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vitamin-a

vitamin-a

vitamin-a Sentence Examples

  • The study itself was not stopped, but the participants were told to stop taking the beta carotene and vitamin A or placebos.

  • Some causes are mainly unilateral whereas others like vitamin A deficiency are often bilateral.

  • The study itself was not stopped, but the participants were told to stop taking the beta carotene and vitamin A or placebos.

  • They are an excellent source of vitamin A our bodies convert the orange pigment carotene into it.

  • The other carotenoids do not contribute to vitamin A in any appreciable manner.

  • Consider excess dietary vitamin A intake as a possible cause for congenital cleft palate when it occurs and review the mothers nutritional history.

  • More than 60 percent favored GM foods to help diabetics as well as wheat with vitamin A to combat blindness.

  • fortifysources of vitamin A include cheese, eggs, oily fish (such as mackerel ), milk, fortified margarine and yogurt.

  • For vitamin A the NGO trains villagers to grow and eat papaya, pumpkins, carrots and other yellow vegetables.

  • retinol equivalents (RE) which allows the different forms of vitamin A to be compared.

  • The cream brings the benefits of vitamin A and jojoba oil, which is the closest oil to our own natural sebum.

  • ulcer healing from taking vitamin A has been reported by the same research group.

  • UNICEF has said a program that gives children two large doses a year of vitamin A could all but eliminate VAD, although more frequent, smaller doses would be better.

  • Vitamin A is measured in retinol equivalents (RE) which allows the different forms of vitamin A to be compared.

  • The cream brings the benefits of vitamin A and jojoba oil, which is the closest oil to our own natural sebum.

  • Renowned for increasing cell turnover, Vitamin A helps to slough off dead skin cells to reveal glowing, youthful looking skin.

  • A modified form of vitamin A has been reported to work synergistically with chemotherapy in test tube research.

  • Objective evidence of ulcer healing from taking vitamin A has been reported by the same research group.

  • Mineral oil is useful for lubricating a clod, but it also leaches Vitamin A from your cat's system.

  • If you give your cat a good multi vitamin a couple of times a week he should be getting everything he needs.

  • Do watch the amount of liver that you feed your pet, especially if you are supplementing your cat's food with vitamin A.

  • When you consume acai pulp, berries or juice, you are consuming as much Vitamin C as if you ate a cup of blueberries and over 1,000 IU of Vitamin A for every 100 grams of acai.

  • Burdock root contains both vitamin A and the chemical selenium which has been shown to help reduce toxins in the body.

  • Eating only liver can result in vitamin A toxicity.

  • According to a 2000 study by the Archives of Family Medicine (9:258-262), about 40 percent of Americans take at least one vitamin a day, the majority taking a multi-vitamin with minerals.

  • Also worth pointing out is that the percentage for vitamin A is 100 percent and not higher.

  • The risk is especially great with vitamin A.

  • It has about 400% more vitamin A than other beef as well.

  • Similarly, retinoids derived from vitamin A are being tested for their ability to slow the progression of or to prevent head and neck cancers.

  • Some studies have shown that children with measles encephalitis benefit from relatively large doses of vitamin A.

  • Beta-carotene, which is converted to vitamin A in the body, is also essential to healthy skin, hair, and nails.

  • This water-based gel has chemical properties similar to vitamin A.

  • Severe vitamin A deficiency can result in xerophthalmia, a disease that, if left untreated, results in total blindness.

  • Isotretinoin-A powerful vitamin A derivative used in the treatment of acne.

  • Anyone who has had unusual reactions to etretinate, isotretinoin, tretinoin, vitamin A preparations, or benzoyl peroxide in the past should let the physician know before using an antiacne drug.

  • Vitamin A or any medicine containing vitamin A.

  • Using any vitamin A preparations with isotretinoin increases side effects.

  • Do not take vitamin supplements containing vitamin A while taking isotretinoin.

  • Fat-soluble vitamin-A vitamin that dissolves easily in fat or oil, but not in water.

  • Bata-carotene, which your body converts to Vitamin A as needed, helps support healthy skin, hair, and nails.

  • At Nordstrom, one can find the Vitamin A Brigitte Bandeau Bikini Top.

  • Additionally, vitamin A also offers the Sapphire Shimmer look in mocha, but this time the swirl pattern on the top is also featured on the bottom portion of the swimsuit.

  • Quickly becoming a swimwear favorite on the west and east coasts, Vitamin A Swimwear is both fashionable and functional.

  • Designer Amahlia Stevens' personal obsession with the bikini led her to develop her own brand of swimwear, Vitamin A.

  • Check out the Vitamin A website where you can look at the various collections and mix and match the different pieces to create a look all your own.

  • Known as retinol, Vitamin A plays a very important role in many functions of the human body.

  • Davis, Vitamin A was the first of the fat soluble vitamins to be identified.

  • Generally, vitamin A is divided into two categories depending upon the food source.

  • The two sources of vitamin A found in nature are plants and animals.

  • When the food source is animal, the vitamin A is called preformed vitamin A.

