http://articles.mercola.com/sites/articles/archive/2000/12/31/vitamin-e-part-one.aspxMen with high blood levels of gamma-tocopherol, a form of vitamin E not usually found in vitamin supplements, have a reduced risk for prostate cancer. However, many vitamin E supplements contain only alpha tocopherol, which can actually lower levels ofenCommunityServer 2008.5 SP1 (Build: 31106.3070)