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Vitamin A

維他命A的益處,食物來源,缺乏症和劑量

Benefits of Vitamin A, food sources, deficiency symptoms, and dosage

Vitamin A is the body's main fat-soluble vitamin, rich in antioxidants, which helps improve resistance to certain diseases. Vitamin A also helps maintain the normal function of the eyes, hair, teeth, gums, and mucous membranes. Vitamin A is involved in fat metabolism and white blood cell production. Some studies suggest that vitamin A may prevent DNA or blood vessel damage.

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維他命A功效食物來源和保健品推薦

Vitamin A Effects, Food Sources, Recommended Supplements

Vitamin A is the name of a fat-soluble retinol-like substance that is stable to heat, acids and alkalis and is easily oxidised. There are two types of vitamin A. Vitamin A alcohol, which is found only in animal foods, is the original form of vitamin A. Carotenoids, which can be ingested from either plant or animal foods, are converted to retinol in the body at levels that vary from person to person. Vitamin A contains photoreceptors (i.e., retinoids) that help create the retina, which is important for night vision; promotes growth and development; and maintains normal skin and mucous membranes and a functioning immune system.

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維他命A

Learn about vitamin A and its effects

Vitamin A is a fat-soluble nutrient essential for maintaining human health. However, the human body cannot produce it on its own and must obtain it from food. Vitamin A is beneficial for growth, strengthens the immune system to fight disease, and promotes the development of certain organs, especially the eyes. We can obtain vitamin A not only from plant-based foods such as carrots, pumpkins, and breast milk, but also from animal-based foods such as dairy products (whole milk, yogurt, cheese), liver, and fish oil. Recently, the World Health Organization stated that vitamin A deficiency has affected certain groups, such as infants, women of childbearing age, and pregnant women. Vitamin A deficiency can have various consequences that affect our health and bodily functions. Let's learn more about them!

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维他命

Get to know common vitamins and minerals

The human body needs a small amount of vitamins every day, but unfortunately, most vitamins cannot be produced by the body itself, so we must rely on diet to obtain a certain amount of nutrients. A balanced diet is the main source of essential vitamins for the human body. However, it is difficult to obtain sufficient vitamins from diet alone. Therefore, we need to obtain vitamin supplements to meet our daily needs. This article focuses on introducing some basic information about vitamins and their benefits to the human body.

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補充維他命

What vitamins should people of different ages take?

What vitamins should people of different ages supplement? Infants and children should supplement with sufficient vitamin D and calcium to aid growth. Adolescents and adults should supplement with vitamins A and D to maintain normal lipid metabolism. Adults should supplement with vitamin C for antioxidants. Older adults need to supplement with vitamin B12 to improve blood pressure.

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