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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1943 1
1944 1
1951 1
1952 2
1957 1
1961 1
1964 1
1965 3
1966 2
1967 3
1968 6
1969 6
1970 3
1971 4
1972 8
1973 5
1974 1
1975 12
1976 5
1977 4
1978 8
1979 11
1980 7
1981 6
1982 15
1983 21
1984 20
1985 23
1986 12
1987 22
1988 14
1989 25
1990 31
1991 29
1992 26
1993 25
1994 28
1995 20
1996 24
1997 19
1998 17
1999 16
2000 19
2001 16
2002 19
2003 20
2004 15
2005 22
2006 26
2007 9
2008 22
2009 12
2010 28
2011 17
2012 17
2013 14
2014 16
2015 18
2016 17
2017 17
2018 19
2019 15
2020 16
2021 10
2022 14
2023 16
2024 8
2025 11
2026 7

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879 results

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Page 1
The importance of vitamin A in nutrition.
Dawson MI. Dawson MI. Curr Pharm Des. 2000 Feb;6(3):311-25. doi: 10.2174/1381612003401190. Curr Pharm Des. 2000. PMID: 10637381 Review.
Preformed vitamin A (all-trans-retinol and its esters) and provitamin A (beta-carotene) are essential dietary nutrients that provide a source of retinol. ...In groups already having sufficient dietary or supplemental vitamin A, cancer pre …
Preformed vitamin A (all-trans-retinol and its esters) and provitamin A (beta-carotene) are essential dietary nutrients …
Evaluation of vitamin A toxicity.
Hathcock JN, Hattan DG, Jenkins MY, McDonald JT, Sundaresan PR, Wilkening VL. Hathcock JN, et al. Am J Clin Nutr. 1990 Aug;52(2):183-202. doi: 10.1093/ajcn/52.2.183. Am J Clin Nutr. 1990. PMID: 2197848 Review.
Toxicity has been associated with abuse of vitamin A supplements and with diets extremely high in preformed vitamin A. ...An identifiable fraction of the population surveyed consumes vitamin A supplements at 25,000 IU/d and a few i …
Toxicity has been associated with abuse of vitamin A supplements and with diets extremely high in preformed vitamin …
Vitamin neurotoxicity.
Snodgrass SR. Snodgrass SR. Mol Neurobiol. 1992 Spring;6(1):41-73. doi: 10.1007/BF02935566. Mol Neurobiol. 1992. PMID: 1463588 Review.
The multiple enzymes and binding proteins involved in regeneration of retinal vitamin A illustrate the complexity of vitamin processing in the body. Vitamin A toxicity is also a good general model of vitamin neurotoxicity, because it shows the i …
The multiple enzymes and binding proteins involved in regeneration of retinal vitamin A illustrate the complexity of vitamin p …
Vitamin A physiology.
Roels OA. Roels OA. JAMA. 1970 Nov 9;214(6):1097-102. JAMA. 1970. PMID: 4920145 Review. No abstract available.
Hypercalcemia and vitamin A: A vitamin to keep in mind.
Borgan SM, Khan LZ, Makin V. Borgan SM, et al. Cleve Clin J Med. 2022 Feb 1;89(2):99-105. doi: 10.3949/ccjm.89a.21056. Cleve Clin J Med. 2022. PMID: 35105698 Free article. Review.
Vitamin A, like many things in life, should be consumed in appropriate amounts. Excessive intake of preformed vitamin A, such as that found in supplements and animal sources (animal liver, fish liver oil, dairy, and eggs), is associated w …
Vitamin A, like many things in life, should be consumed in appropriate amounts. Excessive intake of preformed vitamin …
Cod liver oil, vitamin A toxicity, frequent respiratory infections, and the vitamin D deficiency epidemic.
Cannell JJ, Vieth R, Willett W, Zasloff M, Hathcock JN, White JH, Tanumihardjo SA, Larson-Meyer DE, Bischoff-Ferrari HA, Lamberg-Allardt CJ, Lappe JM, Norman AW, Zittermann A, Whiting SJ, Grant WB, Hollis BW, Giovannucci E. Cannell JJ, et al. Ann Otol Rhinol Laryngol. 2008 Nov;117(11):864-70. doi: 10.1177/000348940811701112. Ann Otol Rhinol Laryngol. 2008. PMID: 19102134 Review. No abstract available.
Metabolism of retinol-binding protein and vitamin A during hypervitaminosis A in the rat.
Mallia AK, Smith JE, Goodman DW. Mallia AK, et al. J Lipid Res. 1975 May;16(3):180-8. J Lipid Res. 1975. PMID: 1127357 Free article.
Vitamin A is normally transported in plasma as retinol bound to a specific protein, retinol-binding protein (RBP). ...Plasma lipoproteins may nonspecificially deliver vitamin A to biological membranes and hence lead to vitamin A …
Vitamin A is normally transported in plasma as retinol bound to a specific protein, retinol-binding protein (RBP …
Vitamin A toxicity in a physical culturist patient: a case report and review of the literature.
Castaño G, Etchart C, Sookoian S. Castaño G, et al. Ann Hepatol. 2006 Oct-Dec;5(4):293-395. Ann Hepatol. 2006. PMID: 17151585 Free article. Review.
Excessive intake of vitamin A may produce acute or chronic toxicity. Vitamin A can be consumed in foods, fortified products and supplements. ...In conclusion, chronic vitamin A toxicity may produce severe liver damage …
Excessive intake of vitamin A may produce acute or chronic toxicity. Vitamin A can be consumed in foods, …
Effects of vitamin A and vitamin E on attenuation of titanium dioxide nanoparticles-induced toxicity in the liver of male Wistar rats.
Moradi A, Ziamajidi N, Ghafourikhosroshahi A, Abbasalipourkabir R. Moradi A, et al. Mol Biol Rep. 2019 Jun;46(3):2919-2932. doi: 10.1007/s11033-019-04752-4. Epub 2019 Mar 18. Mol Biol Rep. 2019. PMID: 30887259
This study was conducted to investigate the hepatoprotective effects of vitamin E and vitamin A against hepatotoxicity induced by NTiO(2) in rats. Thirty-six male Wistar rats were randomly divided into six groups of six rats each. ...Groups treated with vitamin E (1 …
This study was conducted to investigate the hepatoprotective effects of vitamin E and vitamin A against hepatotoxicity induced …
879 results