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Increased intakes of vitamins C and E and beta-carotene may reduce the risk of cancer of the uterus, according to a new review and meta-analysis of the science to date. Writing in Cancer Causes and Control, US scientists report that for every 1,000 microgram increase per 1,000 kcal of diet of beta-carotene was associated with a 12 per cent reduction in the risk of endometrial cancer.

Antioxidants prevent health-promoting effects of physical exercise in humans. Ristow M, Zarse K, Oberbach A, Klöting N, Birringer M, Kiehntopf M, Stumvoll M, Kahn CR, Blüher M. Proc Natl Acad Sci U S A. 2009 May 26;106(21):8665-70. Epub 2009 May 11. PMID: 19433800 DOI: 10.1073/pnas.0903485106

The Linxian trials: mortality rates by vitamin-mineral intervention group. Blot WJ, Li JY, Taylor PR, Guo W, Dawsey SM, Li B. Am J Clin Nutr. 1995 Dec;62(6 Suppl):1424S-1426S. PMID: 7495242

You-Lin Qiao, Sanford M. Dawsey, Farin Kamangar, Jin-Hu Fan, Christian C. Abnet, Xiu-Di Sun, Laura Lee Johnson, Mitchell H. Gail, Zhi-Wei Dong, Binbing Yu, Steven D. Mark, and Philip R. Taylor. Total and Cancer Mortality After Supplementation With Vitamins and Minerals: Follow-up of the Linxian General Population Nutrition Intervention Trial. Journal of the National Cancer Institute, 2009 March 24; DOI: 10.1093/jnci/djp037

ScienceDaily (Mar. 24, 2009) - Individuals who took a dietary supplement called "factor D", which included selenium, vitamin E, and beta-carotene, continued to have lower gastric cancer and overall mortality 10 years after supplementation ceased compared with individuals who did not take the supplements, according to long-term follow-up data from the randomized, double-blind General Population Nutrition Intervention Trial in Linxian, China.

Fish oil and tocopherol-induced changes in natural killer cell-mediated cytotoxicity and PGE2 synthesis in young and old mice. Meydani SN, Yogeeswaran G, Liu S, Baskar S, Meydani M. J Nutr. 1988 Oct;118(10):1245-52. PMID: 3183771

Perez-Lopez FR.

Vieth R.Vitamin D supplementation, 25-hydroxyvitamin D concentrations, andsafety.Am J Clin Nutr. 1999 May;69(5):842-56. Review.PMID: 10232622 [PubMed - indexed for MEDLINE]

Antioxidant Supplementation in Atherosclerosis Prevention (ASAP) study: a randomized trial of the effect of vitamins E and C on 3-year progression of carotid atherosclerosis. Salonen JT, Nyyssönen K, Salonen R, Lakka HM, Kaikkonen J, Porkkala-Sarataho E, Voutilainen S, Lakka TA, Rissanen T, Leskinen L, Tuomainen TP, Valkonen VP, Ristonmaa U, Poulsen HE. J Intern Med. 2000 Nov;248(5):377-86. PMID: 11123502 DOI: 10.1046/j.1365-2796.2000.00752.x Conclusions. Our study shows that a combined supplementation with reasonable doses of both vitamin E and slow-release vitamin C can retard the progression of common carotid atherosclerosis in men. This may imply benefits with regard to other atherosclerosis-based events.

Six-year effect of combined vitamin C and E supplementation on atherosclerotic progression: the Antioxidant Supplementation in Atherosclerosis Prevention (ASAP) Study. Salonen RM, Nyyssönen K, Kaikkonen J, Porkkala-Sarataho E, Voutilainen S, Rissanen TH, Tuomainen TP, Valkonen VP, Ristonmaa U, Lakka HM, Vanharanta M, Salonen JT, Poulsen HE; Antioxidant Supplementation in Atherosclerosis Prevention Study. Circulation. 2003 Feb 25;107(7):947-53. PMID: 12600905 doi: 10.1161/01.CIR.0000050626.25057.51 Conclusions- These data replicate our 3-year findings confirming that the supplementation with combination of vitamin E and slow-release vitamin C slows down atherosclerotic progression in hypercholesterolemic persons.

Dietary supplementation with n-3 polyunsaturated fatty acids and vitamin E after myocardial infarction: results of the GISSI-Prevenzione trial. Gruppo Italiano per lo Studio della Sopravvivenza nell'Infarto miocardico. [No authors listed] Lancet. 1999 Aug 7;354(9177):447-55. Erratum in: Lancet 2001 Feb 24;357(9256):642. Lancet. 2007 Jan 13;369(9556):106. PMID: 10465168 Interpretation Dietary supplementation with n-3 PUFA led to a clinically important and satistically significant benefit. Vitamin E had no benefit. Its effects on fatal cardiovascular events require further exploration

A new formulation of the vitamin E extract tocotrienol could play a key role in treating cancerous tumors without harming healthy tissue. Tocotrienol has anti-cancer properties, but when given intravenously it has secondary effects on healthy tissue; now researchers in the UK have found that delivering the compound encapsulated in transferrin-bearing vesicles can shrink tumors without causing visible toxic effects.

Effect of coenzyme Q10 on risk of atherosclerosis in patients with recent myocardial infarction. Singh RB, Neki NS, Kartikey K, Pella D, Kumar A, Niaz MA, Thakur AS. Mol Cell Biochem. 2003 Apr;246(1-2):75-82. PMID: 12841346