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Plea for New RDA for Vitamin C: Experts Call for Review of Recommended Dietary Allowance for Vitamin C

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Plea for New RDA for Vitamin C: Experts Call for Review of Recommended Dietary Allowance for Vitamin C
Provided by PR Newswire on 8/24/2004

Source: Health World Online

SAN DIMAS, Calif., Aug 24, 2004 /PRNewswire via COMTEX/ -- With newly published research reports showing that higher concentrations of vitamin C can be achieved in the blood plasma than previously thought possible, antioxidant researchers have penned their names to a plea for a scientific re-evaluation of the Recommended Dietary Allowance (RDA) for vitamin C.

A dozen prominent antioxidant researchers, authors, and clinicians say the prevalent belief that 200 milligrams of oral vitamin C, an amount that can be obtained by eating five servings of selected fresh fruits and vegetables, can saturate the blood plasma and additional amounts are excreted in the urine, has now been disproved. Two recently published papers indicate that blood plasma levels of ascorbic acid can be raised three times greater than a flawed 1996 study indicates. One of the published studies shows that blood plasma concentrations of vitamin C continue to rise with a single 1000 milligrams dose of supplemental vitamin C.

Drs. Steve Hickey and Hilary Roberts, pharmacology graduates of the University of Manchester in England assert the initial studies used to determine the blood plasma saturation point for vitamin C failed to calculate for the half life of this vitamin. In their newly published book, Drs. Hickey and Roberts show that the original calculations used to establish the RDA were performed 12 hours, or 24 half lives, after oral consumption of vitamin C and are therefore invalid. (Ascorbate: The Science of Vitamin C, 264 pages, referenced, ebook: http://www.lulu.com/ascorbate)

In addition to Drs. Hickey and Roberts, the list of researchers calling for a re-evaluation of the RDA for vitamin C includes: Thomas E. Levy M.D., J.D., author of Vitamin C, Infectious Diseases, and Toxins: Curing the Incurable (Philadelphia, PA: Xlibris Corporation; 2002); Robert F. Cathcart III, M.D., a practicing physician and advocate of high oral-dose vitamin C therapy; Richard Passwater Ph.D., antioxidant researcher and author of Supernutrition; Patrick Holford, London, author of the Optimum Nutrition Bible; Dr Archie Kalokerinos, M.D., Graduate Sydney University, Australia, author of Vitamin C: Nature's Miraculous Healing Missile; Joel M. Kaufman, Ph.D., Professor of Chemistry Emeritus, University of the Sciences in Philadelphia, special interest in medicinal chemistry; Professor Ian Brighthope, Managing Director, Nutrition Care Pharmaceuticals Pty Ltd, Australia; Hugh D. Riordan, M.D., Director -- Bio-Communications Research Institute, Wichita, Kansas; and Abram Hoffer, M.D., Ph.D., F.R.C.P., a practicing physician, advocate of nutritional medicine and editor of the Journal of Orthomolecular Medicine.

The written plea was sent to the Institutes of Medicine, Food & Nutrition Board, which establishes the Recommended Dietary Allowances for essential nutrients.

Contact:

Steve Hickey Ph.D., Metropolitan University of Manchester, England.

Co-author, Ascorbate, The Science of Vitamin C,

http://www.lulu.com/ascorbate, 2004.

ISBN 1-4116-0724-4 Telephone from USA: +011 44 161 962 5495

Contact in USA: Bill Sardi 909 596-9507

Knowledge of Health, Inc.

457 West Allen Avenue, #117

San Dimas, CA 91773

Phone: 909 596-9507

Fax: 909 596-9189

Email: bsardi@aol.com

This release was issued through eReleases(TM). For more information, visit http://www.ereleases.com.

SOURCE Knowledge of Health, Inc.

CONTACT: Steve Hickey Ph.D. of Metropolitan University of Manchester,

England, +011 44 161 962 5495; or Bill Sardi of Knowledge of Health, Inc.,

+1-909-596-9507, or fax, +1-909-596-9189, bsardi@aol.com

URL: http://www.ereleases.com

http://www.lulu.com/ascorbate http://www.prnewswire.com

Copyright (C) 2004 PR Newswire. All Rights Reserved.



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