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Vitamin A: Fun Facts About Retinol or Beta Carotene

What is the recommended dosage of Vitamin A for an adult: 5000 – 50,000 IU

What is the molecular formula: C20H30O

What does Vitamin A do in the body (benefits):
Vision, Gene transcription, Immune function, Embryonic development and reproduction, Bone metabolism, Haematopoiesis, Skin health, Antioxidant activity

What foods contain and are a good source of Vitamin A:
liver (beef, pork, chicken, turkey, fish) (6500 µg 722%)
carrot (835 µg 93%)
broccoli leaf (800 µg 89%)
sweet potato (709 µg 79%)
butter (684 µg 76%)
kale (681 µg 76%)
spinach (469 µg 52%)
pumpkin (400 µg 41%)
collard greens (333 µg 37%)
Cheddar cheese (265 µg 29%)
cantaloupe melon (169 µg 19%)
egg (140 µg 16%)
apricot (96 µg 11%)
papaya (55 µg 6%)
mango (38 µg 4%)
pea (38 µg 4%)
broccoli (31 µg 3%)
milk (28 µg 3%)

What does a deficiency in Vitamin A cause: Night-blindness and Keratomalacia

What are the symptoms of Vitamin A deficiency:

Reduced night vision
Night blindness
Dry eyes
Eye inflammation
Corneal inflammation
Rough skin
Dry skin
Vulnerability to respiratory infection
Vulnerability to urinary infection
Growth retardation in children

What happens if you overdose on the vitamin: The body automatically removes excess beta carotene so it is almost impossible to overdose on Vitamin A. The below are side effects of taking to much Vitamin A.

Skin peeling
Hair loss
Orange skin

Solubility: Fat

What is the scientific name: Retinol or Beta Carotene

When was the vitamin discovered: 1913