Preformed vitamin A comes in three forms: retinol, retinal, and retinoic acid. It’s a fat-soluble vitamin that stores in the liver.
Vitamin A is a collective name of different forms of vitamin A. They are not all equally beneficial.
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Why Do We Need Preformed Vitamin A?
Vitamin A is essential for our health. It’s a powerful antioxidant. When it moves through your body, it scavenges damaging free radicals and fights inflammation.
Vitamin A is crucial for normal vision, the immune system, and reproduction. Vitamin A also helps the heart, lungs, kidneys, and other organs work properly.
Preformed Vitamin A Sources
Foods high in preformed vitamin A include beef liver, tuna, egg yolks, grass-fed butter, cream, cod liver oil.
Preformed vitamin A comes from animal products, such as meat, fish, poultry, and dairy foods.
Concentrations of preformed vitamin A are highest in liver and fish oils.
You can also find preformed vitamin A in fortified foods and vitamin supplements.
Toxicity Of Preformed Vitamin A
Preformed vitamin A is the most active vitamin A in humans. Overconsumption of preformed vitamin A can be toxic and lead to hypervitaminosis A.
When someone consumes too much vitamin A 🗗, it takes a long time to repair their tissue damage after they discontinue their intake. The liver damage that might have arise is not always reversible.
Our Articles About Preformed Vitamin A
Below you will find our articles on performed vitamin A. You can read about the nutrient and what it might be able to do for you.
Retinol (Vitamin A1)
Retinol is a vitamin in the vitamin A family. Retinol is often used in supplements and used to treat and prevent vitamin A deficiency.
Learn more about retinol in our article: What Is Retinol, Vitamin A1?
The benefits of consuming retinol are its essential role in vision, normal bone and tooth development, and reproduction. It’s also known for its benefits in skincare.
Retinol has a lot of benefits. Learn all about them, and see if they might be able to do something for you: Retinol: 11 Research-Backed Benefits
Vitamin A measured in RAE
RAE stands for retinol activity equivalents. It’s a measurement used for vitamin A only. Find out more about it in What Is Vitamin A Measured In RAE?
There are many benefits you can ripe from vitamin A. Find out what they are and they might be able to help you in Vitamin A, RAE: 8 Research-Backed Benefits .
Vitamin A measured in IU
IU is a unit of measurement for vitamins and other specific substances. Learn more about it, and how you can convert retinol from IU to mcg in What Is Vitamin A In International Units?