【基础医学】MichaelMooney.net.pdfVIP

MichaelM Research Review Analysis of Studies from the National Library of Medicine Number 6, April 2006 WHY I CREATE Vitamin A (Retinol) and Beta-Carotene RESEARCH REVIEWS Q: Is Vitamin A (retinol) toxic and therefore should not be supplemented? I am frequently asked about A: Vitamin A (retinol) is an essential nutrient and forms and dosages of is necessary for eye health, lung health, nutritional supplement immune health and for life itself. The lowest ingredients. toxic dosage levels that have been reported were more than seven times the Research Reviews provide Recommended Daily Allowance and these information to answer these high doses were taken over long periods of questions. time. Scientific references are cited Q: Can beta-carotene convert to Vitamin A in the and text from abstracts is included to provide research body well enough that it is not necessary to details. take supplemental Vitamin A as retinol? A: Studies show that millions of people do not I evaluate ingredient