Excess Vitamin A

Under the heading Fashion trends: oggi collection 2010

Today women’s magazine JustLady will tell about an excess of vitamins in the body and its consequences.

It is known that all vitamins are divided into fat soluble and water soluble. Fat-soluble vitamins are A, D, K, E and F. All other substances and acids make up a group of water-soluble vitamins.

Fat-soluble vitamins have the ability to accumulate in the liver and adipose tissue of the human body, so the excess of vitamins of this particular group is most often found. The most severe consequences are observed when excess vitamins in the body A and D.

Excess Vitamins in the Body there are two types: acute and chronic. Acute hypervitaminosis (an excess of vitamins in the body) occurs when one-time poisoning with a large dose of vitamin. Chronic form develops with regular and long-term use of vitamins in quantities that exceed the required need. In some cases, hypervitaminosis can occur if you have an increased sensitivity to this substance.

Symptoms of excess vitamins in the body

Vitamin A This vitamin we get from animal products (retinol), as well as vegetables and fruits (carotene), with a third of the consumption should fall on retinol and two-thirds on carotene. The daily need for this vitamin for an adult is about 1 mg of retinol or 6 mg of carotene, when it comes to vitamin supplements.

Excess Vitamin A in the body may develop with the frequent use of the liver of polar animals and birds in the food, as well as excessive intake of preparations containing vitamin A.

In acute hypervitaminosis, symptoms appear in the first hours after taking a large dose. It is characterized by nausea, vomiting, headache and dizziness, sometimes loss of consciousness and seizures. On the second day a rash appears, which gradually turns into peeling.

Chronic excess vitamin in the body can develop from a month to a year and is expressed in a gradual increase in anxiety, excessive irritability, insomnia. Dysfunctions of the urinary system and kidneys, stomatitis, loss, brittleness and dryness of hair, nasal bleeding, swelling, cracks in the lips, increased sweating are also observed.

With an excess of vitamin A in the body, limit the use of products containing this substance and add vitamin C to the diet.

Vitamin D

The daily requirement is about 25 mcg for an adult.

Excess vitamin in the body most often occurs when exceeding the dose of alcohol solution of vitamin D. Symptoms of acute hypervitaminosis appear on the first day or one to two weeks after taking an elevated dose of the drug. Chronic excess of vitamin in the body makes itself felt in about 4-6 weeks.

Symptoms of an excess of vitamin D are loss of appetite, weakness, fever and pressure, indigestion and gastrointestinal function, muscle pain, headaches.

Vitamin K

The daily need for an adult – 20 mg. With an excess of vitamin K in the body develops a tendency to thrombosis.

Vitamins E and F

The daily rate of vitamin E – 15 mg, for vitamin F, the norm has not yet been established. Excess in the body of these vitamins is not toxic, harm to health with hypervitaminosis is not detected.

As already mentioned, mainly fat-soluble vitamins accumulate, because water-soluble vitamins are eliminated from the body with a liquid, and, accordingly, their deficiency is more common. However, cases are possible. an excess of vitamins and this group.

Vitamin B1

The daily dose is 1.2–2.6 mg for men and 1.1–1.9 mg for women. Symptoms of excess vitamin in the body: a violation of the liver and kidneys, fatty degeneration of the liver.

Vitamin b4

Daily requirement is 0.5–1 mg. Excess vitamin in the body can be identified by the following symptoms: low blood pressure, increased salivation, increased intestinal motility, depression of heart activity.

Vitamin B6

Daily intake is 1.4–3 mg for men, 1.3–2 mg for women. Symptoms of hypervitaminosis: allergic reactions, impaired blood circulation in the limbs.

Vitamin B9

Daily requirement – 0.2 mg. With an excess of folic acid in the body, there is a tendency to allergic reactions, a disorder of kidney function, and increased excitability.

Vitamin B 12

Daily intake – 3 mg.Symptoms of excess vitamin in the body: increased irritability, increased blood clotting, allergies.

Vitamin C

Daily dose – 60–90 mg for men, 60–80 mg for women. In hypervitaminosis, there are impaired functions of the kidneys, liver, pancreas, the formation of kidney stones, a disorder of the gastrointestinal tract, disorders of calcium metabolism and absorption of B vitamins, cardiac activity, sleep disorders and functions of the central nervous system.

Vitamins PP, B3

The daily requirement for nicotinic acid is 15-28 mg for men and 12-20 mg for women. When hypervitaminosis is detected fatty degeneration of the liver, a violation of the absorption of vitamin B1. Folic acid and vitamin B12 can be used as a treatment.

All other water-soluble vitamins with an excess of do not have a toxic effect on the body.

Excess Vitamin A

The daily dose is given per adult healthy person. For diseases, special conditions (pregnancy, lactation), in childhood and old age, the dose of taking vitamins and their list is discussed with a doctor.

Alexandra Panyutina Women’s magazine JustLady

Like this post? Please share to your friends:
Leave a Reply