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6 Health Benefits of Vitamin A, Backed by Science 1. Protects Your Eyes From Night Blindness and Age-Related Decline. 2. May Lower Your Risk of Certain Cancers. 3. Supports a Healthy Immune System. Vitamin A plays a vital role in maintaining your body’s natural... 4. Reduces Your Risk of Acne. ...
Topical and oral retinoids are common prescription treatments for acne and other skin conditions, including wrinkles. Oral vitamin A is also used as a treatment for measles and dry eye in people with low levels of vitamin A. Vitamin A is also used for a specific type of leukemia. Vitamin A has been studied...
Vitamin A benefits skin health, supports immunity, boosts vision, lowers cholesterol and keeps your bones healthy. It's also necessary for tissue repair and reproduction and may aid in the prevention of cancer and urinary stones.
11 Impressive Health Benefits of Vitamin A (Retinoid) 1. Essential for Good Eyesight. Your eyes are delicate and hence require extra care and protection. 2. It Prevents Urinary Stones. Urinary stones are a troublesome health problem. 3. For Healthy Bones. Dairy products and vitamin D are known to ...
Vitamin A benefits are wide reaching and have an influential role in brain function, skin, heart, kidneys, lungs, vision, and immune system health. It’s wide reaching influences on your overall health have earned it the reputation of being an anti-aging vitamin.
Health Benefits of Vitamin A. Vitamin A is essential for a healthy body and it has many beneficial properties, including those listed below. Strengthens Immunity. Vitamin A enhances the body’s immunity against infections by increasing the lymphocytic responses against disease-causing antigens. It keeps the mucous membranes moist to ensure better immunity and also enhances the activity of white blood cells.
Vitamin E is a group of eight fat soluble compounds that include four tocopherols and four tocotrienols. Vitamin E deficiency, which is rare and usually due to an underlying problem with digesting dietary fat rather than from a diet low in vitamin E, can cause nerve problems. The crucial function played by Vitamin E that makes it a vitamin is poorly understood, but may involve antioxidant functions in cell membranes. Other theories hold that vitamin E – specifically the RRR stereoisomer of alpha-tocopherol – act by controlling gene expression and cell signal transduction. Worldwide, government organizations recommend adults consume in the range of 7 to 15 mg per day. As of 2016, consumption was below recommendations according to a worldwide summary of more than one hundred studies that reported a median dietary intake of 6.2 mg per day for alpha-tocopherol. Research with alpha-tocopherol as a dietary supplement, with daily amounts as high as 2000 mg per day, has had mixed results.
Vitamin C, also known as ascorbic acid and L-ascorbic acid, is a vitamin found in various foods and sold as a dietary supplement. It is used to prevent and treat scurvy. Vitamin C is an essential nutrient involved in the repair of tissue and the enzymatic production of certain neurotransmitters. It is required for the functioning of several enzymes and is important for immune system function. It also functions as an antioxidant. Evidence does not support use in the general population for the prevention of the common cold. There is, however, some evidence that regular use may shorten the length of colds. It is unclear if supplementation affects the risk of cancer, cardiovascular disease, or dementia. It may be taken by mouth or by injection. Vitamin C is generally well tolerated. Large doses may cause gastrointestinal discomfort, headache, trouble sleeping, and flushing of the skin. Normal doses are safe during pregnancy. The United States Institute of Medicine recommends against taking large doses. Vitamin C was discovered in 1912, isolated in 1928, and in 1933 was the first vitamin to be chemically produced. It is on the World Health Organization Model List of Essential Medicines, the most effective and safe medicines needed in a health system. Vitamin C is available as an inexpensive generic medication and over-the-counter drug. Partly for its discovery, Albert Szent-Györgyi and Walter Norman Haworth were awarded the 1937 Nobel Prizes in Physiology and Medicine and Chemistry, respectively. Foods containing vitamin C include citrus fruits, kiwifruit, broccoli, Brussels sprouts, raw bell peppers, and strawberries. Prolonged storage or cooking may reduce vitamin C content in foods.
Vitamin B12, also called cobalamin, is a water-soluble vitamin that is involved in the metabolism of every cell of the human body: it is a cofactor in DNA synthesis, and in both fatty acid and amino acid metabolism. It is particularly important in the normal functioning of the nervous system via its role in the synthesis of myelin, and in the maturation of developing red blood cells in the bone marrow. Vitamin B12 is one of eight B vitamins; it is the largest and most structurally complicated vitamin. It consists of a class of chemically related compounds (vitamers), all of which show physiological activity. It contains the biochemically rare element cobalt (chemical symbol Co) positioned in the center of a corrin ring. The only organisms to produce vitamin B12 are certain bacteria, and archaea. Some of these bacteria are found in the soil around the grasses that ruminants eat; they are taken into the animal, proliferate, form part of their gut flora, and continue to produce vitamin B12. There are no naturally occurring notable vegetable dietary sources of the vitamin, so vegans and vegetarians are advised to take a supplement or fortified foods.