However a 2009 study found that long - term supplementation with zinc was associated with a higher prostate cancer risk. (groundedorganic.com)
It is important that adequate resources are set aside for nutrition education, and are not all used up in short term supplementation. (rehydrate.org)
Those studies were short - term supplementation trials with high doses of vitamin C and in combination with vitamin E, whereas our findings are from habitual intakes of vitamin C from food sources. (academic.oup.com)