How much vitamin A is safe to take a day?
The recommended daily amount of vitamin A is 900 micrograms (mcg) for adult men and 700 mcg for adult women.
Is there a danger of having too much vitamin A?
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.
How much vitamin A is in spinach?
Like other leafy green vegetables, spinach contains a wealth of nutrients. Each half-cup of boiled spinach provides 573 mcg of vitamin A, which is 64% of the DV. This serving also provides 17% of the DV for iron and 19% of the DV for magnesium.
What are the symptoms of low vitamin A?
Symptoms of a Vitamin A Deficiency
- Night blindness. This causes you to have trouble seeing in low light.
- Xerophthalmia. With this condition, the eyes may become very dry and crusted, which may damage the cornea and retina.
- Bitot spots.
- Skin irritation.
- Stunted growth.
Can too much vitamin A cause hair loss?
Yes, overdoing vitamins and nutritional supplements can cause hair loss. In addition to excessive selenium, taking too much Vitamin A can also cause hair loss.
Which vegetable has the most vitamin A?
Spinach is known as a nutrient powerhouse for a reason. A single half-cup serving of spinach contains more than 570 mcg of vitamin A. Whether you’re eating it raw, in a smoothie, or cooked into a dish, spinach is a great way to get fiber and vitamin A at the same time.
Is 20000 IU of vitamin A Safe?
Levels of up to 10,000 IU (3,000 mcg) have been considered safe. Beyond that, though, vitamin A can build up to cause liver damage and brain swelling; pregnant women who ingest too much run the risk of fetal damage.