The shocking truth about the overdose of vitamin A: how too much can destroy your liver

The shocking truth about the overdose of vitamin A: how too much can destroy your liver

vitamin A is an essential fat -soluble vitamin that plays a crucial role in maintaining healthy skin, vision and immune function. Although it offers several health benefits, it is important to find the right balance. Taking too much vitamin A can lead to serious health complications, including liver damage. This article examines the advantages, deficiency symptoms and dangers of overdose vitamin a.

Why people take vitamin A

vitamin A is essential for several reasons:

1. Healthy seeing: Vitamin A is important for maintaining healthy eyesight and preventing night blindness.
2. Support of the immune system: It helps to protect the body from infections by maintaining a robust immune system.
3. skin health: Vitamin A is important for cell growth and skin regeneration and keeps the skin healthy and youthful.
4. reproductive health: it supports reproductive health in men and women.

Symptoms of a vitamin A deficiency

The deficiency symptoms of vitamin A include:

1. night blindness
2. dry, scaly skin
3. increased susceptibility to infections
4. difficulties to receive or maintain pregnancy

Advantages of vitamin A

The health advantages of vitamin A include:

1. improved immune function
2. improved view
3. healthy skin
4. better reproductive health

food rich in vitamin A

vitamin A is contained in different food sources, including:

1. sweet potatoes
2. carrots
3. spinach
4. kale
5. broccoli
6. egg
7. dairy products
However, it is important to consume these foods in moderation in order to avoid overdose vitamin A.

Dangers of an overdose of vitamin A

Excessive consumption of vitamin A, known as hypervitaminosis A, can cause serious health problems, including liver damage. According to a study published in the New England Journal of Medicine, an excessive supply of vitamin A is associated with an increased risk of liver damage and broken bones (Festkanich et al., 2002). Another study in the American Journal of Clinical Nutrition showed that a high vitamin A mirror in the blood can lead to cirrhosis, a state that is characterized by irreversible scarring of the liver (Penniston & Tanumhardjo, 2006).

How vitamin A damages the liver

vitamin A is fat -soluble, which means that it is stored in the body's adipose tissue, including the liver. In the event of excessive consumption, vitamin A enriches in the liver and causes toxicity. Over time, this can lead to liver inflammation, fibrosis and finally cirrhosis.

warning signs and symptoms of an overdose of vitamin A

Signs of vitamin A overdosing are:

1. nausea and vomiting
2. dizziness
3. headache
4. fatigue
5. appetite loss
6. dry, rough skin
7. joint pain
8. swelling of the liver
9. yellow coloring of skin and eyes (jaundice)

If you occur with you one of these symptoms, it is important to see a doctor immediately.

maintaining a healthy balance of vitamin A

To avoid overdose vitamin A, follow these guidelines:

1. take a balanced diet that is rich in fruit, vegetables and other vitamin A sources.
2. Avoid excessive use of vitamin A preparations, especially if you already consume vitamin-rich foods.
3. consult a doctor before starting with a new nutritional supplement, especially if you already have liver diseases or are pregnant.

It is important to consider the recommended daily supply of vitamin A in order to avoid overdose. According to the National Institutes of Health (NIH), the recommended daily dose (RDA) for vitamin A varies depending on age and gender. For adult men, the RDA is 900 micrograms (MCG) retinol activity equivalent (RAE) per day, while adult women need 700 mcg RAE a day. Pregnant and breastfeeding women should contact your doctor for specific recommendations. The tolerable upper intake (UL) for vitamin A, which is the maximum daily recording, which is unlikely that it has harmful effects, is set for adult men and women on 3,000 mcg RAE per day. The regular consumption of more than UL can lead to vitamin A toxicity and increase the risk of liver damage and other health complications.

While vitamin A is essential for maintaining general health, it is important to be aware of the dangers of overdose this nutrient. With a balanced diet and monitoring the vitamin A supply, you can use the advantages of this essential vitamin without endangering your liver's health.

sources:

1. Festkanich, D., Singh, V., Willett, W. C., & Colditz, G. A. (2002). Vitamin A intake and hip fractures Among postmenopausal Women. The New England Journal of Medicine, 346 (1), 47-54., https://www.nejm.org/doi/10.1056/nejmoa140848
2. Penniston, K. L., & Tanumihardjo, S. A. (2006). The acute and chronic toxic effects of vitamin A. the American Journal of Clinical Nutrition, 83 (2), 191-201., https://academic.oup.com/ajcn/article/83/2/191/4649420