  • It is absorbed into the body as a type of retinol which is the form of vitamin A that is the most active.

  • Many rich, dark colored vegetables and fruits are the source of vitamin A found in plants.

  • Vitamin A is essential to our survival, so how can there be such a thing as vitamin A toxicity?

  • This article will take a closer look at what vitamin A does and what happens when you get too much of it into your system.

  • It comes in two forms; preformed vitamin A, and provitamin A, a precursor that becomes vitamin A in the body once ingested.

  • This is where you find substances like beta-carotene, the primary source of vitamin A in carrots.

  • For the former, meats and meat products like liver pack quite a vitamin A punch, as do fish, eggs and most dairy products.

  • Unfortunately, the same does not hold true for fat-soluble vitamins like vitamin A.

  • The severity of vitamin A toxicity depends on a lot of factors, such as body size and pre-existing conditions.

  • It is also worth noting that pregnant women should be especially careful not to overdo the vitamin A, since studies have shown that developing children are particularly vulnerable to the negative effects of vitamin A overdosing.

  • Another point of note is that these symptoms are primarily the result of the preformed vitamin A.

  • Finally, you may hear about a new breed of engineered vitamin A that is water-soluble.

  • This would seem like great news, except that so far it has turned out significantly more toxic than the regular, fat-soluble version of vitamin A.

  • In fact, a recent study showed children supplemented with water-soluble vitamin A were twice as likely to develop asthma and other allergies.

  • Each year it is estimated that between 250,000 and 500,000 children worldwide lose their sight due to a vitamin A deficiency.

  • In the United States a deficiency of vitamin A is not common within the general population.

  • People living in underdeveloped nations are at a much higher risk from the damage caused by a deficiency of vitamin A.

  • In these countries it is estimated that there are more than 250 million children of preschool age suffering from a deficiency of vitamin A.

  • A deficiency of vitamin A results in vision problems that range from dry eye, known as xerophtalmia, to complete blindness.

  • Generally, the first sign of a deficiency of vitamin A is a problem with vision.

  • In underdeveloped nations where vitamin A deficiency is prevalent among children, death and disease often result from severe infections caused from common childhood illnesses such as measles and diarrhea.

  • To view the Recommended Dietary Allowance, or RDA, of vitamin A go here.

  • Although a vitamin A deficiency is rare in the United States, the effects worldwide are a devastating problem.

  • The effects could be significantly reduced with a diet that supplies the necessary amounts of vitamin A.

  • This is because of the beta-carotene, a powerful antioxidant and precursor to vitamin A.

  • Normally, vitamin A overdosing would be harmful since it's a fat-soluble vitamin, but in this case the only effect is looking funny.

  • Vitamin A: Vitamin A (both retinol and beta carotene) helps keep skin properly moisturized and can reduce the appearance of lines and wrinkles because it boosts skin's natural elasticity.

  • Sources: The best Vitamin A source for skin care is topical lotions and creams that are suitably fortified.

  • Some vitamins, like B and C, are essentially harmless (except an upset stomach) no matter how much you chug, while others such as vitamin A and most minerals tend to accumulate in the body.

  • While fish oil is definitely a good source of omega-3 fatty acids, cod liver oil is much higher in vitamin A and vitamin D and therefore provides many additional health benefits.

  • Adequate vitamin A in the diet promotes healthy skin and hair, and also increases your immunity, helps vision, encourages bone and tooth development, and maintains healthy mucous membranes.

  • If you suffer from dry skin or night blindness you may want to eat these fruits which are rich in vitamin A.

  • A powerful antioxidant, vitamin A also helps to prevent free-radical damage to your cells, which in turn helps to prevent diseases such as cancer.

  • Other fat-soluble vitamins, like vitamin A and E, can also impact absorption.

  • Some vitamins, such as vitamin A and K, have specialized functions.

  • If you've ever heard the old adage, "Eat carrots to improve your eyesight," then you are familiar with one of the benefits of eating foods rich in vitamin A.

  • There are a number of plant, animal and fortified foods you can eat that contain vitamin A.

  • Because vitamin A is fat soluble, it can build up to toxic levels as unused amounts are stored in body fat.

  • For this reason, it is best to try to get your daily allowance of this nutrient from foods rich in vitamin A rather than through supplementation.

  • For healthy adults, the recommended daily intake of vitamin A is between 600 and 1700 micrograms per day.

  • Are you getting an adequate amount of vitamin A in your diet?

  • The following fruits, legumes, vegetables and grains are excellent plant sources for vitamin A.

  • This is in large part due to the presence of carotene, the primary form vitamin A takes in plant foods.

  • The following animal products are rich sources of dietary vitamin A.

  • Because there is potential for vitamin A toxicity, it's always best to discuss supplementation with your personal health care provider.

  • In most cases, adequate intake of dietary sources of vitamin A will be sufficient.

  • If your diet is low in yellow and green vegetables, you may need to take vitamin A tablets to avoid the effects of a vitamin A deficiency.

  • Specifically, vitamin A helps your body form the chemicals necessary to perceive light and color in your retina.

