Many people think that because vitamin E is an antioxidant that is beneficial for beauty, it is better to use as much as possible. In fact, this substance only works in normal doses and used when really needed. Overdoing it can be troublesome.
* How does vitamin E affect the body?
In the process of metabolism, exposure to drugs, smoke, toxins, ultraviolet rays…, the body produces free radicals. They attack cells, destroy cell membranes, damage the genetic machinery in the nucleus. Free radicals disturb the physiological functions of the organs, causing many chronic diseases such as cardiovascular, cancer, neurodegenerative, alzheimer’s and making people age very quickly, especially in the skin.
The body’s defense system is able to fight this phenomenon through the oxidation of free radicals, but that oxidation will become weaker while free radical molecules are produced more and more with age. work. Therefore, the body needs to be replenished with free radicals, which are vitamin A, vitamin C, vitamin E and selenium. Vitamin E helps reduce the risk of dying from coronary heart disease, reducing the risk of heart attack for people with family members who have had the disease. Taking vitamin E prevents cardiovascular disease. This vitamin also has the ability to increase resistance, prevent cataracts and macular degeneration, prevent cancer… In addition, vitamin E also contributes to improving sex, helping ovum (eggs) and sperm. develop better, improve the results of infertility treatment. Vitamin E can help slow down the aging process of skin and hair, improve dry skin, hair loss…
When the body is deficient in vitamin E can experience symptoms such as: nervous disorders, muscle weakness, nystagmus, decreased sensitivity to touch, easy skin damage, fragile red blood cells, easy damage genitalia, can cause infertility…
* Vitamin E is not a panacea for the skin, dangerous to abuse .
Vitamin E has two main groups: tocopherols and tocotrienol. The most potent substance in the body is the alpha-tocopherol isomer. The body can absorb both natural and artificial tocopherol, but natural tocopherol in food has many better effects. The body’s need for vitamin E daily varies depending on age, sex, the amount of saturated fat that the body consumes: 3mg of nursing infants; children 1-3 years old 5-7 mg; 4-9 years old need 7 mg; children 10-12 years old need 11mg; over 12 years old 12-15mg; over 14 years old and pregnant women need 15mg; Breastfeeding women need 19mg.
The daily dose required by the body is about 100-400 units (IU) on average and there are almost no side effects when used at normal doses. Excess amounts that are not used are quickly eliminated from the body. When taken at high doses (above 400 IU/day), it promotes oxidative damage and inhibits other anti-aging agents. The most obvious manifestations of vitamin E overdose are abdominal pain, digestive disorders, fatigue, and weakness. When overusing vitamin E, taking too high a dose (over 800 IU/day may cause nausea, stomach irritation or diarrhea, dizziness, cracked tongue or laryngitis. High doses of vitamin E daily for many months are not recommended.In case of poor diet, it can be supplemented with oral drugs, but should only be taken for 1-2 months, then stopped, a few months later should be used again. Although vitamin E is quite benign, there have been cases of death when tocopherol – the most important component of vitamin E was injected directly into the vein. Maybe it was because the drug was contaminated with impurities. before can.
Information about the anti-aging and skin-beautifying effects of vitamin E appear more and more in food and cosmetic advertisements. Using vitamin E is a new beauty trend of young people. But vitamin E is not a panacea that can only limit the harmful effects of age on health. In fact, elderly people who use vitamin E exactly as indicated will be able to immediately see the effects of the drug: make the skin brighter, feel healthier. But for young people with normal health, taking a lot of vitamin E is not necessary. There are young women 30-35 years old who have been injecting vitamin E regularly, seeing this as using cosmetics to prevent skin wrinkles and discoloration. That not only wastes money but also easily leads to drug addiction, when it comes to real impact, it has to be used in high doses, prone to side effects.
The best way to supplement vitamin E is to use foods containing vitamin E of natural origin that are high in fat such as: soybeans, bean sprouts, sesame, peanuts, barley germ, sunflower seeds, olive oil …
* Beware of drug interactions .
Using vitamin E orally, injected or applied topically also requires a doctor’s specific indication to avoid drug interactions. Vitamin E has an antagonistic effect with vitamin K, can inhibit platelet aggregation, reduce blood clotting. Therefore, caution should be exercised in patients taking anticoagulants. Vitamin E should be taken 8-12 hours apart from iron tablets to avoid interactionsadverse effects in the treatment of anemia. Vitamin E may enhance the effects of digitalis on the heart. People who are being treated while using digitalis should be very careful if they need to take vitamin E to avoid causing digitalis toxicity. Long-term use of vitamin E in doses higher than 400 IU, especially when combined with estrogen, can cause blood clots, and should be used with extreme caution. Neomycin can affect fat absorption and also affect vitamin E absorption, when used together will reduce the role of both drugs.