Antioxidant Supplements Do Not Improve Mortality and May Cause Harm - Cochrane for ...
Nov 1, 2008 - In randomized controlled trials of primary and secondary prevention, vitamins A and E, and beta-carotene supplementation increased mortality. Vitamin C and selenium supplementation had no significant effect on mortality.
American Family Physician : Cochrane for Clinicians
https://www.aafp.org/afp/2008/1101/p1079.html
Cochrane for Clinicians - Dec 1, 2004 - American Family Physician
Dec 1, 2004 - Combined evidence from two clinical trials of calcium supplementation lasting for several years revealed a reduced rate of recurrent colorectal adenoma. However, evidence is insufficient to recommend supplementation with dietary calcium for patients who have never had an adenoma.
American Family Physician : Cochrane for Clinicians
https://www.aafp.org/afp/2004/1201/p2109.html
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