Mango's carotene, vitamin A content is particularly high, is rare among all fruits. Beneficial to the improvement of eyesight, can moisturize the skin, is the ladies of the beauty of the fruit. Mango contains a substance called mangiferin, this substance has obvious anti-lipid peroxidation and protection of brain neurons, can delay cell aging, improve brain function.

2. Animal food: animal liver

Animal liver is known as the "king of vitamin A" in food. People often eat animal liver, its vitamin A content from high to low in order: sheep liver, beef liver, chicken liver, pig liver. Vitamin A absorbed directly from the liver is enough to supplement the body's daily needs.

3. Vegetable food: carrots

Carrots rank first in vitamin A content in vegetables. Carrots mainly contain β-carotene, which has a very high nutritional value, 1 molecule can be converted into 2 molecules of vitamin A. Carrots contain vitamin A, the human body's normal growth and development of the substances necessary to improve the human body's immunity, and indirectly to achieve the purpose of cancer prevention.

4. Plant foods: sweet potato

According to the USDA National Nutritional Database statistics, a medium-sized sweet potato to meet the body's daily demand for vitamin A 40%, sweet potatoes than purple potatoes vitamin A content is often much higher. Chlorogenic acid in sweet potatoes is better at inhibiting melanin, effectively reducing the production of freckles and age spots. It can also inhibit skin aging, maintain skin elasticity and delay aging.