A dietary supplement composition includes a synergistic combination of saffron and resveratrol for providing anti-oxidant and gene modulation effects for preventing, ameliorating and/or reducing a rate of development and progression of age-related macular degeneration (AMD). Optionally, the combination is supplemented with one or more further ingredients: fish oil, Zinc, Copper, vitamin C, vitamin E, lutein, zeaxanthin. The combination is beneficially provided as a composition which is useful for reducing a risk of developing, and/or for reducing a rate of progression of age-related macular degeneration, and/or for preventing age-related sight loss, and other age-related diseases.