Food and Nutrition for Older Adults Promoting Health and Wellness

Regarding the development of A D, findings from studies of antioxi- dant intake below or above RDA levels are inconclusive. Further research is needed, given the risks of oversupplementation. (Fair, )

The results of one large trial (Age-Related Eye Disease Study) in the United States found a beneficial effect of beta-carotene, vitamin C, vitamin E, lutein, zeaxanthin, zinc, and copper supplementation on delaying progression of advanced AMD. However, studies published since that time reported inconclusive findings. Further research is needed, given the risks of over supplementation. (Fair, )