What Is Vitamin A Measured In RAE & What Foods Can I Find It In?

Vitamin A is the name of a group of fat-soluble retinoids, like retinol, retinal, and retinyl esters. There are two forms of vitamin A are available in our diet: preformed vitamin A and provitamin A carotenoids.

RAE is a measurement of counting bio-activities of vitamin a in foods.

Vitamin A is an essential nutrient that cannot synthesize in our body.

Vitamin A Is Essential

Vitamin A is not just one vitamin. It is the name of a group of fat-soluble retinoids, like retinol, retinal, and retinyl esters.(source 🗗)

Vitamin A is an essential nutrient that cannot synthesize in the body. Therefore, must be obtained through diet. (source 🗗)

What is RAE?

RAE stands for retinol activity equivalents. It’s a measurement to count the different bio-activities of retinol and provitamin A carotenoids in foods.

IU, international units is another measurement. RAE can only be converted into IUs if the source or sources of vitamin A are known. (source 🗗)

Two Forms Of Vitamin A

Two forms of vitamin A are available in the human diet: preformed vitamin A and provitamin A. (source 🗗)

Preformed vitamin a

Preformed vitamin A is found in foods from animal sources, dairy products, fish, and meat. (source 🗗)

The most common preformed vitamin a is retinol, which is also called vitamin A1.

Provitamin a carotenoid

Provitamin A carotenoid and is found in fruits and vegetables. The most abundant provitamin A is beta-carotene. Examples of other provitamins A carotenoids are alpha-carotene and beta-cryptoxanthin. (source 🗗)

The bioavailability of provitamin A carotenoids in fruit and vegetables is lower than once believed. It is difficult to fulfill the daily requirements through plant foods alone. (source 🗗)

Toxicity Of Vitamin A

A high intake of vitamin A supplements over a prolonged period can lead to toxicity. Toxicity from food sources is rare. Supplementation should be used only periodically. (source 🗗)

Foods You Can Find Vitamin A, RAE In

You find Vitamin A, RAE mostly in fats and oil, beef, lamb, veal, and game, poultry products.

Examples of food sources include

• Cod Liver Fish Oil
• Beef Liver
• Veal Liver
• Lamb Liver
• Domesticated Duck
• Turkey Liver
• Goose

Foods That Contain Vitamin A, RAE In Our Nutrition Tool

You can find regularly updated top ranked lists of foods for over 200+ nutrients in our nutrition tool.

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Here's our top ranked list of foods that contain Vitamin A, RAE.