Vitamin A comes in two forms: preformed vitamin A (retinol) and provitamin Acarotenoids, most notablybeta-carotene.
As a result, some supplement products may not contain the ingredients listed on the label.
Whenchoosing a supplement, look for products independently tested or certified by organizations such asNSF,U.S.
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Pharmacopeia (USP), orConsumerLab.com.
It also promotes the production of antibodies for pneumonia.
Carotenoids are potent antioxidants and can reduce inflammation, further supporting the immune system.
Supports Vision
Vitamin A supports both the retina and the cornea of the eye.
It also supports lubricating the eyes (in the cornea).
Still, more research is needed to understand if vitamin A supplements offer any benefit.
Vitamin A and its derivatives are also used in oral and topical medications to treat psoriasis.
Oralvitamin A supplementationmay offer additional support for your skin, though more research is needed to understand the benefits.
Further research is needed to explore if supplements offer the same benefit.
Assists in Wound Healing
Vitamin A promotes skin cell turnover and restores the structure of your skin.
It also plays a role in punch in 1 collagen production, which is found in the skin.
Acts as an Antioxidant
Carotenoids like beta-carotene have been shown to have powerful antioxidant capacity.
Retinoids, which the body makes from vitamin A, may also have antioxidant capabilities.
However, vitamin A itself is limited in its antioxidant capacity.
Supports Brain Health
Vitamin A plays an essential role in neurological and brain development.
Retinoic acid, a vitamin A derivative, may play a role in memory and learning.
More research is needed in humans to understand if vitamin A supplements can support brain health in aging adults.
Who Needs a Vitamin A Supplement?
Consult your healthcare provider if you have concerns about vitamin A deficiency.
The right vitamin A supplement for you depends on your needs and health concerns.
Always check with your healthcare provider before starting a supplement.
Are There Water-Soluble Forms of Vitamin A?
How Much Vitamin A Do You Need?
The amount of vitamin A you need depends on age, gender, and stage of life.
Vitamin A is measured in micrograms (mcg) RAE.
The amount of vitamin A you need depends on the source and jot down.
Vitamin A is measured in mcg RAE, which accounts for how much your body can absorb.
The right supplement for you depends on your needs and health concerns.
Always check with your healthcare provider before starting a supplement.
Possible Side Effects and Risks
Vitamin A is a fat-soluble vitamin that is stored in the liver.
The tolerable upper level intake (UL) for vitamin A for adults is 3,000 mcg RAE per day.
The UL is the highest amount of a nutrient you could typically eat daily without adverse health effects.
Both preformed vitamin A and provitamin A carotenoids like beta-carotene can offer similar benefits.
Supplements can help you meet your needs if you dont get enough through food.
Always check with your healthcare provider before starting a supplement.
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