  • Like many nutritional supplements, it is important not to overdose on vitamin A as the results can be serious or even life threatening, according to Drugs.com.

  • Excess vitamin A may even cause your body to breakdown too much bone tissue, leading to an increased risk of developing osteoporosis.

  • Because it is fat soluble, you should take vitamin A tablets with food, preferably containing some fat.

  • Your body can use vitamin A best if you are also getting adequate amounts of vitamin E and zinc in your diet.

  • In addition to the dosage requirements, there are several special considerations you need to consider before taking vitamin A tablets.

  • If you are taking any prescription medication, consult your doctor before adding a vitamin A supplement to your diet.

  • Birth control pills or blood thinners such as Warfarin may increase vitamin A levels, leading to potentially toxic amounts of the vitamin in your system.

  • Other medications, such as cholesterol-adsorbing resins like cholestyramine, can interfere with your body's ability to absorb and use vitamin A.

  • If you are taking cholesterol-reducing medications, check with your doctor or pharmacist to ensure you are getting enough vitamin A.

  • Similarly, you may need extra vitamin A if you have a condition which affects your body's ability to absorb nutrients such as celiac disease or Crohn's disease.

  • If lifestyle or health considerations prevent you from getting enough, a vitamin A supplement can help you receive the amount your body needs for optimal growth and vision.

  • Boost your immune system, maintain strong eyesight and keep your skin looking smooth by eating a diet full of vitamin A foods.

  • Most people absorb nutrients from food more efficiently than by taking vitamin supplements, and that's true of vitamin A.

  • Since the nutrient appears in many different foods, deficiencies of vitamin A sometimes arise solely from the fact that the nutrient is fat soluble.

  • Diets extremely low in fat, or the presence of medical conditions that interfere with the absorption of dietary fat, will result in vitamin A deficiencies.

  • Geneticists are studying the role of vitamin A in regulating genetic events.

  • Researchers continue to study the role of vitamin A in disease resistance and treatment.

  • Numerous fruits and vegetables contain compounds that the human body converts into vitamin A.

  • The three types of carotenoids that humans can convert into vitamin A are beta carotene, alpha carotene and gamma carotene, all three of which are sometimes referred to as provitamin A.

  • Because humans convert these carotenoids into vitamin A, nutritional labels often refer to this content as vitamin A.

  • Klaire makes several vitamins, including micellized vitamin A.

  • You can get vitamin A in one of two forms, depending upon the nutrient source.

  • Perhaps you most associate vitamin A with its plant sources.

  • You can get vitamin A from food sources like carrots, eggs and dairy products, or take vitamin A supplements.

  • When you think about which are the most important vitamins for eyes, the vitamin A found in carrots may be the first thing that comes to mind.

  • Carrots, as well as other red, orange, and yellow fruits and vegetables, contain substances called Carotenoids, which are precursors for vitamin A.

  • The human retina needs vitamin A in order to function.

  • It contains four different types of compounds that contain vitamin A.

  • Poor adaptation to the dark, or night blindness, is an early result of a Vitamin A deficiency.

  • Antioxidant vitamins such as vitamin C, vitamin E and vitamin A are all popular ingredients for topical hair and skin products.

  • Carrots, spinach and sweet potatoes are all food sources of vitamin A.

  • Asparagus: This green vegetable is a staple of low carb diets and a good source of vitamin A.

  • A rich source of antioxidants that helps prevent oxygen-based damage to cells and is an exceptional source of vitamin C and vitamin A.

  • It also provides a good source of calcium, potassium and vitamin A.

  • It contains 120% of the USRDA of vitamin A.

  • Carrot juice is a great source of vitamin A or carotene.

  • A diet that promotes healthy hair includes lean protein, low-fat dairy, and also includes the vitamin A needed for healthy skin, the vitamin D and calcium needed for healthy bones as well as foods rich in vitamins B, C, and E.

  • Tretinion is a prescription topical cream that contains a derivative of vitamin A.

  • For example, vitamin A reduces sebum production (the oil that causes breakouts).

  • Retinoids are medications for acne derived from vitamin A.

  • Be warned, though, that vitamin A is potent and should not be taken in large doses; this is predominantly why it is available via prescription in the form of Retin-A and Accutane.

  • Vitamin A: Vitamin A is equally renowned for its anti-aging properties.

  • Vitamin A: Also recognized as retinol, vitamin A is one of the most potent ingredients used in the quest to achieve more youthful skin.

  • Rich in antioxidants like alpha lipoic acid, vitamin A and vitamin E, the product protects the skin from free radicals and works as an extra line of defense in an anti-aging regimen.

  • However, if you are patient, this combination of retinoic acid and vitamin A acid will clean out and then balance your pores and speed the turnover of dead cells.

  • Another popular topical is tazorotene, which is also a vitamin A derivative.

  • Vitamin A: Easily one of the most popular additions to anti-aging skin care products, vitamin A is also known as retinol.

  • Retinol: Retinol is an antioxidant made from a vitamin A compound.

  • Nighttime Renewal Complex with Retinol delivers pure vitamin A to the skin through patented MICROSPONGE technology.

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