Vitamin A (Retinol) Benefits and Signs of Deficiency
Benefits and Functions of Vitamin A (Retinol):
Vitamin A (Retinol) promotes healthy eye function
and prevents night blindness. It aids your eyes in adjusting to
light changes when going from a bright to a dark environment.
It promotes the growth and health of body cells
and tissues, particularly in the mouth, digestive tracts, and the
It helps to regulate the immune system and
guard against bacterial infection. Additionally, it acts as an antioxidant
which helps to neutralize free radicals in the body that damage
Vitamin A also helps the body to maintain health
of tissues in the mouth, stomach, intestines, and lungs.
Vitamin A is especially crucial for pregnant
women, as it aids in postpartum tissue repair.
Signs of Vitamin
A (Retinol) Deficiency:
Vitamin A deficiency may occur due to long-term
consumption of a diet that supplies insufficient amounts of both
both vitamin A and beta-carotene. Beta-carotene is a type of vitamin
A precursor, which can be easily converted by the body into vitamin
Those with the highest risk of deficiency are
children from the ages of 6 months to 6 years old, pregnant women,
and women who are lactating.
A deficiency of Vitamin A can cause night blindness,
as well as other eye and vision problems.
A deficiency can contribute to an increase
in the susceptibility to infectious diseases.
Altered appearance may occur, including dry
and/or scaly skin.
Severe Vitamin A deficiency can also result
in decreased function of lung and intestinal tissues.
A deficiency can cause problems during pregnancy,
particularly during the third trimester when demand for the vitamin
is particularly high. A deficiency can result in night blindness
in the mother, in addition to problems related to the placenta and
possibly low birth weight of the baby.
Vitamin A (Retinol)
A vitamin A overdose can cause damage to both
the bones and the skin, resulting in weakness and brittleness. Eventually,
it could result in fatigue and vomiting. An intake of more than
25,000 IU of vitamin A per day for adults, and 10,000 IU per day
for children are toxic levels.
Symptoms of a vitamin A toxicity can include
fatigue, discomfort, lethargy, upset stomach, loss of appetite,
vomiting, soreness in the joints, irritability, headaches, dry/cracked
lips and skin, loss of hair, and yellow skin.
Vitamin A (Retinol)
A (Retinol) Daily Requirement, Dietary Sources