Vitamins and minerals are nutrients your body needs in small amounts to work properly and stay healthy. Beta carotene, the form of vitamin A found in plants, plays a role in preventing macular degeneration , the leading cause of age-related blindness. Vegans, who do not eat dairy, eggs, fish, or meat may be at risk for vitamin A deficiencies if they do not eat plenty of dark-colored fruits and vegetables.
Although no toxic effects have been reported in humans, high doses have caused liver damage in rats. Antioxidant vitamins (A, C, and E), carotenoids, and many phytochemicals can neutralize harmful free radicals. A study done in London found that vitamin A supplements reduced child mortality by 24 % in low and middle-income countries.
Genes involved in immune responses are regulated by Vitamin A, which means it is essential for fighting serious conditions like cancer and autoimmune diseases, but also illnesses like the flu or common colds. Fat soluble vitamins include vitamins A, D, E and K. These are absorbed with fat through the intestine and into the blood stream and are stored in the liver.
Never disregard professional medical advice or delay in seeking it because of something you have read on this website. For elderly women, there is some evidence of a small reduction in mortality with supplementation, but well below what was seen in observational data and only marginally statistically significant.
Beta-carotene, alpha-carotene, and beta-cryptoxanthin are carotenes that are converted into vitamin A or retinol (the active form of vitamin A) in the body. The information provided on this site is for informational purposes only and is not intended as a substitute for advice from your physician or other health care professional or any information contained on or in any product label or packaging.