Despite the similarities in diet recommendations for athletes of all ages, masters athletes present with some unique concerns. Masters athletes should be aware that the Dietary Reference Intakes (DRIs) for vitamin D, calcium, and vitamin B6 increase after 50 years of age.14 Supplements of, or foods fortified with, folate and vitamin B12 may be necessary because of age-associated cognitive risks and reduced production of gastric acid needed for absorption, respectively.13,14 Other areas of nutrition research that have more complex findings and recommendations for masters athletes include: protein, vitamin D, and antioxidant intakes, which will be described in more detail in the following sections.13,14,16