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Vitamin A

Vitamin A: Benefits, Food Sources, Deficiency and Dosage

Vitamin A: Benefits, Food Sources, Deficiency and Dosage

Vitamin A is the main fat-soluble vitamin in the body. It is rich in antioxidants and helps to improve resistance to certain diseases. Vitamin A also helps maintain the normal function of eyes, hair, teeth, gums and mucous membranes. Vitamin A is involved in fat metabolism and white blood cell production. Studies have shown that vitamin A may prevent damage to DNA or blood vessels.

Food Sources and Health Supplement Recommendations for Vitamin A Efficacy

Vitamin A: efficacy, food sources and health care products

Vitamin A is fat soluble retinoid , which is stable to heat, acid and alkali but liable to oxidization. There are two types of vitamin A. The first type named retinol, which is the original form of vitamin A and only comes from animal food. The other type is carotene, which can be ingested from both plant-based food or animal-based food. The conversion efficiency from carotene to retinol varies by person. Vitamin A contains photosensitive substances that help make the retina (i.e. rhodopsin), which is very important for night vision. Vitamin A is also essential for body growth and development and maintaining the skin and mucosa, so that the immune system operates normally.

Vitamin A

 Vitamin A: Health Benefits, Deficiency, Food Sources, and Supplements

Vitamin A is a fat-soluble nutrient that is essential for maintaining human health. But the human body cannot produce it autonomously, it can only be obtained from food. Vitamin A is good for the growth of the body, strengthens immunity against diseases, and promotes the development of certain organs in the body, especially the eyes. We can get vitamin A not only from plant foods such as carrots, pumpkins, and breast milk, but also from animal foods such as dairy products (whole milk, yogurt, cheese), liver, and fish oil. Recently, the World Health Organization proposed that vitamin A deficiency has affected some people, such as young children, women of childbearing age and pregnant women. Lack of vitamin A can cause multiple consequences, which can affect our health and physical function. Let us learn more about it together!


A, B, C of Vitamins: know your Vitamins.

Every day, the body requires vitamins in small amounts. Unfortunately, most vitamins cannot be produced by the body. So, we have to rely on our diet for a steady supply of these nutrients. A balanced diet is the major source of essential Vitamins. However, where it is difficult to get sufficient vitamins from your diet, you can rely on the intake of vitamin supplements to meet your daily dose.This article highlights the basic facts and benefits you should know about all of your vitamins.

Vitamin supplement

Which vitamins supplement should we take at different ages?

Which vitamins should people of different ages supplement? Babies and children should be supplemented with adequate vitamin D and calcium to help their growth. From adolescence to adulthood, vitamin A and D should be supplemented to maintain the normal work of the oil line. Adults should supplement vitamin C to prevent oxidation, and the elderly need to supplement vitamin B12 to improve blood pressure.

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