Home / Medications / Your prescription for actionable health newsMedicationsYour prescription for actionable health news Prograf Drugs Affected by Sunlight Average: 3.75 Sunlight activates the body’s stores of vitamin D, a vitamin shown to be beneficial to the immune system, bone health, and even in fighting cancer. New research shows that sunlight can also affect how the body deals with drugs. Related Topics: Patient Safety/Education Prograf News Read more Previous ArticleYour prescription for actionable health newsNext ArticleYour prescription for actionable health news