetal development
  • Better eyesight
  • Nail and hair growth.

You must read this article:

It helps to prevent blindness.

Adding sufficient quantity of vitamin A in food also helps in reducing weakness in eyesight of old age and strengthen the bones.

It is essential for normal functions of glandular & epithelial tissue of skin, digestive, respiratory, urinary & reproductive system.

Promotes bone & teeth development.

Reduces the risk of lung cancer, oral & bladder.

I have already covered:


Let we discuss benefits of it,

Vitamins are very important for health it helps for eye brightness.  

It is an anti-oxidant: 

Anti-oxidants work to protect the body’s cells from the harmful effects of free radicals.

It  helpful in heart diseases, asthma, diabetes, and many other diseases.

We should consume a diet rich in vitamin A daily, it helps  skin to become healthy . 

Boost your immune system:

It is suitable for strengthening the immune system.

Before we get started, you should also read the following guides to help you learn :

All of us should support our diet with several vitamins. We recommend Vitamin A supplement from the brand Now, especially for women. However, it is recommended for all.


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Vitamin A deficiency is rare.

It cause of blindness in children.

It increases the severity and risk of dying from infection of measles and diarrhea.

The deficiency leads to risk of  anemia and death in pregnant women and increases risk of abnormal growth and development in fetus.

I recommend you to read following posts that will help you:

In some cases, the risk of  it`s deficiency is higher in premature babies and lactating women.

Symptoms of vitamin A deficiency

  • Teeth become weak,
  • Feel tired,
  • Dry hair and dry skin, sinus
  • Chronic diarrhea, pneumonia,
  • Cold
  • Weight loss,
  • Not feeling sleepy
  • Blindness

Here are 3 guides that you can refer to learn more about:

Food sources

It is quite important for the human body to stay healthy.

The plant foods include green leafy vegetables, cereals & pulses, green & yellow fruits & vegetables (like mango, orange, papaya, pumpkin), roots (carrots), etc. 

This is essential for our body to run smoothly, so what foods we eat supply the amount of vitamin A in our body.

These foods should be consumed to maintain vitamins.

  • Butter 
  • Eggs
  • Cod liver oil
  • Chicken
  • cheddar cheese
  • Liver sausage
  • Fish etc.,
  • Foods such as carotenoids are included.
  • pumpkin
  • Carrot
  • Cauliflower
  • Cabbage
  • Red chilly
  • Sweet potato
  • Collard greens
  • Butternut squash
  • Milk

Read: Is Spinach Good For You?

How much vitamin A is too much?

The recommended dose is 900 mcg for men and women, respectively, and 700 mcg during the day, quickly reached in total.

Diet However, it is essential for adults not to exceed the tolerable limit (UL) of 10,000 IU (3,000 mcg) to prevent toxic disease.

Taking too much vitamin A is harmful to the body and can cause chronic poisoning.

The most usual side effects of chronic vitamin A poisoning – often referred to as hypervitaminosis A.It can lead to Vision Disorder, Bone Pain, Hair Loss, Headache, and Skin Itching due to heavy doses.

Chronic Vitamin A Although less common. But Acute vitamin A poisoning is associated with severe symptoms.

It can be harmful if you are not taking it correctly. It can cause liver damage and chances of lung cancer.

Read: Can Kidney Cancer Spread To Lungs?

Consult your physician before taking a dose of it.

Recommendation Of Daily :- infant :300 – 400mg

Allowance : Adolescents:- 750 mg


The specific treatment to be done immediately on diagnosis by oral vitamin ”A” administration in a different dose depending upon the age.

Frequently Asked Question

What does vitamin A do?

Vitamin A is a fat-soluble vitamin that is naturally present in many foods. Vitamin A is important for normal vision, the immune system, reproduction, and growth and development. Vitamin A also helps your heart, lungs, and other organs work properly.

Is it OK to take vitamin A everyday?

The maximum daily dose relates to only pre-formed vitamin A. Pre-formed vitamin A is possibly unsafe when taken in doses greater than 10,000 units (3,000 mcg) daily. Higher doses might increase the risk of side effects. Long-term use of large amounts might cause serious side effects including mental changes.

 How much vitamin A is recommended daily?

RDA: The Recommended Dietary Allowance for adults 19 years and older is 900 mcg RAE for men (equivalent to 3,000 IU) and 700 mcg RAE for women (equivalent to 2,333 IU).

How much vitamin A is too much?

If too much is stored, it can become toxic. The tolerable upper intake of 3,000 mcg of preformed vitamin A, more than three times the current recommended daily level, is thought to be safe.


Friends! We learned all about Vitamin A in a way above, so I hope you guys will have all these vitamin A in your diet food and eat them.
Mostly, try to get vitamins from natural sources. With which you will be able to avoid this epidemic situation.

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