Which meals are a good source of vitamin A?

Vitamin A, also known as retinol, is vitamin soluble in fat necessary for human development. In fact, it was one of the first vitamins to be discovered. In 1913, scientists have already praised the benefits of this substance for their patients. The most important features of vitamin A include:

• Vision protection: This substance is best known as "eye vitamin" because it protects and improves vision. It helps with night vision, adaptation to low light and eye focus. The deficiencies of vitamin A are considered one of the main causes of blindness in developing countries.
• Resistance to viral infections: Lack of vitamin A is often cited as the main cause that the infection disappears longer. This vitamin stimulates the immune system and increases antibody production.
• Reproduction: Vitamin A is essential for normal reproductive cycles and sperm production. The deficiency can lead to a decrease in fertility levels.

Lack of vitamin A is more common in people with problems with malabsorption or those thatThey use certain drugs that disrupt absorption such as Colestid®, a drug reducing cholesterol and nestycin®, antibacterial drug. The accessories are easily accessible and are a good choice for people who are afraid that they do not get enough of this substance from this diet, or for those who may think they are losing some of what they take.

The best sources of vitamin A include animal products such as eggs, cheese and milk and oily fish. Vegetables are not a good source of vitamin A, but it provides carotenoids that the body can turn into retinol. The best sources of carotenoids include yellow and dark green plants such as carrots, spinach, peppers, kale and greens turnip.

Because this substance is stored in the body, it is possible to end too much. The symptoms of vitamin A toxicity A include vomiting, fatigue and loss of appetite; In acute cases, this can lead to visual changes, depression and anemia. AllCHNS These symptoms are usually reversed as soon as vitamin intake is reduced.