Comments for An overdose of headlines at http://www.adamsmith.org , comment 1 to 2 out of 2 comments http://www.adamsmith.org Wed, 08 Oct 2008 09:14:53 +0100 FeedCreator 1.7.3 http://www.adamsmith.org/blog/health/an-overdose-of-headlines-200804181237/#comment-53 It has been long established that the fat soluble vitamins (A, D, E, K) accumulate in the body. It has long been established that intake of more than 50,000 IU per day of vitamin A is hepatotoxic and can be fatal. Every chemical has a dose that is toxic (yes, Virginia, foods and vitamins are mixtures of chemicals). Every chemical has a dose that is "safe" (there is no such thing as absolute safety). The Recommended Daily Allowances are designed to prevent deficiency diseases in the general population. Some people make kidney stones from high doses of vitamin C. Most folks simply excrete the excess and the metabolites from vitamin C.Beta Carotene is safer than vitamin A in that it is a precursor whose conversion into vitamin A saturates at a level short of known toxicity. - Charles D Quarles Sat, 19 Apr 2008 02:08:32 +0100 http://www.adamsmith.org/blog/health/an-overdose-of-headlines-200804181237/#comment-50 They got rid of all the trials that didn't involve double blind tests; - not one that showed no deaths - that was just the vitimin pill companies said. The group who did it also are pretty respected internationally - and whilst the stories were a little over exagerated - vitimin pills getting a bad press can't be a bad thing - since they are in essence a con. - Adam Fri, 18 Apr 2008 10:33:25 +0100