Results 1 - 10 of 28 for Retinol OR vitamin AND a
  1. Vitamin A, also known as retinol, is essential to the formation of visual purple in the retina, which ... in dim light. Beta carotene, the precursor to vitamin A found in vegetables, has antioxidant properties, which means ...
  2. Like most vitamins, vitamin A may be obtained in the recommended amount with a well-balanced diet, including some enriched or fortified foods.
  3. ... to help absorb some of the vitamins, including vitamin A, vitamin D, vitamin E, and vitamin K.
  4. ... to treat and often requires taking an oral vitamin A derivative.
  5. A lack of vitamin C is usually found in malnourished older adults, leading to nutritional disease such as scurvy.
  6. ... E and selenium, iron, magnesium, zinc and B vitamins. Fiber is a very beneficial nutrient that is found in whole ...
  7. Pellagra is a disease of deficiency of niacin (vitamin B3) which causes problems in the skin and the digestive and nervous systems.
  8. ... system. The capsule is about the size of a large vitamin pill. After swallowing it, the capsule travels the length of your digestive system and transmits images to a wearable recorder.
  9. ... may be obtained in the recommended amount with a well-balanced diet. Vitamin K is also made in the body by normal beneficial gastrointestinal bacteria.
  10. ... C do not usually cause toxicity because, as a water-soluble vitamin, it is simply excreted in the urine. People who tend to form kidney stones may find ...
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