Zinc Magnesium Aspartate is a combination of zinc, magnesium and Vitamin B6. Optimum Nutrition Zinc Magnesium Aspartate is designed to fill gaps in micronutrient intake, particularly for those with active lifestyles. Optimum Nutrition Zinc Magnesium Aspartate supports the breakdown and transport of nutrients, and helps convert food into cellular energy. Additionally, zinc provides immune support.