Pre-formed vitamin A is found in animal sources like fish oil, liver, and (to a lesser extent) milk and eggs. It is definitely possible to get too much of this form of vitamin A, especially if you're taking a lot of dietary supplements. 1 апр. 2013 г.
Can you get too much vitamin A through food?
Yes, high intakes of some forms of vitamin A can be harmful. Getting too much preformed vitamin A (usually from supplements or certain medicines) can cause dizziness, nausea, headaches, coma, and even death.
Are eggs high in Vit A?
Eggs are also high in vitamin A, which deserves another mention here. Vitamin A deficiency is the most common cause of blindness in the world ( 31 ). Summary The antioxidants lutein and zeaxanthin are very important for eye health and can help prevent macular degeneration and cataracts.
What are symptoms of too much vitamin A?
Symptoms and Signs of Vitamin A Toxicity Drowsiness, irritability, abdominal pain, nausea, and vomiting are common. Sometimes the skin subsequently peels. Early symptoms of chronic toxicity are sparsely distributed, coarse hair; alopecia of the eyebrows; dry, rough skin; dry eyes; and cracked lips.
What happens if vitamin A is too high?
Hypervitaminosis A is a condition that occurs when a person has too much vitamin A in their body. This can happen if a person takes too many supplements or uses certain creams for acne over a prolonged period. Symptoms of hypervitaminosis A include vision problems, changes in the skin, and bone pain.
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